/usr/share/doc/bash/examples/complete/complete-examples is in bash-doc 4.3-14ubuntu1.2.
This file is owned by root:root, with mode 0o644.
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# Completion examples
#
# Chet Ramey <chet.ramey@case.edu>
#
# Copyright 2002 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.
#
# This encapsulates the default bash completion code
# call with the word to be completed as $1
#
# Since programmable completion does not use the bash default completions
# or the readline default of filename completion when the compspec does
# not generate any matches, this may be used as a `last resort' in a
# completion function to mimic the default bash completion behavior.
#
_bash_def_completion ()
{
local h t
COMPREPLY=()
# command substitution
if [[ "$1" == \$\(* ]]; then
t=${1#??}
COMPREPLY=( $(compgen -c -P '$(' $t) )
fi
# variables with a leading `${'
if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == \$\{* ]]; then
t=${1#??}
COMPREPLY=( $(compgen -v -P '${' -S '}' $t) )
fi
# variables with a leading `$'
if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == \$* ]]; then
t=${1#?}
COMPREPLY=( $(compgen -v -P '$' $t ) )
fi
# username expansion
if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == ~* ]] && [[ "$1" != */* ]]; then
t=${1#?}
COMPREPLY=( $( compgen -u -P '~' $t ) )
fi
# hostname
if [ ${#COMPREPLY[@]} -eq 0 ] && [[ "$1" == *@* ]]; then
h=${1%%@*}
t=${1#*@}
COMPREPLY=( $( compgen -A hostname -P "${h}@" $t ) )
fi
# glob pattern
if [ ${#COMPREPLY[@]} -eq 0 ]; then
# sh-style glob pattern
if [[ $1 == *[*?[]* ]]; then
COMPREPLY=( $( compgen -G "$1" ) )
# ksh-style extended glob pattern - must be complete
elif shopt -q extglob && [[ $1 == *[?*+\!@]\(*\)* ]]; then
COMPREPLY=( $( compgen -G "$1" ) )
fi
fi
# final default is filename completion
if [ ${#COMPREPLY[@]} -eq 0 ]; then
COMPREPLY=( $(compgen -f "$1" ) )
fi
}
#
# Return 1 if $1 appears to contain a redirection operator. Handles backslash
# quoting (barely).
#
_redir_op()
{
case "$1" in
*\\'[\<\>]'*) return 1;;
*[\<\>]*) return 0;;
*) return 1;;
esac
}
# _redir_test tests the current word ($1) and the previous word ($2) for
# redirection operators and does filename completion on the current word
# if either one contains a redirection operator
_redir_test()
{
if _redir_op "$1" ; then
COMPREPLY=( $( compgen -f "$1" ) )
return 0
elif _redir_op "$2" ; then
COMPREPLY=( $( compgen -f "$1" ) )
return 0
fi
return 1
}
# optional, but without this you can't use extended glob patterns
shopt -s extglob
#
# Easy ones for the shell builtins
#
# nothing for: alias, break, continue, dirs, echo, eval, exit, getopts,
# let, logout, popd, printf, pwd, return, shift, suspend, test, times,
# umask
#
complete -f -- . source
complete -A enabled builtin
complete -d cd
# this isn't exactly right yet -- needs to skip shell functions and
# do $PATH lookup (or do compgen -c and filter out matches that also
# appear in compgen -A function)
complete -c command
# could add -S '=', but that currently screws up because readline appends
# a space unconditionally
complete -v export local readonly
complete -A helptopic help # currently same as builtins
complete -d pushd
complete -A shopt shopt
complete -c type
complete -a unalias
complete -v unset
#
# Job control builtins: fg, bg, disown, kill, wait
# kill not done yet
#
complete -A stopped -P '%' bg
complete -j -P '%' fg jobs disown
# this is not quite right at this point
_wait_func ()
{
local cur
cur=${COMP_WORDS[COMP_CWORD]}
case "$cur" in
%*) COMPREPLY=( $(compgen -A running -P '%' ${cur#?} ) ) ;;
[0-9]*) COMPREPLY=( $(jobs -p | grep ^${cur}) ) ;;
*) COMPREPLY=( $(compgen -A running -P '%') $(jobs -p) )
;;
esac
}
complete -F _wait_func wait
#
# more complicated things, several as yet unimplemented
#
#complete -F _bind_func bind
_declare_func()
