git: md5(1): Warn on read errors

[Aaron LI]

commit 46fc87e7afa10b17d826e6d87dfc522f79b28a39
Author: Aaron LI <aly at aaronly.me>
Date:   Mon Feb 16 21:38:34 2026 +0800

    md5(1): Warn on read errors
    
    md5(1) previously did not report read errors.  As a result, attempting
    to hash a directory produced no output and only returned exit code 66.
    
    Make md5(1) print a warning when a file cannot be read.
    
    Before:
        $ md5 /
        (no output; only exit code 66)
    
    After:
        $ md5 /
        md5: can't read /: Is a directory

Summary of changes:
 sbin/md5/md5.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/46fc87e7afa10b17d826e6d87dfc522f79b28a39


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