gtShell-为你常用的目录建立标签并快速跳转

#! /bin/bash  DIRS="$HOME/.gtDirs" if test ! -e $DIRS then  touch $DIRS fi  gt () {  case $1 in  -d)  temp=`mktemp -t .gtDirs-XXXXXX`  sed "/^$2=/"d $DIRS > $temp  mv $temp $DIRS  rm -f $temp  ;;  -a)  validate_bookmark_name "$@"  if [ -z "$result" ]; then  CURDIR=$PWD  echo "$2=$CURDIR" >> $DIRS  fi  ;;  -l)  cat $DIRS  ;;  -h)  print_usage  ;;  *)  if [ -z $1 ]; then  print_usage  elif [[ ! -z `awk -F '=' '/^'"$1"'=/ {print $2 }' $DIRS` ]]; then  cd `awk -F '=' '/^'"$1"'=/ {print $2 }' $DIRS`  else  echo 'error: bookmark name not found'   fi   esac }  #validate names function validate_bookmark_name {  result=""  if [ -z $2 ]; then  result='error: bookmark name required!'  echo $result  elif [ -z `echo $2 | sed 's/[^A-Za-z0-9_]//g' ` ]; then  result='error: bookmark name is invalid!'  echo $result  fi  }  function print_usage {  echo 'Usage:'  echo '-a  - Saves the current directory as "bookmark_name"'  echo '-d  - Deletes the bookmark'  echo '-l - Lists all available bookmarks'  echo '-h(-help,--help) - Lists usage'  echo ' - Jump to the bookmark' }  function _l {  awk -F '=' ' {print $1} ' $DIRS }   function _comp {  local curw  COMPREPLY=()  curw=${COMP_WORDS[COMP_CWORD]}  COMPREPLY=($(compgen -W '`_l`' -- $curw))  return 0 }  # ZSH completion command function _compzsh {  reply=($(_l)) }   if [ $ZSH_VERSION ]; then  compctl -K _compzsh gt else  shopt -s progcomp  complete -F _comp gt fi 

current_user:~$ cd sourcecode/study/ current_user:~/sourcecode/study$ gt -a study current_user:~/sourcecode/study$ cd ~ current_user:~$ gt study current_user:~/sourcecode/study$ gt -l goAgent=/Users/twer/sourcecode/goagent/goagent-goagent-9c1edd3/local octopress=/Users/twer/sourcecode/octopress goShell=/Users/twer/sourcecode/shell/goShell study=/Users/twer/sourcecode/study 

current_user:~/sourcecode/study$ gt -d study current_user:~/sourcecode/study$ gt -l goAgent=/Users/twer/sourcecode/goagent/goagent-goagent-9c1edd3/local octopress=/Users/twer/sourcecode/octopress goShell=/Users/twer/sourcecode/shell/goShell 

current_user:~/sourcecode/study$ gt -h Usage: -a  - Saves the current directory as "bookmark_name" -d  - Deletes the bookmark -l - Lists all available bookmarks -h(-help,--help) - Lists usage  - Jump to the bookmark 

current_user:~/sourcecode/study$ gt go goAgent goShell current_user:~/sourcecode/study$ gt goShell