[Bug 276915] FreeBSD md5sum doesn't accept '-' as stdin

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 09 Feb 2024 09:34:02 UTC

            Bug ID: 276915
           Summary: FreeBSD md5sum doesn't accept '-' as stdin
           Product: Base System
           Version: 14.0-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: h2+fbsdports@fsfe.org

GNU md5sum accepts the following with identical semantics:
echo "foo" | md5sum
echo "foo" | md5sum -

FreeBSD md5sum rejects the second, because it looks for a file named "-". This
trips up scripts that rely on the GNU behaviour. Since the FreeBSD md5sum is
meant to be compatible to the GNU counterpart, it would be great if the
behaviour could be changed!

Thank you very much!

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