zsh: move includes to XDG compliant locations

.config/zsh/{functions,includes}/*:
Move functions and includes to XDG compliant locations.

.zshrc:
Include functions and other includes from XDG compliant locations.
Remove use of prepend-sudo function.

10 files changed, 1230 insertions, 0 deletions

diff --git a/.config/zsh/includes/aliases.zsh b/.config/zsh/includes/aliases.zsh
new file mode 100644
index 0000000..20a055f
--- /dev/null
+++ b/.config/zsh/includes/aliases.zsh
@@ -0,0 +1,276 @@
+# < ZSH ALIASES
+# suffix aliases
+alias -s pdf='mupdf'
+alias -s ps='mupdf'
+alias -s jpg='feh'
+alias -s png='feh'
+alias -s gif='viewnior'
+alias -s gz='tar xvfz'
+alias -s tgz='tar xvfz'
+alias -s bz2='tar xvfj'
+alias -s tbz='tar xvfj'
+alias -s tlz='tar --lzma -xvf'
+alias -s rar='unrar x'
+alias -s tex='mkpdf'
+
+# global aliases
+alias -g ...='../..'
+alias -g ....='../../..'
+alias -g .....='../../../..'
+alias -g C='| wc -l'
+alias -g H='| head'
+alias -g L="| less"
+alias -g N="| /dev/null"
+alias -g S='| sort'
+alias -g G='| grep'
+
+# ls
+alias ls='ls --group-directories-first --color=auto'
+alias ll="ls -lh"
+alias la="ls -a"
+alias lal="ls -alhv"
+alias lt='ls -tr'
+alias ll='ls -l'
+alias llh='ls -lh'
+alias llt='ls -ltr'
+alias la='ls -A'
+alias lla='ls -lA'
+alias lsfw='ls -lah /dev|grep fw'
+alias lsvid='ls -lah /dev|grep video'
+
+#zsh
+
+# Lists the ten most used commands.
+alias history-stat="history 0 | awk '{print \$2}' | sort | uniq -c | sort -n -r | head"
+
+alias d='dirs -v'
+for index ({1..9}) alias "$index"="cd +${index}"; unset index
+
+#MPLAYER
+alias mplayer='mplayer -ao jack,pulse,alsa'
+if pgrep Xwayland > /dev/null; then
+  alias mpv='mpv --audio-channels=stereo --gpu-context=wayland -ao=jack,pulse,alsa --sub-auto=fuzzy --jack-port="minimixer:in1_*"'
+else
+  alias mpv='mpv --audio-channels=stereo -ao=jack,pulse,alsa --sub-auto=fuzzy --jack-port="minimixer:in1_*"'
+fi
+if [[ "$VENDOR" == "apple" ]]; then
+  alias mpv='mpv --sub-auto=fuzzy'
+fi
+##DU
+alias du1='du -hd1'
+
+##FEH
+alias feh='feh -Z -g 1920x1200 -b "black" -S "filename"'
+
+##GIT
+alias gsi='git submodule update --init --recursive'
+alias gsu='git submodule update --recursive'
+
+##TREE
+alias tree='tree -aC'
+#grep aliases (with excluded directories)
+alias grepdot='grep -rI --exclude-dir=".steam" --exclude-dir=".local" --exclude-dir=".thunderbird" --exclude-dir=".mozilla" --exclude-dir="git" --exclude-dir=".rvm" --exclude-dir=".log" --exclude-dir=".dropbox-dist" --exclude-dir=".config" '
+
+
+##SYSTEMD
+#tree
+alias psc='ps xawf -eo pid,user,cgroup,args'
+alias treeg='tree -d /cgroup/systemd/'
+alias sdptree='tree -aC /usr/lib/systemd/'
+alias sdstree='tree -aC /etc/systemd/'
+alias sdutree='tree -aC $HOME/.config/systemd/'
+#journalctl
+alias sdsj='sudo journalctl --system -a' #show the entire system journal
+alias sdsjf='sudo journalctl --system -af' #follow all system messages
+alias sdsjb='sudo journalctl --system -ab' #Show system messages from specific boot
+alias sdsjbf='sudo journalctl --system -ab -f' #follow only messages from this boot
+alias sdsju='sudo journalctl --system -af -u' #follow messages of only the specified unit
+alias sdsjk='journalctl -k' #show dmesg
+alias sdsjkb='journalctl -kb' #show dmesg from specific boot
+alias sdsjkf='journalctl -kf' #follow current dmesg
+alias sdsjlb='journalctl --list-boots' #list all boots
+alias sdsjp='sudo journalctl --system _PID='  #show all messages of specified system process (PID)
+alias sdjgrep='sudo journalctl -an1000 |grep ' #Use a grep command to search through journal
+alias sduj='journalctl --user -a'
+alias sdujf='journalctl --user -af'
+alias sdujb='journalctl --user -ab'
+alias sdujbf='journalctl --user -afb'
+alias sdujb='journalctl --user -ab'
+alias sdujp='journalctl --user _PID='  #show all messages of specified user process (PID)
+#systemd system services
+alias sdsedit='sudo systemctl edit'
+alias sdsstart='sudo systemctl start'
+alias sdsstop='sudo systemctl stop'
+alias sdsrestart='sudo systemctl restart'
+alias sdsreload='sudo systemctl reload'
+alias sdsenable='sudo systemctl enable'
+alias sdsdisable='sudo systemctl disable'
+alias sdsreenable='sudo systemctl reenable'
+alias sdsisactive='sudo systemctl is-active'
+alias sdsisenabled='sudo systemctl is-enabled'
+alias sdsstat='sudo systemctl status -a -l'
+alias sdswants='sudo systemctl show -p "Wants"'
+alias sdswantedby='sudo systemctl show -p "WantedBy"'
+alias sdsrequires='sudo systemctl show -p "Requires"'
+alias sdsrequiredby='sudo systemctl show -p "RequiredBy"'
+alias sdsconflicts='sudo systemctl show -p "Conflicts"'
+alias sdsconflictedby='sudo systemctl show -p "ConflictedBy"'
+alias sdsbefore='sudo systemctl show -p "Before"'
+alias sdsafter='sudo systemctl show -p "After"'
+alias sdst='sudo systemctl --system list-timers'
+alias sdss='sudo systemctl --system list-sockets'
+alias sdsu='sudo systemctl --system list-units'
+alias sdsuf='sudo systemctl --system list-unit-files'
+alias sdsdep='sudo systemctl --system list-dependencies'
+alias sdscat='systemctl --system cat'
+alias sdsreload='sudo systemctl daemon-reload'
+alias sds='sudo systemctl -a'
+alias sdsfail='sudo systemctl -a -l --no-legend --state=failed'
+alias sdsmask='sudo systemctl mask'
+alias sdsunmask='sudo systemctl unmask'
+#systemd user services
+alias sduedit='systemctl --user edit'
+alias sdustart='systemctl --user start'
+alias sdustop='systemctl --user stop'
+alias sdurestart='systemctl --user restart'
+alias sdureload='systemctl --user reload'
+alias sduenable='systemctl --user enable'
+alias sdudisable='systemctl --user disable'
+alias sdureenable='systemctl --user reenable'
+alias sduisactive='systemctl --user is-active'
+alias sduisenabled='systemctl --user is-enabled'
+alias sdustat='systemctl --user status -a -l'
+alias sduwants='systemctl --user show -p "Wants"'
+alias sduwantedby='systemctl --user show -p "WantedBy"'
+alias sdurequires='systemctl --user show -p "Requires"'
+alias sdurequiredby='systemctl --user show -p "RequiredBy"'
+alias sduconflicts='systemctl --user show -p "Conflicts"'
+alias sduconflictedby='systemctl --user show -p "ConflictedBy"'
