# (C) 2010 magicant

# Completion script for the "uniq" command.
# Supports POSIX 2008, GNU coreutils 8.6, FreeBSD 8.1, OpenBSD 4.8, NetBSD 5.0,
# Mac OS X 10.6.4, SunOS 5.10, HP-UX 11i v3.

function completion/uniq {

	case $("${WORDS[1]}" --version 2>/dev/null) in
		(*'coreutils'*) typeset type=GNU ;;
		(*)             typeset type="$(uname 2>/dev/null)" ;;
	esac
	case $type in
		(GNU) typeset long=true ;;
		(*)   typeset long= ;;
	esac

	typeset OPTIONS ARGOPT PREFIX
	OPTIONS=( #>#
	"c ${long:+--count}; print repeat count for each unique line"
	"d ${long:+--repeated}; print repeated lines only"
	"f: ${long:+--skip-fields:}; skip first n fields on each line in comparison"
	"s: ${long:+--skip-chars:}; skip first n characters on each line in comparison"
	"u ${long:+--unique}; don't print repeated lines"
	) #<#

	case $type in (GNU|FreeBSD|Darwin)
		OPTIONS=("$OPTIONS" #>#
		"i ${long:+--ignore-case}; case-insensitive comparison"
		) #<#
		case $type in (GNU)
			OPTIONS=("$OPTIONS" #>#
			"D; print only repeated lines in all"
			"--all-repeated::; print only repeated lines in all"
			"w: --check-chars:; compare at most n characters on each line"
			"z --zero-terminated; use null bytes as the line separator"
			"--help"
			"--version"
			) #<#
		esac
	esac

	command -f completion//parseoptions
	case $ARGOPT in
	(-)
		command -f completion//completeoptions
		;;
	(--all-repeated) #>>#
		complete -P "$PREFIX" -D "don't delimit group of repeated lines" none
		complete -P "$PREFIX" -D "print a newline before each group of repeated lines" prepend
		complete -P "$PREFIX" -D "print a newline between groups of repeated lines" separate
		;; #<<#
	('')
		complete -f
		;;
	esac

}


# vim: set ft=sh ts=8 sts=8 sw=8 noet:
