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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