+alias sdubefore='systemctl --user show -p "Before"'
+alias sduafter='systemctl --user show -p "After"'
+alias sdut='systemctl --user list-timers'
+alias sdus='systemctl --user list-sockets'
+alias sduu='systemctl --user list-units'
+alias sdudep='systemctl --user list-dependencies'
+alias sducat='systemctl --user cat'
+alias sdureload='systemctl --user daemon-reload'
+#alias sdu='systemctl --user'
+alias sdufail='systemctl --user -a -l --no-legend --state=failed'
+alias sdumask='systemctl --user mask'
+alias sduunmask='systemctl --user unmask'
+#poweroff/reboot/isolate
+alias sdiso='sudo systemctl isolate '
+alias sdreboot='sudo systemctl reboot'
+alias sdpoweroff='sudo systemctl poweroff'
+alias sdsuspend='sudo systemctl suspend'
+#systemd bootchart
+alias sda='systemd-analyze'
+alias sdab='systemd-analyze blame'
+if [ -x /usr/bin/xsvg ]; then
+  alias sdap='xsvg $HOME/cloud/photos/systemd/sdap-$HOST.svg'
+fi
+
+##PACMAN
+alias paclid="sudo pacman -Qi | sed '/^Depends On/,/^Required By/{ s/^Required By.*$//; H; d }; /^Name/!d; /^Name/{ n;x;}'| sed '/^$/s//==================================================================================/'"
+alias pacsize="pacman -Qi | awk '/^Name/ {pkg=\$3} /Size/ {print \$4\$5,pkg}' | sort -n"  #Show all packages by size
+alias pacall="sudo pacman -Qi | awk '/^Name/ {pkg=\$3} /Version/ {ver=\$3} /Size/ {size=\$4\$5} {print pkg,ver,size}' | uniq"  #All packages uniquely with name, version, size
+alias pacup='sudo pacman -Syu'  #Synchronize with repositories before upgrading packages that are out of date on the local system.
+alias pac='sudo pacman -S'  #Install specific package(s) from the repositories
+alias pacu='sudo pacman -U'  #Install specific package not from the repositories but from a file 
+alias pacre='sudo pacman -R'  #Remove the specified package(s), retaining its configuration(s) and required dependencies
+alias pacrem='sudo pacman -Rns'  #Remove specified package(s), its configuration(s) and unneeded depends
+alias pacname="sudo pacman -Qi|grep Name|grep "  #Search through names of packages by string
+alias pacri='pacman -Si'  #Display information about a given package in the repositories
+alias pacrs='pacman -Ss'  #Search for package(s) in the repositories
+alias pacli='pacman -Qi'  #Display information about a given package in the local database
+alias pacls='pacman -Qs'  #Search for package(s) in the local database
+alias pacorph='sudo pacman -Qdt'  #Search for orphan packages
+alias paclal='pacman -Ql'  #List installed files of a given package
+alias pacg='pacman -Sg'  #List all groups or all packages in specified group
+alias pacclean='sudo pacman -Sc'  #Remove all packages from local repository, not installed atm, remove all unused repos
+alias pacconf='sudo find /etc -type f \( -name "*.pacsave" -o -name "*.pacnew" \)'  #Search for .pacnew and .pacsave files
+alias pacown='sudo pacman -Qo'  # Find out what package a give file belongs to
+alias pacupd='sudo pacman -Sy && sudo abs'  #Update and refresh the local package and ABS databases against repositories
+alias pacdep='sudo pacman -S --asdeps'  #Install given package(s) as dependencies of another package
+alias pacmir='sudo pacman -Syy'  #Force refresh of all package lists after updating /etc/pacman.d/mirrorlist
+alias packup='comm -23 <(pacman -Qeq|sort) <(pacman -Qmq|sort) > $HOME/Dropbox/sync/archlinux/pkglist-$HOST'  #Backup the current list of non-local packages
+alias pacret='sudo pacman -S $(< $HOME/Dropbox/sync/archlinux/pkglist-$HOST)'  #Install from the backup list
+alias pacredown='sudo pacman -S $(comm -23 <(pacman -Qeq) <(pacman -Qmq))'  #Redownload all installed packages (minus AUR)
+alias pacdis='sudo pacman-disowned > /tmp/$USERNAME/non-pkg-$HOST'  #Getting a list of files not owned by any package
+alias packimp='sudo pacman-key -r '  #Import a key ID to the pacman keyring
+alias packsign='sudo pacman-key --lsign-key '  #Sign a key ID after importing it to the keyring
+alias packref='sudo pacman-key --refresh-keys'  #Refresh the list of master keys
+
+##YAOURT
+alias yaup='yaourt -Syu --devel --aur'  #Updates all locally installed repository, AUR and git packages
+alias yadb='yaourt -B $HOME/ownCloud/backup/settings/'  #Backs up the yaourt database
+
+##XCLIP
+alias cpx="xclip -selection clipboard -display :0"
+
+##CD
+alias cd.sds="cd /etc/systemd/system"
+alias cd.sdp="cd /usr/lib/systemd/system"
+alias cd.courses="cd $HOME/ownCloud/documents/university/tu-berlin/courses"
+alias cd.backup="cd $HOME/ownCloud/backup"
+alias cd.scpref="cd $HOME/.config/SuperCollider"
+
+##OCTAVE
+#alias octave="octave --silent --braindead --force-gui"
+alias octave="octave --force-gui"
+
+##MATLAB
+alias matlabc="matlab -nodesktop -nosplash"
+
+##NMCLI
+alias nmup="sudo nmcli con up id"
+alias nmdown="sudo nmcli con down id"
+alias nmstat="sudo nmcli con show --active"
+alias nmlist="sudo nmcli con list"
+alias nmdev="sudo nmcli dev"
+
+#SSH
+alias ssh.add="ssh-add $HOME/.ssh/id_{rsa{,_tu},ed25519{,_aur,_github,_holoplot}}"
+alias ssh.new='ssh-keygen -t ed25519 -C "$(whoami)@$(hostname)-$(date -I)"'
+if [ $VENDOR = "apple" ]; then
+  # apple's date is broken
+  alias ssh.new='ssh-keygen -t ed25519 -C "$(whoami)@$(hostname)-$(date +%Y-%m-%d)"'
+fi
+alias pool='ssh pool -Y'
+alias sshtunnel="ssh -ND 44350 -v -p 46399 dave@frqb.zapto.org" # tunnel through home
+alias frqtun="ssh -ND 44350 -v frq"
+alias scp=scp
+
+#KEYCHAIN
+alias keyflush="keychain --clear && keychain -k mine"
+
+#PULSEAUDIO
+alias pak='pulseaudio --kill'
+alias pas='pulseaudio --start'
+alias paflush='pax11publish -r'
+alias bthp="pactl load-module module-bluetooth-device address='00:1B:66:01:6C:D1'"  #load bluetooth headphone module for pulseaudio
+
+#PYTHON
+alias pyserv='python -m http.server' # start a python http server
+
+# VDIRSYNCER
+alias vsync="vdirsyncer sync"
+
+#WOL
+alias woldave_in='wol -i homey 00:15:f2:e0:e0:c6'  #wake up homey
+alias woldave_ex='wol -p X -i frqb.zapto.org 00:15:f2:e0:e0:c6'  #wake up homey via
+
+## OVERRIDES
+# Colorize grep output
+alias grep='grep --color=auto --exclude-dir=.git'
+alias psgrep='ps aux | grep -v "grep"| grep $1'
+alias greptodo='grep -R "TODO" .'
