# (C) 2010 magicant

# Completion script for the "split" 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/split {

	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=( #>#
	"a: ${long:+--suffix-length:}; specify the suffix length for output files"
	"b: ${long:+--bytes:}; specify the output file size in bytes"
	"l: ${long:+--lines:}; specify the number of lines in each output file"
	) #<#

	case $type in (GNU)
		OPTIONS=("$OPTIONS" #>#
		"C: --line-bytes:; like -b, but split at line breaks"
		"d --numeric-suffixes; use numeric suffixes rather than lowercase letters"
		"--verbose; print a message for each output file processed"
		"--help"
		"--version"
		) #<#
	esac
	case $type in (FreeBSD|NetBSD)
		OPTIONS=("$OPTIONS" #>#
		"n:; specify the number of output files"
		) #<#
	esac
	case $type in (Darwin|FreeBSD|OpenBSD)
		OPTIONS=("$OPTIONS" #>#
		"p:; split at lines matching the specified extended regular expression"
		) #<#
	esac

	command -f completion//parseoptions ${long:+-es}
	case $ARGOPT in
	(-)
		command -f completion//completeoptions
		;;
	([alnp]|--suffix-length|--lines)
		;;
	([bC]|--bytes|--line-bytes)
		if command -vf completion//prefixdigits >/dev/null 2>&1 ||
				. -AL completion/_blocksize; then
			if command -f completion//prefixdigits; then
				command -f completion//completesizesuffix k m
				case $type in
				(GNU)
					command -f completion//completesizesuffix GNU b
					;;
				(FreeBSD)
					command -f completion//completesizesuffix g
					;;
				esac
			fi
		fi
		;;
	(*)
		complete -f
		;;
	esac

}


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