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Diffstat (limited to 'contrib/perl5/mv-if-diff')
-rw-r--r-- | contrib/perl5/mv-if-diff | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/contrib/perl5/mv-if-diff b/contrib/perl5/mv-if-diff new file mode 100644 index 0000000..4a85b98 --- /dev/null +++ b/contrib/perl5/mv-if-diff @@ -0,0 +1,15 @@ +: mv-if-diff file1 file2 +: move file1 to file2 if file1 and file2 are different. + +if test $# -lt 2 ; then + echo "usage: $0 file1 file2" + echo "move file1 to file2 if file1 and file2 are different." + exit 1 +fi +if cmp $1 $2 >/dev/null 2>&1; then + echo "File $2 not changed." + rm -f $1 +else + rm -f $2 + mv $1 $2 +fi |