+alias exit="clear; exit"
+alias du='du -h'
+alias .='source'
+
+
+## HELP
+alias helpdd='echo dd if=bla | pv -s 10M | dd of=blob'
+
+# ZSH ALIASES >
diff --git a/.config/zsh/includes/apt b/.config/zsh/includes/apt
new file mode 100644
index 0000000..e1942cf
--- /dev/null
+++ b/.config/zsh/includes/apt
@@ -0,0 +1,37 @@
+#TODO: add pacman to apt-get conversion for all pacman aliases
+alias paclid="sudo pacman -Qi | sed '/^Depends On/,/^Required By/{ s/^Required By.*$//; H; d }; /^Name/!d; /^Name/{ n;x;}'| sed '/^$/s//==================================================================================/'"
+alias pacsize="pacman -Qi | awk '/^Name/ {pkg=\$3} /Size/ {print \$4\$5,pkg}' | sort -n"	#All packages by size
+alias pacall="sudo pacman -Qi | awk '/^Name/ {pkg=\$3} /Version/ {ver=\$3} /Size/ {size=\$4\$5} {print pkg,ver,size}' | uniq"	#All packages uniquely with name, version, size
+#alias pacremorph='sudo pacman -Rs $(pacman -Qtdq)'	#Remove all orphaned packages
+alias pacup='sudo apt-get update && sudo apt-get upgrade' #'sudo pacman -Syu'	# Synchronize with repositories before upgrading packages that are out of date on the local system.
+alias pac='sudo apt-get install ' #'sudo pacman -S'	# Install specific package(s) from the repositories
+alias pacu='sudo pacman -U'	# Install specific package not from the repositories but from a file 
+alias pacre='sudo apt-get remove '  #'sudo pacman -R'	# Remove the specified package(s), retaining its configuration(s) and required ##dependencies
+alias pacrem='sudo apt-get purge '  #'sudo pacman -Rns'	# Remove specified package(s), its configuration(s) and unneeded depends
+alias pacsearch="pacman -Sl | cut -d' ' -f2 | grep "	# Search through all available packages in repo
+#alias pacname='dpkg -l|grep Name|grep '  #'sudo pacman -Qi|grep Name|grep ' #Search through names of packages by string
+alias pacri='sudo apt-get update && sudo apt-cache show '  #'pacman -Si'	# Display information about a given package in the repositories
+alias pacrs='sudo apt-get update && sudo apt-cache search '  #'pacman -Ss'	# Search for package(s) in the repositories
+alias pacli='dpkg -l ' #'pacman -Qi'	# Display information about a given package in the local database
+alias pacls='dpkg -l|grep '  #'pacman -Qs'	# Search for package(s) in the local database
+alias pacorph='sudo pacman -Qdt'	# Search for orphan packages
+alias paclal='dpkg -L' #'sudo pacman -Ql'	# List installed files of a given package
+alias pacg='pacman -Sg'	#List all groups or all packages in specified group
+alias pacclean='sudo pacman -Sc'	# Remove all packages from local repository, not installed atm, remove all unused repos
+alias pacconf='sudo find /etc -name "*.pac*" -type f -print'	# Search for .pacnew and .pacsave files
+alias pacfile='dpkg -S ' #'sudo pacman -Qo'	# Find out what package a give file belongs to
+alias pacupd='sudo apt-get update'  #'sudo pacman -Sy && sudo abs'     # Update and refresh the local package and ABS databases against repositories
+alias pacdep='sudo pacman -S --asdeps'        # Install given package(s) as dependencies of another package
+alias pacmir='sudo pacman -Syy'                # Force refresh of all package lists after updating /etc/pacman.d/mirrorlist
+alias packup='comm -23 <(pacman -Qeq|sort) <(pacman -Qmq|sort) > $HOME/Dropbox/sync/archlinux/pkglist-$HOST' # Backup the current list of non-local packages
+alias pacret='sudo pacman -S $(< $HOME/Dropbox/sync/archlinux/pkglist-$HOST)' # Install from the backup list
+alias pacredown='sudo pacman -S $(comm -23 <(pacman -Qeq) <(pacman -Qmq))' # Redownload all installed packages (minus AUR)
+alias pacdis='rm -f $HOME/Dropbox/sync/archlinux/non-pkg-$HOST; sudo pacman-disowned > $HOME/Dropbox/sync/archlinux/non-pkg-$HOST' # Getting a list of files not owned by any package
+alias packimp='sudo pacman-key -r '	#Import a key ID to the pacman keyring
+alias packsign='sudo pacman-key --lsign-key '	#Sign a key ID after importing it to the keyring
+alias packref='sudo pacman-key --refresh-keys'	#Refresh the list of master keys
+
+##Yaourt aliases
+alias yaup='yaourt -Syu --devel --aur'          # Updates all locally installed repository, AUR and git packages
+alias yadb='yaourt -B $HOME/Dropbox/sync/archlinux'            # Backs up the yaourt database
+alias ya='sudo apt-get -t testing install '  # Install packages from AUR/Testing
diff --git a/.config/zsh/includes/export.zsh b/.config/zsh/includes/export.zsh
new file mode 100644
index 0000000..59eb186
--- /dev/null
+++ b/.config/zsh/includes/export.zsh
@@ -0,0 +1,102 @@
+if [[ -n $TMUX ]] && [[ $VENDOR != "apple" ]] && [[ ! -e /etc/debian_version ]]; then
+  export TERM="screen-256color"
+elif [[ -n $STY ]];then
+  export TERM="screen-256color"
+else
+  export TERM="xterm-256color"
+fi
+
+
+available_locale=$(locale -a|tr '\n' ' ')
+if [ "${available_locale#*en_DK.utf8}" != "$available_locale" ]; then
+    export LC_TIME="en_DK.UTF-8"
+elif [ "${available_locale#*en_DK.UTF-8}" != "$available_locale" ]; then
+    export LC_TIME="en_DK.UTF-8"
