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-rwxr-xr-xutil/rundiff4
1 files changed, 4 insertions, 0 deletions
diff --git a/util/rundiff b/util/rundiff
index 63c05b96b..9376e4b9e 100755
--- a/util/rundiff
+++ b/util/rundiff
@@ -87,6 +87,10 @@ my ($fh1, $fh2);
open($fh1, $file1) or die "Can't open $file1";
open($fh2, $file2) or die "Can't open $file2";
+# print files to output so we know which is which
+print "-$file1\n";
+print "+$file2\n";
+
# buffer of matching lines for pre-diff context
my @precontext = ();
# number of post-diff matching lines remaining to print