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# cdfunc - example completion function for cd
#
# based on the cd completion function from the bash_completion package
#
# Chet Ramey <chet.ramey@case.edu>
#
# 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
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