+fi
+if [ "${available_locale#*de_DE.utf8}" != "$available_locale" ]; then
+    export LC_MONETARY="de_DE.UTF-8"
+elif [ "${available_locale#*de_DE.UTF-8}" != "$available_locale" ]; then
+    export LC_MONETARY="de_DE.UTF-8"
+fi
+if [ "${available_locale#*en_US.utf8}" != "$available_locale" ]; then
+    export LANG="en_US.UTF-8"
+elif [ "${available_locale#*en_US.UTF-8}" != "$available_locale" ]; then
+    export LANG="en_US.UTF-8"
+fi
+if [ "${available_locale#*en_US.utf8}" != "$available_locale" ] ; then
+    export LC_CTYPE="en_US.UTF-8"
+elif [ "${available_locale#*en_US.UTF-8}" != "$available_locale" ]; then
+    export LC_CTYPE="en_US.UTF-8"
+fi
+
+# keyboard exports for sway
+export XKB_DEFAULT_LAYOUT=de
+
+# browser
+export BROWSER=firefox
+export REPORTTIME=5
+
+# systemd
+export SYSTEMD_EDITOR=vim
+
+# editor
+export EDITOR=vim
+export VISUAL=vim
+
+# if vimpager is installed, use it instead of less
+if [[ -x /usr/bin/vimpager ]];then
+  export PAGER="vimpager"
+else
+  export PAGER="less -j4"
+fi
+
+export GREP_COLOR="1;33"
+
+# let RVM ignore global ruby
+export rvm_ignore_gemrc_issues=1
+
+# Java
+# font settings/ renderings
+export _JAVA_OPTIONS='-Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel -Dawt.useSystemAAFontSettings=on -Dswing.aatext=true'
+# non-reparenting windows
+export _JAVA_AWT_WM_NONREPARENTING=1
+
+# pipenv environment variables:
+# - disabling fancy shell stuff
+# - creating virtualenv within each project
+# - moving cache dir to build volume
+export PIPENV_NOSPIN="true"
+export PIPENV_COLORBLIND="true"
+export PIPENV_HIDE_EMOJIS="true"
+export PIPENV_VENV_IN_PROJECT="true"
+#export PIPENV_CACHE_DIR="$HOME/.cache/pipenv"
+
+# brew
+if command -v brew > /dev/null; then
+  export HOMEBREW_NO_ANALYTICS="true"
+  export HOMEBREW_NO_AUTO_UPDATE="true"
+  export HOMEBREW_NO_EMOJI="true"
+fi
+
+# GnuPG
+export GPG_TTY=$TTY
+export GPG_AGENT_INFO=""
+
+# ssh-agent
+if [[ $UID -ne 0 ]] && [[ $VENDOR != "apple" ]];then
+  export SSH_AUTH_SOCK="$XDG_RUNTIME_DIR/ssh-agent.socket"
+fi
+
+# tmux
+if [[ $UID -ne 0 ]] && [[ $VENDOR != "apple" ]]; then
+  export TMUX_TMPDIR="$XDG_RUNTIME_DIR/"
+else
+  export TMUX_TMPDIR="/tmp"
+fi
+
+# zsh
+if [[ $UID -eq 0 ]]; then
+  export TMOUT=360
+  readonly TMOUT
+  export TMOUT
+fi
diff --git a/.config/zsh/includes/frqrec b/.config/zsh/includes/frqrec
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/.config/zsh/includes/frqrec
diff --git a/.config/zsh/includes/functions.zsh b/.config/zsh/includes/functions.zsh
new file mode 100644
index 0000000..7a87bee
--- /dev/null
+++ b/.config/zsh/includes/functions.zsh
@@ -0,0 +1,398 @@
+# < FUNCTIONS
+
+## PDF/LATEX
+  function mkpdf()
+  {
+    pdflatex -shell-escape  $1
+    # latex --output-format=pdf $1
+    name=`echo $1 | sed 's/.tex//'`
+    EXT=(aux log)
+    for i in $EXT;
+    do
+      rm -v $name.$i
+    done
+  }
+
+  function gsmerge()
+  {
+    target=$1
+    echo "target: $target"
+    sleep 1
+    shift
+
+    /usr/bin/gs \
+      -sDEVICE=pdfwrite \
+      -dCompatibilityLevel=1.4 \
+      -dNOPAUSE \
+      -dBATCH \
+      -sPAPERSIZE=a4 \
+      -sOUTPUTFILE=$target $*
+  }
+
+  function gsmerge_medium()
+  {
+    target=$1
+    echo "target: $target"
+    sleep 1
+    shift
+
+    /usr/bin/gs \
+      -sDEVICE=pdfwrite \
+      -dPDFSETTINGS=/ebook \
+      -dCompatibilityLevel=1.4 \
+      -dNOPAUSE \
+      -dBATCH \
+      -sPAPERSIZE=a4 \
+      -sOutputFile=$target $*
+  }
+
+## USABILITY
+  function lvim()
+  {
+    noglob vim $(echo $1 | awk -F":" '{ print $1" +"$2  }' )
+  }
+
+  function mkcd()
+  {
+    mkdir $1
+    cd $1
+  }
+
+  function cpwd()
+  {
+    pwd >! /tmp/pwd
+  }
+
+  function ppwd()
+  {
+    cd "`cat /tmp/pwd`"
+  }
+
+  function cp2wd()
+  {
+    cp $@ "`cat /tmp/pwd`"
+  }
+  function cpmk() {
+    DIR=${*: -1}
+    [ ! -d $DIR ] && mkdir -p $DIR
+    cp $*
+
+  }
+
+  cpmd5(){
+    md5sum $1|cut -d ' ' -f 1|cpx
+  }
+
+
+function publish() {
+  [ -f $1 ] || return
+
+  DIR=`dirname $1`
+  FILE=`basename $1`
+  mute pushd $DIR
+  scp $FILE pool:public_html/
+  echo "http://www-pool.math.tu-berlin.de/~runge/$FILE"
+  echo "http://www-pool.math.tu-berlin.de/~runge/$FILE"|cpx
+  mute popd
+}
+
+function incognichrome {
+  chromium --incognito
+}
+
+function inproxychrome {
+  chromium --incognito --proxy-server=apu-serve:8123 --user-data-dir="$HOME/.config/chromium-proxy"
+}
+
+## ZSH
+refresh() {
+  source $HOME/.zshrc
+}
+
+
+## compress stuff
+tar_tgz() {
+  tar cvfz $1.tgz $1
+}
+tar_tbz() {
+  tar cvfj $1.tbz $1
+}
+tar_tlz() {
+  tar --lzma -cvf $1.tlz $1
+}
+tar_xz() {
+  tar cvfJ $1.tar.xz $1
+}
+
+#Decompress any given compressed file
+ex() {
+  if [ -f $1 ] ; then
+    case $1 in
+      *.tar.bz2)
+        tar xvjf $1
+        ;;
+      *.tar.gz)
+        tar xvzf $1
+        ;;
+      *.tar.lz)
+        tar xvf $1
+        ;;
+      *.bz2)
+        bunzip2 $1
+        ;;
+      *.deb)
+        ar vx $1
+        ;;
+      *.rar)
+        unrar x $1
+        ;;
