Mercurial > hg > CbC > CbC_gcc
view move-if-change @ 18:33936f7f2835
Added tag gcc.4.4.0 for changeset a06113de4d67
author | kent@firefly.cr.ie.u-ryukyu.ac.jp |
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date | Thu, 24 Sep 2009 13:06:16 +0900 |
parents | a06113de4d67 |
children | f6334be47118 |
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#!/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