{
local cur prev nflag opts
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
COMPREPLY=()
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-a -f -F -i -p -r -t -x)
return 0;
fi
if [[ $cur == '+' ]]; then
COMPREPLY=(+i +t +x)
return 0;
fi
if [[ $prev == '-p' ]]; then
COMPREPLY=( $(compgen -v $cur) )
return 0;
fi
return 1
}
complete -F _declare_func declare typeset
_enable_func()
{
local cur prev nflag opts
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
COMPREPLY=()
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-a -d -f -n -p -s)
return 0;
fi
if [[ $prev == '-f' ]]; then
COMPREPLY=( $( compgen -f $cur ) )
return 0;
fi
for opts in "${COMP_WORDS[@]}" ; do
if [[ $opts == -*n* ]]; then nflag=1; fi
done
if [ -z "$nflag" ] ; then
COMPREPLY=( $( compgen -A enabled $cur ) )
else
COMPREPLY=( $( compgen -A disabled $cur ) )
fi
return 0;
}
complete -F _enable_func enable
_exec_func()
{
local cur prev
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-a -c -l)
return 0;
fi
if [[ $prev != -*a* ]]; then
COMPREPLY=( $( compgen -c $cur ) )
return 0
fi
return 1;
}
complete -F _exec_func exec
_fc_func()
{
local cur prev
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-e -n -l -r -s)
return 0;
fi
if [[ $prev == -*e ]]; then
COMPREPLY=( $(compgen -c $cur) )
return 0
fi
return 1
}
complete -F _fc_func fc
_hash_func()
{
local cur prev
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-p -r -t)
return 0;
fi
if [[ $prev == '-p' ]]; then
COMPREPLY=( $( compgen -f $cur ) )
return 0;
fi
COMPREPLY=( $( compgen -c $cur ) )
return 0
}
complete -F _hash_func hash
_history_func()
{
local cur prev
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
COMPREPLY=()
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-a -c -d -n -r -w -p -s)
return 0;
fi
if [[ $prev == -[anrw] ]]; then
COMPREPLY=( $( compgen -f $cur ) )
fi
return 0
}
complete -F _history_func history
#complete -F _read_func read
_set_func ()
{
local cur prev
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
COMPREPLY=()
_redir_test "$cur" "$prev" && return 0;
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-a -b -e -f -k -m -n -o -p -t -u -v -x -B -C -H -P --)
return 0;
fi
if [[ $cur == '+' ]]; then
COMPREPLY=(+a +b +e +f +k +m +n +o +p +t +u +v +x +B +C +H +P)
return 0;
fi
if [[ $prev == [+-]o ]]; then
COMPREPLY=( $(compgen -A setopt $cur) )
return 0;
fi
return 1;
}
complete -F _set_func set
_trap_func ()
{
local cur
cur=${COMP_WORDS[COMP_CWORD]}
if (( $COMP_CWORD <= 1 )) || [[ $cur == '-' ]]; then
COMPREPLY=(-l -p)
return 0;
fi
COMPREPLY=( $( compgen -A signal ${cur}) )
return 0
}
complete -F _trap_func trap
#
# meta-completion (completion for complete/compgen)
#
_complete_meta_func()
{
local cur prev cmd
COMPREPLY=()
cmd=$1
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
_redir_test "$cur" "$prev" && return 0;
if (( $COMP_CWORD <= 1 )) || [[ "$cur" == '-' ]]; then
case "$cmd" in
complete) COMPREPLY=(-a -b -c -d -e -f -j -k -s -v -u -r -p -A -G -W -P -S -X -F -C);;
compgen) COMPREPLY=(-a -b -c -d -e -f -j -k -s -v -u -A -G -W -P -S -X -F -C);;
esac
return 0
fi
if [[ $prev == -A ]]; then
COMPREPLY=(alias arrayvar binding builtin command directory \
disabled enabled export file 'function' helptopic hostname job keyword \
running service setopt shopt signal stopped variable)
return 0
elif [[ $prev == -F ]]; then
COMPREPLY=( $( compgen -A function $cur ) )
elif [[ $prev == -C ]]; then
COMPREPLY=( $( compgen -c $cur ) )
else
COMPREPLY=( $( compgen -c $cur ) )
fi
return 0
}
complete -F _complete_meta_func complete compgen
#
# some completions for shell reserved words
#
#complete -c -k time do if then else elif '{'
#
# external commands
#
complete -e printenv
complete -c nohup exec nice eval trace truss strace sotruss gdb
_make_targets ()
{
local mdef makef gcmd cur prev i
COMPREPLY=()
