On Sat, 28 Dec 2002, Gerrit P. Haase wrote:
> Hallo Joerg,
>
> Am Freitag, 20. Dezember 2002 um 17:55 schriebst du:
>
> > Hi Perl maintainer,
>
> > using the new experimental Perl 5.8.1 release, the command
>
> > $ perldoc perl
> > Can't open /usr/bin/perl: No such file or directory at /bin/perldoc line
> > 206.
>
> perldoc perl.pod works well
>
> > fails to present the Perl manual overview. Calling the manual pages
> > directly, anything works well:
>
> > perldoc perlfun
>
> > It seems that perldoc does not find the /usr/lib/perl5/5.8.1/pods/perl.pod,
> > because it matches somehow /usr/bin/perl first.
>
> Yes, please fix it :-)
>
> I just figured that calling: perldoc perl.pod works well.
> I tried to understand what happens in the perldoc script
> and I have no idea why it doesn't work. And most
> interesting is that it works with perl 5.6.1.
>
> Gerrit
Gerrit,
I'm by no means a perl guru, but here are a few observations from
/usr/bin/perldoc:
266: sub searchfor {
267: my($recurse,$s,@dirs) = @_;
276: for ($i=0; $i<@dirs; $i++) {
277: $dir = $dirs[$i];
279: if ( ( $ret = check_file $dir,"$s.pod")
280: or ( $ret = check_file $dir,"$s.pm")
281: or ( $ret = check_file $dir,$s)
... etc ...
312: }
400: foreach (@pages) {
413: # We must look both in @INC for library modules and in $bindir
414: # for executables, like h2xs or perldoc itself.
415: my @searchdirs = (@INC, $bindir);
434: my @files = searchfor(0,$_,@searchdirs);
462: }
In other words, it looks like the script searches @INC (which can vary
from version to version). If you look at the changes in @INC between
5.6.1 and 5.8, you could probably track down this problem.
Sorry if I'm restating the obvious.
Igor
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