path: root/.zsh/rc/30functions

#--------------------
# Functions 
#--------------------

# always /etc/rc.d/blub is a bit too much work ;)
rc() {
	sudo /etc/rc.d/$1 $2
}

# usefull if you have more machines and want to easily update the config here
update_zshrc() {
  old_pwd="$PWD"
  builtin cd "$HOME/.zsh" 
  wget http://flo.server-speed.net/stuff/dotfiles/zshrc -O $HOME/.zshrc
  wget http://flo.server-speed.net/stuff/dotfiles/zsh/filelist -O /tmp/zsh_filelist
  wget -B "http://flo.server-speed.net/stuff/dotfiles/zsh/" -i /tmp/zsh_filelist -x --cut-dirs=3 -nH
  rm /tmp/zsh_fileslist
  rm **/index.html
  builtin cd "$old_pwd"
  exec zsh
}

# add current time to a file
mbk() {
	mv -b "${1}" "$(echo $1 | sed "s/\./_`date +%Y-%m-%d_%T`./")"
}

# easily make backups 
bk() {
	cp -b "${1}" "$(echo $1 | sed "s/\./_`date +%Y-%m-%d_%T`./")"
}

# chpwd () => a function which is executed whenever the directory is changed
chpwd() {
  ls
}

# idea by Gigamo http://bbs.archlinux.org/viewtopic.php?pid=478094#p478094
ls () {
  /bin/ls -rlhbtF --color=auto $@ &&
  echo "${PURPLE}Files: ${BLUE}$(/bin/ls -l $@ | grep -v "^[l|d|total]" | wc -l) ${GREEN}--- ${PURPLE}Directories: ${BLUE}$(/bin/ls -l $@ | grep "^d" | wc -l)${NC}"
}

password() {
  if [ -z "$1" ]; then 
    count=8
  else
    count="$1"
  fi
  < /dev/urandom tr -dc A-Za-z0-9_ | head -c$count
}

# jump between directories
# Copyright 2005 Nikolai Weibull <nikolai@bitwi.se>
# notice: option AUTO_PUSHD has to be set
d(){
 emulate -L zsh
  autoload -U colors
  local color=$fg_bold[blue]
  integer i=0
  dirs -p | while read dir; do
    local num="${$(printf "%-4d " $i)/ /.}"
    printf " %s  $color%s$reset_color\n" $num $dir
    (( i++ ))
  done
  integer dir=-1
  read -r 'dir?Jump to directory: ' || return
  (( dir == -1 )) && return
  if (( dir < 0 || dir >= i )); then
    echo d: no such directory stack entry: $dir
    return 1
  fi
  cd ~$dir
}

# from the grml zshrc iirc
hglob() {
  echo -e "
      /      directories
      .      plain files
      @      symbolic links
      =      sockets
      p      named pipes (FIFOs)
      *      executable plain files (0100)
      %      device files (character or block special)
      %b     block special files
      %c     character special files
      r      owner-readable files (0400)
      w      owner-writable files (0200)
      x      owner-executable files (0100)
      A      group-readable files (0040)
      I      group-writable files (0020)
      E      group-executable files (0010)
      R      world-readable files (0004)
      W      world-writable files (0002)
      X      world-executable files (0001)
      s      setuid files (04000)
      S      setgid files (02000)
      t      files with the sticky bit (01000)
   print *(m-1)          # Dateien, die vor bis zu einem Tag modifiziert wurden.
   print *(a1)           # Dateien, auf die vor einem Tag zugegriffen wurde.
   print *(@)            # Nur Links
   print *(Lk+50)        # Dateien die ueber 50 Kilobytes grosz sind
   print *(Lk-50)        # Dateien die kleiner als 50 Kilobytes sind
   print **/*.c          # Alle *.c - Dateien unterhalb von \$PWD
   print **/*.c~file.c   # Alle *.c - Dateien, aber nicht 'file.c'
   print (foo|bar).*     # Alle Dateien mit 'foo' und / oder 'bar' am Anfang
   print *~*.*           # Nur Dateien ohne '.' in Namen
   chmod 644 *(.^x)      # make all non-executable files publically readable
   print -l *(.c|.h)     # Nur Dateien mit dem Suffix '.c' und / oder '.h'
   print **/*(g:users:)  # Alle Dateien/Verzeichnisse der Gruppe >users<
   echo /proc/*/cwd(:h:t:s/self//) # Analog zu >ps ax | awk '{print $1}'<"
}

