buildtools/legacy/binutils/move-if-change
Oliver Tappe 0aa3a3d9db * updated binutils to 2.17, most problems should be solved now...
except one: the binaries produced by this version of binutils crashes the loader of
  BeOS versions BONE, Dano (and probably Zeta, too). That's a pity, but I currently
  do not know how to fix this (as the fix available for older versions of binutils
  does not work anymore).



git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@20192 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-02-21 21:17:52 +00:00

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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