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On 20/04/2025 00:44, William Johnson via GNU coreutils Bug Reports wrote:
Hello. I would like to report a bug for md5sum coreutil.
If filename has ‘\t’ in filename, stdout for md5sum result will start with
backslash symbol.
* My version of md5sum util:
md5sum --version
md5sum (GNU coreutils) 8.32
* Set of commands to reproduce:
$ touch hello
$ touch hello\t\\t\\\t\\\\t
$ md5sum ./*
d41d8cd98f00b204e9800998ecf8427e ./hello
\d41d8cd98f00b204e9800998ecf8427e ./hellot\\t\\t\\\\t
* Expected no backshash symbol in stdout line 2. This is not a big deal as files with backslashes in names are rare, but if someone process md5sums with regexp this case might ruin their work. Theoretically.
Thank you.
That's expected and documented behavior.
Consider using --zero for programmatic use of these utilities,
in which case the escaping is not used (required).
cheers,
Pádraig
