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# (C) 2010 magicant
# Completion script for the "man" command.
# Supports POSIX 2008, man-db 2.5.7, and other conventional syntaxes.
function completion/man {
if "${WORDS[1]}" --where man >/dev/null 2>&1; then
typeset type=man-db
else
typeset type=POSIX
fi
case $type in
(man-db) typeset long=true ;;
(*) typeset long= ;;
esac
typeset OPTIONS ARGOPT PREFIX
OPTIONS=( #>#
"a ${long:+--all}; show all manual pages, not only the first found one"
"f ${long:+--whatis}; only print brief description"
"k ${long:+--apropos}; search manual database and print brief description"
"l ${long:+--local-file}; display man page given as filename"
"M: ${long:+--manpath:}; specify directories containing manual pages"
"s: ${long:+--sections:}; specify manual sections"
) #<#
case $type in (man-db)
OPTIONS=("$OPTIONS" #>#
"7 --ascii; display ASCII translation of certain Latin-1 characters"
"C: --config-file:; specify a pathname of the config file"
"D --default; reset options (possibly set by \$MANOPT)"
"e: --extension:; only search sections with the specified suffix"
"H:: --html::; view the manual as HTML with the specified browser"
"h --help; print help"
"I --match-case; case-sensitive search"
"i --ignore-case; case-insensitive search"
"K --global-apropos; search for text in all manual pages"
"L: --locale:; specify locale"
"l --local-file; treat operands as manual page filenames"
"m: --systems:; specify system names to show the manual for"
"P: --pager:; specify a pager to show the manual"
"p: --preprocessor:; specify a preprocessor sequence"
"R: --recode:; specify an encoding to convert the manual page to"
"r: --prompt:; specify a prompt string used in the less pager"
"T:: --troff-device::; use groff with the specified device"
"t --troff; use groff -mandoc to format pages"
"u --update; check cache consistency"
"V --version; print version info"
"w --where --location; print the pathname of the manual page"
"W --where-cat --location-cat; print the pathname of the cat file"
"X:: --gxditview::; view the manual using gxditview with the specified DPI"
"Z --ditroff; force groff to produce ditroff"
"--names-only; match page names only (with --regex or --wildcard)"
"--no-justification --nj; disable justification of text"
"--no-hyphenation --nh; disable automatic hyphenation"
"--no-subpages; don't try subpages like git-diff for \`git-diff'"
"--regex; use regular expression in searching"
"--warnings::; specify groff warning types to enable"
"--wildcard; use shell-like pattern matching in searching"
) #<#
esac
command -f completion//parseoptions
case $ARGOPT in
(-)
command -f completion//completeoptions
;;
(C|--config-file)
complete -P "$PREFIX" -f
;;
(H|--html)
complete -P "$PREFIX" --external-command
;;
(M|--manpath)
typeset targetword="${TARGETWORD#"$PREFIX"}"
targetword=${targetword##*:}
PREFIX=${TARGETWORD%"$targetword"}
complete -P "$PREFIX" -S / -T -d
;;
('')
case $TARGETWORD in
(*/*)
complete -f
;;
(*)
command -f completion/man::operand
;;
esac
;;
esac
}
function completion/man::operand {
typeset i=1 sections= manpath=
while [ $i -le ${WORDS[#]} ]; do
case ${WORDS[i]} in
(--)
if [ $((i+1)) -le ${WORDS[#]} ]; then
case ${WORDS[i+1]} in ([[:digit:]]*)
sections=${WORDS[i+1]}
esac
fi
break
;;
(-M*)
manpath=${WORDS[i]#-M}
;;
(-s*)
sections=${WORDS[i]#-s}
;;
esac
i=$((i+1))
done
IFS=':,'
sections=($sections)
[ "$manpath" ] ||
manpath=$(manpath 2>/dev/null) ||
manpath=${MANPATH:-/usr/man:/usr/share/man:/usr/local/man:/usr/local/share/man}
IFS=:
manpath=($manpath)
IFS=
typeset saveopts=$(set +o)
set +o noglob -o nullglob +o nocaseglob
typeset mandir section
for mandir in "$manpath"; do
if [ ${sections[#]} -gt 0 ]; then
for section in "$sections"; do
command -f completion/man::operand::search "${mandir}/man${section}"
command -f completion/man::operand::search "${mandir}/sman${section}"
command -f completion/man::operand::search "${mandir}/man${section}.Z"
done
else
for mandir in "$mandir"/man* "$mandir"/sman*; do
command -f completion/man::operand::search "${mandir}"
done
fi
done
eval "$saveopts"
}
function completion/man::operand::search {
typeset files
files=("$1"/*)
files=("${${${${${${files##*/}%.[gx]z}%.bz2}%.lzma}%.Z}%.*}")
complete -R '' -- "$files"
}
# vim: set ft=sh ts=8 sts=8 sw=8 et:
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