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# (C) 2010 magicant
# Completion script for the "grep" command.
# Supports POSIX 2008, GNU grep 2.6.3, SunOS 5.10, HP-UX 11i v3.
function completion/grep {
case $("${WORDS[1]}" --version 2>/dev/null) in
(*'GNU grep'*) typeset type=GNU ;;
(*) typeset type="$(uname 2>/dev/null)" ;;
esac
case $type in
(GNU) typeset long=true ;;
(*) typeset long= ;;
esac
typeset OPTIONS POSIXOPTIONS ADDOPTIONS ARGOPT PREFIX
POSIXOPTIONS=( #>#
"c ${long:+--count}; print only the count of selected lines"
"E ${long:+--extended-regexp}; use extended regular expression"
"e: ${long:+--regexp:}; specify a pattern to match"
"F ${long:+--fixed-strings}; perform simple string matching rather than regular expression"
"f: ${long:+--file:}; specify a file containing patterns to match"
"i ${long:+--ignore-case}; case-insensitive matching"
"l ${long:+--files-with-matches}; print filenames only"
"n ${long:+--line-number}; print line numbers"
"q ${long:+--quiet --silent}; don't print anything to the standard output"
"s ${long:+--no-messages}; suppress error messages"
"v ${long:+--invert-match}; select non-matching lines"
"x ${long:+--line-regexp}; force the pattern to match whole lines only"
) #<#
ADDOPTIONS=()
case $type in (GNU|SunOS|HP-UX)
ADDOPTIONS=("$ADDOPTIONS" #>#
"h ${long:+--no-filename}; never print filenames in results"
"w ${long:+--word-regexp}; force the pattern to match whole words only"
) #<#
esac
case $type in
(GNU)
ADDOPTIONS=("$ADDOPTIONS" #>#
"A: --after-context:; print specified number of lines after each line printed"
"a --text; treat binary files as test files"
"B: --before-context:; print specified number of lines before each line printed"
"b --byte-offset; print byte offset for each line printed"
"C: --context:; print specified number of lines before and after each line printed"
"D: --devices:; specify how to handle special files"
"d: --directories:; specify how to handle directories"
"G --basic-regexp; use basic regular expression"
"H --with-filename; always print the filename for each line printed"
"I; assume binary files don't match anything"
"L --files-without-match; print only the names of files containing no selected lines"
"m: --max-count:; specify the count to match at most"
"o --only-matching; print only the matching part of line"
"P --perl-regexp; use Perl's regular expression"
"R r --recursive; recursively search directories"
"T --initial-tab; align result lines"
"U --binary; don't convert CR-LF into LF"
"u --unix-byte-offsets; report offsets ignoring carriage returns"
"V --version; print version info"
"Z --null; print a null byte after each filename"
"z --null-data; separate output lines with null byte rather than newline"
"--binary-files:; specify how to handle binary files"
"--color:: --colour::; specify when to print colored output"
"--exclude:; skip files whose names match the specified pattern"
"--exclude-dir:; skip directories whose names match the specified pattern"
"--exclude-from:; skip files whose names match a pattern in the specified file"
"--include:; search only files whose names match the specified pattern"
"--label:; specify a filename for the standard output"
"--line-buffered; print results as soon as possible"
"--help"
) #<#
;;
(SunOS|HP-UX)
ADDOPTIONS=("$ADDOPTIONS" #>#
"b; print 512-block offset for each line printed"
) #<#
;;
esac
OPTIONS=("$POSIXOPTIONS" "$ADDOPTIONS")
unset POSIXOPTIONS ADDOPTIONS
command -f completion//parseoptions ${long:+-es}
case $ARGOPT in
(-)
command -f completion//completeoptions
;;
([ABCm]|--*context|--max-count)
;;
(--binary-files) #>>#
complete -P "$PREFIX" -D "report but don't print the contents of binary files" binary
complete -P "$PREFIX" -D "assume binary files don't match anything" without-match
complete -P "$PREFIX" -D "treat binary files as test files" text
;; #<<#
(--color|--colour) #>>#
complete -P "$PREFIX" -D "always print in color" yes always force
complete -P "$PREFIX" -D "print in color if output is terminal" auto tty if-tty
complete -P "$PREFIX" -D "don't print in color" no never none
;; #<<#
(D|--devices) #>>#
complete -P "$PREFIX" -D "treat special files as regular files" read
complete -P "$PREFIX" -D "skip special files" skip
;; #<<#
(d|--directories) #>>#
complete -P "$PREFIX" -D "treat directories as regular files" read
complete -P "$PREFIX" -D "recursively search directories" recurse
complete -P "$PREFIX" -D "skip directories" skip
;; #<<#
(*)
complete -P "$PREFIX" -f
;;
esac
}
# vim: set ft=sh ts=8 sts=8 sw=8 et:
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