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[/] [openrisc/] [trunk/] [gnu-stable/] [binutils-2.20.1/] [move-if-change] - Diff between revs 816 and 818

Rev 816	Rev 818
?rev1line?	?rev2line?
	`#!/bin/sh`
	`# Like mv $1 $2, but if the files are the same, just delete $1.`
	`# Status is zero if successful, nonzero otherwise.`

	`usage="$0: usage: $0 SOURCE DEST"`

	`case $# in`
	`2) ;;`
	`*) echo "$usage" >&2; exit 1;;`
	`esac`

	`for arg in "$1" "$2"; do`
	`case $arg in`
	`-*) echo "$usage" >&2; exit 1;;`
	`esac`
	`done`

	`if test -r "$2" && cmp -s "$1" "$2"; then`
	`rm -f "$1"`
	`else`
	`mv -f "$1" "$2"`
	`fi`