cur=${COMP_WORDS[COMP_CWORD]}
prev=${COMP_WORDS[COMP_CWORD-1]}
# if prev argument is -f, return possible filename completions.
# we could be a little smarter here and return matches against
# `makefile Makefile *.mk', whatever exists
case "$prev" in
-*f) COMPREPLY=( $(compgen -f $cur ) ); return 0;;
esac
# if we want an option, return the possible posix options
case "$cur" in
-) COMPREPLY=(-e -f -i -k -n -p -q -r -S -s -t); return 0;;
esac
# make reads `makefile' before `Makefile'
# GNU make reads `GNUmakefile' before all other makefiles, but we
# check that we're completing `gmake' before checking for it
if [ -f GNUmakefile ] && [ ${COMP_WORDS[0]} == gmake ]; then
mdef=GNUmakefile
elif [ -f makefile ]; then
mdef=makefile
elif [ -f Makefile ]; then
mdef=Makefile
else
mdef=*.mk # local convention
fi
# before we scan for targets, see if a makefile name was specified
# with -f
for (( i=0; i < ${#COMP_WORDS[@]}; i++ )); do
if [[ ${COMP_WORDS[i]} == -*f ]]; then
eval makef=${COMP_WORDS[i+1]} # eval for tilde expansion
break
fi
done
[ -z "$makef" ] && makef=$mdef
# if we have a partial word to complete, restrict completions to
# matches of that word
if [ -n "$2" ]; then gcmd='grep "^$2"' ; else gcmd=cat ; fi
# if we don't want to use *.mk, we can take out the cat and use
# test -f $makef and input redirection
COMPREPLY=( $(cat $makef 2>/dev/null | awk 'BEGIN {FS=":"} /^[^.# ][^=]*:/ {print $1}' | tr -s ' ' '\012' | sort -u | eval $gcmd ) )
}
complete -F _make_targets -X '+($*|*.[cho])' make gmake pmake
_umount_func ()
{
COMPREPLY=( $(mount | awk '{print $1}') )
}
complete -F _umount_func umount
_configure_func ()
{
case "$2" in
-*) ;;
*) return ;;
esac
case "$1" in
\~*) eval cmd=$1 ;;
*) cmd="$1" ;;
esac
COMPREPLY=( $("$cmd" --help | awk '{if ($1 ~ /--.*/) print $1}' | grep ^"$2" | sort -u) )
}
complete -F _configure_func configure
complete -W '"${GROUPS[@]}"' newgrp
complete -f chown ln more cat
complete -d mkdir rmdir
complete -f strip
complete -f -X '*.gz' gzip
complete -f -X '*.bz2' bzip2
complete -f -X '*.Z' compress
complete -f -X '!*.+(gz|tgz|Gz)' gunzip gzcat zcat zmore
complete -f -X '!*.Z' uncompress zmore zcat
complete -f -X '!*.bz2' bunzip2 bzcat
complete -f -X '!*.zip' unzip
complete -f -X '!*.+(gif|jpg|jpeg|GIF|JPG|JPEG|bmp)' xv
complete -f -X '!*.pl' perl perl5
complete -A hostname rsh telnet rlogin ftp ping xping host traceroute nslookup
complete -A hostname rxterm rxterm3 rxvt2
complete -u su
complete -g newgrp groupdel groupmod
complete -f -X '!*.+(ps|PS)' gs gv ghostview psselect pswrap
complete -f -X '!*.+(dvi|DVI)' dvips xdvi dviselect dvitype catdvi
complete -f -X '!*.+(pdf|PDF)' acroread4
complete -f -X '!*.texi*' makeinfo texi2dvi texi2html
complete -f -X '!*.+(tex|TEX)' tex latex slitex
complete -f -X '!*.+(mp3|MP3)' mpg123
complete -f -X '!*.+(htm|html)' links w3m lynx
#
# other possibilities, left as exercises
#
#complete -F _find_func find
#complete -F _man_func man
#complete -F _stty_func stty
|