On 8/19/26 07:18, Collin Funk wrote:
* tests/Coreutils.pm (_compare_files): Use 'diff -u' instead of
'diff -c'.
---
  tests/Coreutils.pm | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/Coreutils.pm b/tests/Coreutils.pm
index e396d93a4..fca22a670 100644
--- a/tests/Coreutils.pm
+++ b/tests/Coreutils.pm
@@ -141,7 +141,7 @@ sub _compare_files ($$$$$)
        warn "$program_name: test $test_name: ${info}mismatch, comparing "
          . "$expected (expected) and $actual (actual)\n";
        # Ignore any failure, discard stderr.
-      system "diff -c $expected $actual 2>/dev/null";
+      system "diff -u $expected $actual 2>/dev/null";
      }
return $differ;

Do the diff tools on all supported platforms support unified diffs meanwhile?
At least on the reachable hosts on CFARM, now all seem to support 'diff -u'.

Have a nice day,
Berny

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