+      *.pgp)
+        gpg -o ${1%".pgp"} -d $1
+        ;;
+      *.gpg)
+        gpg -o ${1%".gpg"} -d $1
+        ;;
+      *.asc)
+        gpg -o ${1%".asc"} -d $1
+        ;;
+      *.gz)
+        gunzip $1
+        ;;
+      *.tar)
+        tar xvf $1
+        ;;
+      *.tbz2)
+        tar xvjf $1
+        ;;
+      *.tgz)
+        tar xvzf $1
+        ;;
+      *.whl)
+        unzip "$1"
+        ;;
+      *.xz)
+        tar xvJf $1
+        ;;
+      *.zip)
+        unzip $1
+        ;;
+      *.zst)
+        tar --zstd -xvf $1 --force-local
+        ;;
+      *.Z)
+        uncompress $1
+        ;;
+      *.7z)
+        7z x $1
+        ;;
+      *)
+        echo "Don't know how to extract '$1'..." 
+        ;;
+    esac
+  else
+    echo "'$1' is not a valid file to extract!"
+  fi
+}
+
+ex2() {
+  if [ -f $2 ] ;then
+    echo "Extracting to '$2'"
+    local out = $2
+  else
+    echo "Extracting to '$( pwd )'"
+    local out = $( pwd )
+  fi
+  if [ -f $1 ] ;then
+    echo "'$1'"
+  else
+    echo "'$1' is not a valid file!"
+  fi
+}
+
+lstar() {
+  if [ -f "$1" ] ; then
+    case "$1" in
+      *.deb)
+        ar -tv "$1"
+        ;;
+      *.bz2)
+        tar -tvf "$1" --force-local
+        ;;
+      *.gz)
+        tar -tvf "$1" --force-local
+        ;;
+      *.lz)
+        tar -tvf "$1" --force-local
+        ;;
+      *.rar)
+        unrar lb "$1"
+        ;;
+      *.tar)
+        tar -tvf "$1" --force-local
+        ;;
+      *.tbz2)
+        tar -tvf "$1" --force-local
+        ;;
+      *.tgz)
+        tar -tvf "$1" --force-local
+        ;;
+      *.whl)
+        unzip -l "$1"
+        ;;
+      *.xz)
+        tar -Jtvf "$1" --force-local
+        ;;
+      *.zip)
+        unzip -l "$1"
+        ;;
+      *.Z)
+        uncompress $1
+        ;;
+      *.7z)
+        7z l "$1"
+        ;;
+      *.zst)
+        tar --zstd -tvf "$1" --force-local
+        ;;
+      *)
+        echo "Don't know how to look into $1"
+        exit 1
+        ;;
+    esac
+  else
+    echo "'$1' is not a file!"
+    exit 1
+  fi
+}
+
+## RSYNC
+
+backupinfo() {
+  rsync\
+    -r\
+    -n\
+    -t\
+    -p\
+    -o\
+    -h\
+    -g\
+    -v\
+    --progress\
+    --delete\
+    --ignore-existing\
+    --size-only\
+    -s\
+    --exclude 'lost+found'\
+    --exclude '.Trash-1000'\
+    --exclude '$RECYCLEBIN'\
+    --exclude 'System Volume Information'\
+    --exclude '.thumbs'\
+    $1 $2
+  echo "backupfolder path/to/folder/ /path/to/other/folder"
+}
+
+backupfolder() {
+  rsync \
+    -r\
+    -t\
+    -p\
+    -o\
+    -h\
+    -g\
+    -v\
+    --progress\
+    --delete --ignore-existing --size-only -s --exclude 'lost+found' --exclude '.Trash-1000' --exclude '$RECYCLEBIN' --exclude 'System Volume Information' --exclude '.thumbs' $1 $2
+}
+
+# journalctl
+
+# show messages of specified system units
+function sdsjfu(){
+  local journal_cmd="sudo journalctl --system -a"
+  eval ${journal_cmd} $(echo $@ | sed 's/\ /\ -u\ /g; s/^/\ -u\ /')
+}
+
+# follow messages of specified system units
+function sdsjfu(){
+  local journal_cmd="sudo journalctl --system -af"
+  eval ${journal_cmd} $(echo $@ | sed 's/\ /\ -u\ /g; s/^/\ -u\ /')
+}
+
+# follow messages of specified system units for this boot
+function sdsjbfu(){
+  local journal_cmd="sudo journalctl --system -b -af"
+  eval ${journal_cmd} $(echo $@ | sed 's/\ /\ -u\ /g; s/^/\ -u\ /')
+}
+
+# follow messages of specified user units
+function sdujfu(){
+  local journal_cmd="journalctl --user -af"
+  eval ${journal_cmd} $(echo $@ | sed 's/\ /\ --user-unit\ /g; s/^/\ --user-unit\ /')
+}
+
+# follow messages of specified user units for this boot
+function sdujbu(){
+  local journal_cmd="journalctl --user -a -b"
+  #TODO: Check if first argument is a number, then use it for -b
+  eval ${journal_cmd} $(echo $@ | sed 's/\ /\ --user-unit\ /g')
+}
+
+# show messages of specified system units since and until a specified time
+function sdsjSUu(){
+  local journal_cmd="sudo journalctl --system -a -S"
+  local args=(${@})
+  journal_cmd="$journal_cmd $args[1] -U $args[2]"
+  args=(${args:2})
+  eval ${journal_cmd} $(echo $args | sed 's/\ /\ -u\ /g; s/^/\ -u\ /')
+}
+
+# show messages of specified system units since a specified time
+function sdsjSu(){
+  local journal_cmd="sudo journalctl --system -a -S"
+  local args=(${@})
+  journal_cmd="$journal_cmd $args[1]"
+  args=(${args:1})
+  eval ${journal_cmd} $(echo $args | sed 's/\ /\ -u\ /g; s/^/\ -u\ /')
+}
+
+# show messages of specified user units since and until a specified time
+function sdujSUu(){
+  local journal_cmd="journalctl --user -a -S"
+  local args=(${@})
+  journal_cmd="$journal_cmd $args[1] -U $args[2]"
+  args=(${args:2})
+  eval ${journal_cmd} $(echo $args | sed 's/\ /\ --user-unit\ /g; s/^/\ --user-unit\ /')
+}
+
+# show messages of specified user units since a specified time
+function sdujSu(){
+  local journal_cmd="journalctl --user -a -S"
+  local args=(${@})
+  journal_cmd="$journal_cmd $args[1]"
+  args=(${args:1})
