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Annotation of gcc/move-if-change, revision 1.1.1.2

1.1       root        1: #!/bin/sh
1.1.1.2 ! root        2: # Like mv $1 $2, but if the files are the same, just delete $1.
        !             3: # Status is 0 if $2 is changed, 1 otherwise.
1.1       root        4: if
                      5: test -r $2
                      6: then
                      7: if
                      8: cmp $1 $2 > /dev/null
                      9: then
                     10: echo $2 is unchanged
                     11: rm -f $1
                     12: else
                     13: mv -f $1 $2
                     14: fi
                     15: else
                     16: mv -f $1 $2
                     17: fi

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