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-rw-r--r--mv-if-diff14
1 files changed, 14 insertions, 0 deletions
diff --git a/mv-if-diff b/mv-if-diff
new file mode 100644
index 0000000000..1112a10dd3
--- /dev/null
+++ b/mv-if-diff
@@ -0,0 +1,14 @@
+: 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 tmp
+else
+ mv $1 $2
+fi