+  eval ${journal_cmd} $(echo $args | sed 's/\ /\ --user-unit\ /g; s/^/\ --user-unit\ /')
+}
+
+# show kernel messages since and until a specified time
+function sdsjkSU(){
+  local journal_cmd="sudo journalctl --system -a -k -S"
+  local args=(${@})
+  journal_cmd="$journal_cmd $args[1] -U $args[2]"
+  eval ${journal_cmd}
+}
+
+# show kernel messages since a specified time
+function sdsjkS(){
+  local journal_cmd="sudo journalctl --system -a -k -S"
+  local args=(${@})
+  journal_cmd="$journal_cmd $args[1]"
+  eval ${journal_cmd}
+}
+
+
+function pasters() {
+  local file="${1:-/dev/stdin}"
+  curl --data-binary @"${file}" https://paste.rs
+}
+
+# FUNCTIONS >
diff --git a/.config/zsh/includes/hostspecific.zsh b/.config/zsh/includes/hostspecific.zsh
new file mode 100644
index 0000000..20d569b
--- /dev/null
+++ b/.config/zsh/includes/hostspecific.zsh
@@ -0,0 +1,6 @@
+case "${HOST}" in
+  s4|s5|c{1,2}*)
+    . $HOME/.zsh.after/apt
+    . $HOME/.zsh.after/unixpool
+  ;;
+esac
diff --git a/.config/zsh/includes/key-bindings.zsh b/.config/zsh/includes/key-bindings.zsh
new file mode 100644
index 0000000..300b3c7
--- /dev/null
+++ b/.config/zsh/includes/key-bindings.zsh
@@ -0,0 +1,22 @@
+## OVERRIDE KEY-BINDINGS
+bindkey -s '\e,' '..\n'                             # [Esc-,] - run command: .. (up directory)
+bindkey '\e.' insert-last-word                      # [Esc-.] - insert last word
+#bindkey '^[Oc' forward-word                         # [Ctrl-RightArrow] - move forward one word
+#bindkey '^[OC' forward-word                         # [Ctrl-RightArrow] - move forward one word
+#bindkey '^[Od' backward-word                        # [Ctrl-LeftArrow] - move backward one word
+#bindkey '^[OD' backward-word                        # [Ctrl-LeftArrow] - move backward one word
+
+## URXVT & TMUX
+case $TERM in
+  rxvt-unicode-256color)
+    bindkey '^[Oc' forward-word       # [Ctrl-RightArrow] - move forward one word
+    bindkey '^[Od' backward-word      # [Ctrl-LeftArrow]  - move backward one word
+  ;;
+  screen-256color)
+    bindkey '^[[1;5C' forward-word       # [Ctrl-RightArrow] - tmux: move forward one word
+    bindkey '^[[1;5D' backward-word      # [Ctrl-LeftArrow]  - tmux: move backward one word
+  ;;
+esac
+
+## NEW KEY-BINDINGS
+bindkey '^K' kill-line
diff --git a/.config/zsh/includes/path.zsh b/.config/zsh/includes/path.zsh
new file mode 100644
index 0000000..21e36e6
--- /dev/null
+++ b/.config/zsh/includes/path.zsh
@@ -0,0 +1,19 @@
+# cargo
+[ -d "${HOME}/.cargo/bin" ] && PATH="${HOME}/.cargo/bin:${PATH}"
+# pyenv
+[ -d "${HOME}/.local/bin" ] && PATH="${HOME}/.local/bin:${PATH}"
+[ -d "${HOME}/.pyenv/shims" ] && PATH="${HOME}/.pyenv/shims:${PATH}"
+# RPi
+[ -d "/opt/vc/bin" ] && PATH="${PATH}:/opt/vc/bin"
+[ -d "/opt/vc/sbin" ] && PATH="${PATH}:/opt/vc/sbin"
+# user bin
+[ -d "${HOME}/bin" ] && PATH="${HOME}/bin:${PATH}"
+# Debilian
+[ -d "/usr/sbin" ] && [ ! -L "/usr/sbin" ] && PATH="${PATH}:/usr/sbin"
+# whackOS
+[ -d "/usr/local/opt/coreutils/libexec/gnubin" ] && PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"
+[ -d "/usr/local/opt/gnu-sed/libexec/gnubin" ] && PATH="/usr/local/opt/gnu-sed/libexec/gnubin:$PATH"
+[ -d "/usr/local/opt/gnu-tar/libexec/gnubin" ] && PATH="/usr/local/opt/gnu-tar/libexec/gnubin:$PATH"
+[ -d "/usr/local/opt/gnu-which/libexec/gnubin" ] && PATH="/usr/local/opt/gnu-which/libexec/gnubin:$PATH"
+[ -d "/usr/local/opt/findutils/libexec/gnubin" ] && PATH="/usr/local/opt/findutils/libexec/gnubin:$PATH"
+[ -d "/usr/local/opt/grep/libexec/gnubin" ] && PATH="/usr/local/opt/grep/libexec/gnubin:$PATH"
diff --git a/.config/zsh/includes/udisks.zsh b/.config/zsh/includes/udisks.zsh
new file mode 100644
index 0000000..3478aea
--- /dev/null
+++ b/.config/zsh/includes/udisks.zsh
@@ -0,0 +1,245 @@
+# EXAMPLES:
+# - mounting devices
+#    sdm sdb1       // mount first partition on sdb
+#    sdm sdb 1      // mount first partition on sdb
+#    sdm sdb        // mount all available partitions on sdb
+#    sdm            // mount all available devices
+#    mcm mmcblk0p1  // mount first partition on mmcblk0
+#    mcm mmcblk0 1  // mount first partition on mmcblk0
+#    mcm mmcblk0    // mount all partitions on mmcblk0
+#    mcm            // mount all partitions on all mmcblk devices
+#    srm 0          // mount first optical drive
+#    srm            // mount all optical drives
+#
+# - unmounting devices
+#    sdu sdb1       // unmount first partition on sdb
+#    sdu sdb 1      // unmount first partition on sdb
+#    sdu sdb        // unmount all available partitions on sdb
+#    sdu            // unmount all available devices
+#    mcu mmcblk0p1  // unmount first partition on mmcblk0
+#    mcu mmcblk0 1  // unmount first partition on mmcblk0
+#    mcu mmcblk0    // unmount all partitions on mmcblk0
+#    mcu            // unmount all partitions on all mmcblk devices
+#    sru 0          // unmount first optical drive
+#    sru            // unmount all optical drives
+#
+
+# mount commands:
+mount="udisksctl mount -b"
+unmount="udisksctl unmount -b"
+
