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Re: perl modules
by {NULE} (Hermit) on Nov 14, 2001 at 09:09 UTC
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Hi,
On my system (Linux)
perldoc perllocal
produces a list of modules I have installed using the CPAN shell. (perl -MCPAN -e shell). It does not report on modules that are part of the core distribution (like CGI.pm).
To see more than that, try what our fellow monks have suggested before me.
Update: Good call, Sweeper, I do that sometimes as well (like my work machine) - glad you mentioned it.
{NULE}
--
http://www.nule.org | [reply]
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I don't use CPAN.pm, I use the usual four incantations:
perl Makefile.PL
make
make test
make install
and at the time of make install, the perllocal
file is updated.
So, perldoc perllocal works for me too.
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Re: perl modules
by toma (Vicar) on Nov 14, 2001 at 08:59 UTC
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If you run
perl -V
you will see a bunch of output that describes your
installation of perl. At the bottom is the array
@INC which has the directories that include
perl modules. You could write a perl program using
File::Find to find the
modules, or you could cd to these directories one
at a time and execute
find . -name '*.pm'
and see lots of modules.
It should work perfectly the first time! - toma | [reply]
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Re: perl modules
by Anonymous Monk on Nov 14, 2001 at 09:25 UTC
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Re: perl modules
by Kanji (Parson) on Nov 14, 2001 at 09:21 UTC
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For a more automated approach to what ehdonhon and toma refer, see PerlDiver (sample output).
Update: I've never used PerlDiver myself, but after reading mattr and jcwren comments, I took at look at it's source and have to agree: PerlDiver is pretty grotty. :(
--k.
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Re: perl modules
by ehdonhon (Curate) on Nov 14, 2001 at 08:56 UTC
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You can check each of your directories in @INC and see
which of them have a .packlist file. That will tell you
what Perl modules are installed, among other things.
Though it probably more pratical on most systems to ask
"Is module x installed" than to ask "what modules are
installed".
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Re: perl modules
by sm3g (Hermit) on Nov 14, 2001 at 23:33 UTC
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Tom Phoenix (one of the authors of the Llama book along with our own merlyn)
has a program called Inside available here that does this.
Here is a blurb from the readme:
This program will try to report which Perl modules are available
on your machine, along with some other useful information.
Although it's especially made to be helpful to CGI programmers,
it may be of use to other Perl users as well.
Note that I've done more than a few weird things in this code in
order to make it work in some odd surroundings. The right thing
to do in general is to fix the broken environments, rather than
to work around them. But since the purpose of this program is to
diagnose some of those broken environments, I'm breaking the
rules. In short: Don't Do As This Code Does! Use the accepted
techniques, instead.
I found it useful and pretty easy to run and will give you far more information than you (or at least I) need.
requisite obfuscation sig below:
perl -e 's;;uoli;;$a=length;y;g-w;e-u;;;$a--;s;j;$a;;print"$_\n";' | [reply]
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Re: perl modules
by Rich36 (Chaplain) on Nov 14, 2001 at 19:53 UTC
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Of you can try this script I wrote - findINC. Given a module name or fragment of a module name, it will recurse the @INC and find if it is installed.
Rich36
There's more than one way to screw it up...
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Why not just do perl -MModuleName?
If that works, the module is installed and in the normal @INC locations. To conditionally do things based on whether or module is available within a real script, just put an eval block around require.
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