# cdfunc - example completion function for cd # # based on the cd completion function from the bash_completion package # # Chet Ramey # # Copyright 2011 Chester Ramey # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # TThis program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. _comp_cd() { local IFS=$' \t\n' # normalize IFS local cur _skipdot _cdpath local i j k # Tilde expansion, with side effect of expanding tilde to full pathname case "$2" in \~*) eval cur="$2" ;; *) cur=$2 ;; esac # no cdpath or absolute pathname -- straight directory completion if [[ -z "${CDPATH:-}" ]] || [[ "$cur" == @(./*|../*|/*) ]]; then # compgen prints paths one per line; could also use while loop IFS=$'\n' COMPREPLY=( $(compgen -d -- "$cur") ) IFS=$' \t\n' # CDPATH+directories in the current directory if not in CDPATH else IFS=$'\n' _skipdot=false # preprocess CDPATH to convert null directory names to . _cdpath=${CDPATH/#:/.:} _cdpath=${_cdpath//::/:.:} _cdpath=${_cdpath/%:/:.} for i in ${_cdpath//:/$'\n'}; do if [[ $i -ef . ]]; then _skipdot=true; fi k="${#COMPREPLY[@]}" for j in $( compgen -d -- "$i/$cur" ); do COMPREPLY[k++]=${j#$i/} # cut off directory done done $_skipdot || COMPREPLY+=( $(compgen -d -- "$cur") ) IFS=$' \t\n' fi # variable names if appropriate shell option set and no completions if shopt -q cdable_vars && [[ ${#COMPREPLY[@]} -eq 0 ]]; then COMPREPLY=( $(compgen -v -- "$cur") ) fi # append slash to passed directory name that is the only completion. # readline will not do this if we complete from CDPATH if [[ ${#COMPREPLY[@]} -eq 1 ]]; then i=${COMPREPLY[0]} # shorthand if [[ "$cur" == "$i" ]] && [[ "$i" != "*/" ]]; then COMPREPLY[0]+=/ fi fi return 0 } complete -o filenames -o nospace -o bashdefault -F _comp_cd cd