+# Path to all devices
+folder="/dev/"
+
+# Devices of the form /dev/sd{b,c,d,e,f,g,h,i,j,k,l,m,n}
+# path
+dev="/dev/sd"
+# Device numbers/names
+devices=( b c d e f g h i j k l m n )
+# Partition numbers
+device_partitions=( 1 2 3 4 5 6 7 8 9 )
+
+# Devices of the form /dev/mmcblk{0,1,2,3,4,5,6,7,8,9}p{1,2,3,4,5,6,7,8,9}
+# path
+mmc="/dev/mmcblk"
+# Device numbers/names
+mmc_devices=( 0 )
+# Partition numbers
+mmc_partitions=( p1 p2 p3 p4 p5 p6 p7 p8 p9 )
+
+# Devices of the form /dev/sr{0,1,2}
+# path
+optical="/dev/sr"
+# Device numbers/names
+optical_devices=( 0 1 2 )
+
+# device functions:
+sdm() {
+  if [[ -n "$2" ]]; then # if 2nd argument is set
+    if [[ "$1" = ?d* ]]; then # check if 1st argument features the letter d
+      if [[ -b $folder$1$2 ]]; then # check if block device $1$2 is available
+        $=mount $folder$1$2
+      fi
+    fi
+  elif [[ -n "$1" ]]; then # if 1st argument is set
+    if [[ "$1" = ?d* ]]; then # check if 1st argument featurs a letter d
+      if [[ -b $folder$1"1" ]]; then #check if first device is available
+          for a in $device_partitions; do # loop through device partitions of first argument
+            echo "$folder$1$a"
+            if [[ -b $folder$1$a ]]; then # checking for each device if available and block device
+              $=mount "$folder$1$a"
+            fi
+          done
+      else
+        echo "Trying to mount: $folder$1"
+        if [[ -b $folder$1 ]]; then # check if 1st argument already is the block device to mount
+          $=mount $folder$1
+        fi
+      fi
+    fi
+  else # here we loop all available block devices and mount them
+    # TODO: check with df if the device is already mounted
+    for a in $devices; do # loop through the list of all devices
+      if [[ -b $dev$a ]]; then # check if first partition of block device is available
+        for b in $device_partitions; do # loop through the list of all partitions
+          if [[ -b $dev$a$b ]]; then # if it's a block device
+            echo "Trying to mount: $dev$a$b"
+            $=mount "$dev$a$b"
+          fi
+        done
+      fi
+    done
+  fi
+}
+
+sdu() {
+  if [[ -n "$2" ]]; then
+    if [[ "$1" = ?d* ]]; then
+      if [[ -b $folder$1$2 ]]; then
+        echo "Trying to unmount: $folder$1$2"
+        $=unmount $folder$1$2
+      fi
+    fi
+  elif [[ -n "$1" ]]; then
+    if [[ "$1" = ?d* ]]; then
+      if [[ -b $folder$1"1" ]]; then
+          for a in $device_partitions; do
+            if [[ -b $folder$1$a ]]; then # checking for each device if available and block device
+              echo "Trying to unmount: $folder$1$a"
+              $=unmount $folder$1$a
+            fi
+          done
+      else
+        if  [[ -b $folder$1 ]]; then
+          echo "Trying to unmount: $folder$1"
+          $=unmount $folder$1
+        fi
+      fi
+    fi
+  else # unmount all devices mounted
+    for a in $devices; do
+      if [[ -b $dev$a ]]; then
+        for b in $device_partitions; do
+          if [[ -b $dev$a$b ]]; then # if it's a block device
+            echo "Trying to unmount: $dev$a$b"
+            $=unmount $dev$a$b
+          fi
+        done
+      fi
+    done
+  fi
+}
+
+# mmc functions:
+mcm() {
+  if [[ -n "$2" ]]; then
+    if [[ "$1" = mmcblk* ]]; then
+      if [[ -b $folder$1"p"$2 ]]; then
+        echo "Trying to mount: $folder$1"p"$2"
+        $=mount $folder$1"p"$2
+      fi
+    fi
+  elif [[ -n "$1" ]]; then
+    if [[ "$1" = mmcblk* ]]; then
+      if [[ -b $folder$1"p1" ]]; then
+          for a in $mmc_partitions; do
+            if [[ -b $folder$1$a ]]; then
+              echo "Trying to mount: $folder$1$a"
+              $=mount $folder$1$a
+            fi
+          done
+      else
+        if  [[ -b $folder$1 ]]; then
+          echo "Trying to mount: $folder$1"
+          $=mount $folder$1
+        fi
+      fi
+    fi
+  else
+    for a in $mmc_devices; do
+      if [[ -b $mmc$a"p1" ]]; then
+        for b in $mmc_partitions; do
+          if [[ -b $mmc$a$b ]]; then # if it's a block device
+            echo "Trying to mount: $mmc$a$b"
+            $=mount $mmc$a$b
+          fi
+        done
+      fi
+    done
+  fi
+}
+
+mcu() {
+  if [[ -n "$2" ]]; then
+    if [[ "$1" = mmcblk* ]]; then
+      if [[ -b $folder$1"p"$2 ]]; then
+        echo "Trying to unmount: $folder$1"p"$2"
+        $=unmount $folder$1"p"$2
+      fi
+    fi
+  elif [[ -n "$1" ]]; then
+    if [[ "$1" = mmcblk* ]]; then
+      if [[ -b $folder$1"p1" ]]; then
+          for a in $mmc_partitions; do
+            echo "Trying to unmount: $folder$1$a"
+            $=unmount $folder$1$a
+          done
+      else
+        if [[ -b $folder$1 ]]; then
+          echo "Trying to unmount: $folder$1"
+          $=unmount $folder$1
+        fi
+      fi
+    fi
+  else
+    for a in $mmc_devices; do
+      if [[ -b "$mmc$a${mmc_partitions[0]}" ]]; then
+        echo $mmc$a${mmc_partitions[0]}
+        for b in $mmc_partitions; do
+          if [[ -b $mmc$a$b ]]; then # if it's a block device