# let vim highlight any file for us and save it as html
2html() {
  vim -n -c ':syntax on' -c ':so $VIMRUNTIME/syntax/2html.vim' -c ':wqa' $1 > /dev/null 2> /dev/null
}

# download any package's PKGBUILD and go into that dir
yd(){
  pbget --aur $1 
  builtin cd $1 
}

# some script to make this damn agent work easier
if [ "x$DISPLAY" != "x" ]; then
  source ${HOME}/bin/gpg-agent.sh
fi

# yeah I know you shouldn't use it...
google(){
	firefox "http://www.google.com/search?&num=100&q=$*" &
	disown firefox
}

# swaps 2 files
swap() {
  if [ "$1" = "" ] || [ "$2" = "" ] || [ "$1" = "-h" ]; then 
    echo -e "${blue}Usage:$NC swap <file> <file>";
    echo -e "Swaps files";
    return 1
  fi
  if [ -f $1 ] && [ -f $2 ]; then
    local TMPFILE=tmp.$$
    mv "$1" $TMPFILE
    mv "$2" "$1"
    mv $TMPFILE "$2"
  else
    echo -e "${RED}Error:$NC One or more files don't exist"
    return 1  
  fi
}

# get your internal and external IPs
# also found somewhere on the net
my_ip() {
  MY_IP=$(/sbin/ifconfig eth0 | awk '/inet/ { print $2 } ' | \
    sed -e s/addr://)
  MY_ISP=$(curl www.wieistmeineip.de | awk '(/[0-9]?[0-9]?[0-9]\.[0-9]?[0-9]?[0-9]\.[0-9]?[0-9]?[0-9]\.[0-9]?[0-9]?[0-9]/) {print}' | awk 'gsub(/[>||<]/," ")' | awk '{print $3}')
}

ii() {
  echo -e "\nUser ${RED}"${USER:-"N/A"}"$NC on "${RED}${HOST:-"N/A"}"$NC" 
  echo -e "\n${RED}Additionnal information:$NC " ; uname -a
  echo -e "\n${RED}Users logged on:$NC " ; w -h
  echo -e "\n${RED}Current date:$NC " ; date
  echo -e "\n${RED}Machine stats:$NC " ; uptime
  echo -e "\n${RED}Memory stats:$NC " ; free
  my_ip 2>&- ;
  echo -e "\n${RED}Local IP Address:$NC" ; echo ${MY_IP:-"N/A"}
  echo -e "\n${RED}ISP Address:$NC" ; echo ${MY_ISP:-"N/A"}
  echo
}

# short info to display when opening a new shell
short_ii() {
  echo -e "\nUser ${RED}"${USER:-"N/A"}"$NC on "${RED}${HOST:-"N/A"}"$NC" 
  echo -e "\n${RED}Machine stats:$NC " ; uptime
  echo
}

# actually it converts any mp4 or flv to mp3...
youtube2mp3() {
	for file in "$@"
	do 
   	if [ -f "${file}" ] ; then
			title=$(echo ${file} | sed 's/\(.*\)\..*/\1/')
      case $(file -b --mime-type "${file}") in
				video/mp4)
					faad "${file}" &&
					lame "${title}.wav" "${title}.mp3" &&
					rm "${title}.wav" 
				;;
				video/x-flv)
					ffmpeg -i "${file}" -vn -acodec copy "${title}.mp3"
				;;
				*)
					echo -e "${RED}Error:$NC No rule how to convert \"${file}\""
				;;
			esac
		else
      echo -e "${RED}Error:$NC \"${file}\" doesn't exist"
    fi
	done
}