Mail Archives: cygwin/2006/01/20/09:11:41
Eric Blake wrote:
> According to Mark Bohlman on 1/19/2006 3:24 PM:
>>> Notice the message ": No such file or directoryz" - that is not a typo but a cut and paste.
>>> Turns out that the .md5 file has a CR-LF (downloaded from source provider) in it that is no
>>> longer being read properly. Removing the offending 0x0D from the file .md5 file causes it
>>> to work properly.
>
> The NEWS file does mention that explicit code changes were made in the
> arena of text vs. binary. But it appears that md5sum has always been
> outputting CR-LF checksums when on a text mount, in both 5.3.0 and 5.93.
> I will definately have to think more about this, and get some opinions
> from upstream.
>
> Meanwhile, I think two things should happen - first, md5sum should output
> checksums with just LF, even on text mounts (due to the fact that it
> becomes ambiguous on managed mounts whether the CR is part of the filename
> or the line separator), and second, when a file is marked with * (meaning
> that it was read in binary mode on a platform where binary mode matters),
> try stripping the trailing CRs if the full filename doesn't exist (since
> normally such platforms don't support trailing CRs in filenames). I'll
> add this to my list of things to fix in coreutils-5.93-3.
>
>>> Was md5sum change in it's handling of CR/LF? Or did I do something screwy in my update like
>>> select DOS files (although I've never done before it is possible).
>
> You can always run d2u on your md5sum file, and it should only ever break
> if you use managed mounts to intentionally create files with trailing CRs
> (normally not a good idea).
As a check I tested the same md5 file at home on a machine that has not been upgraded in a
while and it works as expected with the CRLF in place. The d2u of course is a good work
around. One final note is that I've got only bin mounts, not text.
Thanks Eric, as always, for your efforts.
-- Mark
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