+            echo "Trying to unmount: $mmc$a$b"
+            $=unmount $mmc$a$b
+          fi
+        done
+      fi
+    done
+  fi
+}
+
+# sr functions:
+srm() {
+  if [[ -n "$1" ]]; then
+    if [[ "$1" = ? ]]; then
+      if [[ -b $optical$1 ]]; then
+        echo "Trying to mount: $optical$1"
+        $=mount $optical$1
+      fi
+    fi
+  else
+    for a in $optical_devices; do
+      if [[ -b $optical$a ]]; then
+        echo "Trying to mount: $optical$a"
+        $=mount $optical$a
+      fi
+    done
+  fi
+}
+
+sru() {
+  if [[ -n "$1" ]]; then
+    if [[ "$1" = ? ]]; then
+      if [[ -b $optical$1 ]]; then
+        echo "Trying to unmount: $optical$1"
+        $=unmount $optical$1
+      fi
+    fi
+  else
+    for a in $optical_devices; do
+      if [[ -b $optical$a ]]; then
+        echo "Trying to unmount: $optical$a"
+        $=unmount $optical$a
+      fi
+    done
+  fi
+}
+
diff --git a/.config/zsh/includes/unixpool b/.config/zsh/includes/unixpool
new file mode 100644
index 0000000..e2edade
--- /dev/null
+++ b/.config/zsh/includes/unixpool
@@ -0,0 +1,125 @@
+# host based zshrc
+# unixpool
+
+HISTFILE=$HOME/.zhistory
+unset MAILCHECK
+
+## PATH and exports
+PATH=${PATH}:/net/local64/bin
+PATH=${PATH}:/net/adm/bin
+PATH=${PATH}:/net/adm/scripts
+PATH=${PATH}:/net/adm/xadm
+PATH=${PATH}:/homes/wheel/wheel/bin
+PATH=${PATH}:/sbin
+PATH=${PATH}:/usr/sbin
+#PATH=/store/s4/android/android-sdk-linux_86/tools:$PATH
+#PATH=/store/s4/android/android-sdk-linux_86/platform-tools:$PATH
+
+#Remove /usr/bin/X11: if it shows up in $PATH
+autoload -U regexp-replace
+regexp-replace PATH '/usr/bin/X11:' ''
+
+export MATLAB_JAVA=/usr/lib/jvm/java-6-sun-1.6.0.26/jre 
+
+## aliases
+alias lp_ps1_100='lp -q 100 -d ps1'
+alias lp_ps2_100='lp -q 100 -d ps2'
+alias QW='xterm -geometry 84x41-0+0 -T '\''QWatch'\'' -fn 5x8 -e /homes/misc/lpviewer/lpdisp'
+alias QWbig='xterm -geometry 84x41-0+0 -T '\''QWatch'\'' -e /homes/misc/lpviewer/lpdisp'
+alias QWbighere='/homes/misc/lpviewer/lpdisp'
+alias QWdisplay="watch 'for n in {1..3}; do scli -c \"show printer display\" ps\$n-pool; done'"
+#alias pyadm="/net/adm/pyadm-64ready/start.py"
+alias synergys='synergys -c .config/synergy-$HOST.conf'
+
+# set pulseaudio server to s4
+if [ -f "`which pax11publish`" ];
+then
+  if [ ! $SSH_CLIENT ];
+  then
+    if [ `pax11publish | grep -c s4` -eq 0 ];
+    then
+      echo pulseaudio server set
+      pax11publish -S s4 -e
+    else
+      echo pulseaudio active
+    fi
+  fi
+fi
+
+
+## FUNCTIONS
+function music_update() {
+  echo "updating zip files"
+  for i in */*; 
+  do
+    name=`echo $i | sed 's/\ /_/g' | sed 's/\//-/g'`
+    if [ ! -e $name.zip ]; 
+    then 
+      echo "packing $i as $name.zip"
+      zip -r $name.zip $i
+    fi
+  done
+  echo "done"
+}
+
+function makantine() {
+  wget http://personalkantine.personalabteilung.tu-berlin.de/pdf/MA-aktuell.pdf -O /tmp/makantine.$$.pdf >&/dev/null
+  xpdf -cont -z page /tmp/makantine.$$.pdf
+  rm -f /tmp/makantine.$$.pdf
+}
+
+function pxeln() {
+  local instmode host oldumask bopts="" isrc=""
+  while [ -n "$1" ]; do
+    if [[ "$1" == -o* ]]; then
+      [ -z "$bopts" ] && bopts="bootopts=${1:2}" || bopts="${bopts},${1:2}";
+    else
+      if [ -z "$instmode" ]; then instmode="$1";
+      elif [ -z "$host" ]; then host="$1";
+      else echo "Ignoring superfluous argument \"$1\".";
+      fi
+    fi
+
+    shift
+  done
+  if [[ -z "$instmode" || -z "$host" ]]; then
+    echo -e "Missing argument!\nSyntax:  pxeln {mode} {host}\n(use tab completion for available modes)" >/dev/stderr
+    return 1
+  fi
+  local IP=$(egrep "^[^,]*,${host}," /net/adm/access/HWlist |cut -d, -f1|cut -d. -f4)
+  local M="01-$(egrep " $IP " /net/adm/access/MAClist 2>/dev/null|sed -e "s/^|[^|]*| \([0-9a-f:]*\) |/\1/" -e "y/:/-/")"
+  if [[ ${#M} -ne 20 ]]; then
+    echo "Unknown host." >/dev/stderr
+    return 1
+  fi
+  shift 2
+  oldumask=$(umask -p)
+  umask 0022
+  local instmodetl=$(tr [:upper:] [:lower:]<<<$instmode)
+  if [ -s /homes/ext15a/tftpboot/pxelinux.cfg/${instmode}.sed ]; then
+    if [ -e /homes/ext15a/tftpboot/pxelinux.cfg/$M ]; then
+      rm -f /homes/ext15a/tftpboot/pxelinux.cfg/$M
+      echo "$host: former PXE diversion removed."
+    fi
+    sed /homes/ext15a/tftpboot/pxelinux.cfg/_template \
+      -f /homes/ext15a/tftpboot/pxelinux.cfg/${instmode}.sed \
+      > /homes/ext15a/tftpboot/pxelinux.cfg/$M
+    echo -n "$host: elected for ${instmode}"
+    if [ -n "$bopts" ]; then
+      sed -i -e "/bootmode=${instmodetl}/ s/$/ ${bopts}/" /homes/ext15a/tftpboot/pxelinux.cfg/$M
+      echo -n " (with extra boot options: \"$bopts\")"
+    fi
+    echo "."
+  elif [ "$instmode" == "remove" ]; then
+    rm -f /homes/ext15a/tftpboot/pxelinux.cfg/$M
+    echo "$host: PXE diversion removed."
+  else
+    echo "Unknown PXE mode." >/dev/stderr
+  fi
+  $oldumask
+  return 0
+}
+
+function mailhighscore() {
+  for i in /homes/wheel/*; do n=`basename $i`; echo `grep $n /var/spool/mail/runge | grep -c From` $n; done | sort -nr
+}