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-rw-r--r-- | examples/complete/complete-examples | 512 |
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diff --git a/examples/complete/complete-examples b/examples/complete/complete-examples new file mode 100644 index 0000000..8a0746d --- /dev/null +++ b/examples/complete/complete-examples @@ -0,0 +1,512 @@ +# +# 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 |