Re: Installing Perl modules with "perl -MCPAN -e shell;" fails with "02packages.details.txt.gz does not contain a Line-Count header"

["Gerrit P. Haase" <gp at familiehaase dot de>]

Stephan Petersen wrote:

> Hi David,
>
> > > Please check the validity of the index file by comparing it to more
> > > than one CPAN mirror.
> >
> >
> > Have you tried this?  E.g. configured CPAN to use another mirror and 
> > tried
> > again?
>
>
> yes, it's the same for every CPAN mirror I've tried. I've deleted CPAN's
> config.pm and my .cpan directory several times now, it's the same after
> every reconfiguration.
>
> Testing 02packages.details.txt.gz with gzip -t reports:
> gzip: 02packages.details.txt.gz: invalid compressed data--format violated
>
> Same with 03modlist.data.gz.
>
> I'm using cygwin on W2k with default text file type "DOS", in case
> that's relevant.

Yes.  Your .cpan directory needs to be mounted in binmode (Unix).

From /usr/share/doc/Cygwin/perl-5.8.6.README:

- The CPAN repository and build directory *must* reside in a path
  mounted in binmode:

    mount -s -b -f c:/cygwin/home/username/.cpan /home/username/.cpan
    mount -u -b -f c:/cygwin/home/username/.cpan /home/username/.cpan

  where username is your home path and cygwin / windows username.
  After mounting like this it should work with only few warnings or
  completely without problems, depending on your environment settings
  for the CYGWIN variable.

HTH,
Gerrit
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