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authorcamthesaxman <camthesaxman@users.noreply.github.com>2020-01-29 18:17:43 -0600
committercamthesaxman <camthesaxman@users.noreply.github.com>2020-01-29 18:17:43 -0600
commitcdc6e2c50f96119bdc4c1205ff5901ca82ec8357 (patch)
tree3e9217eabcf444e166008411f445315606dded59 /gcc_arm/move-if-change
parent27176890c4a688ea7de44d3f55af32827016a9fd (diff)
add old compiler with ARM support
Diffstat (limited to 'gcc_arm/move-if-change')
-rwxr-xr-xgcc_arm/move-if-change17
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc_arm/move-if-change b/gcc_arm/move-if-change
new file mode 100755
index 0000000..66d8b8a
--- /dev/null
+++ b/gcc_arm/move-if-change
@@ -0,0 +1,17 @@
+#!/bin/sh
+# Like mv $1 $2, but if the files are the same, just delete $1.
+# Status is 0 if $2 is changed, 1 otherwise.
+if
+test -r $2
+then
+if
+cmp -s $1 $2
+then
+echo $2 is unchanged
+rm -f $1
+else
+mv -f $1 $2
+fi
+else
+mv -f $1 $2
+fi