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Re: Resources to get help in Perl

by talexb (Canon)
on Jan 04, 2005 at 17:50 UTC ( #419323=note: print w/replies, xml ) Need Help??

in reply to Resources to get help in Perl

    When you have a question such as "how to copy a file", what do you do to find a solutions ?

There's a Perl question and a meta-question being posed here. The question is about copying a file. The meta-question is how do you find out about stuff.

To assist the searcher, I'd suggest looking for information that answers these questions, in the following order:

  • Can Perl do that directly (e.g. grep, file exists test (-e))?
  • Is there a Perl module to do that (e.g. Net::Ping, CGI and of course File::Copy)?
  • Must we shell out and run a command (e.g. installation specific commands, launching applications that communicate by pipe, commands not yet wrapped by a Perl module available on CPAN)?

Alex / talexb / Toronto

"Groklaw is the open-source mentality applied to legal research" ~ Linus Torvalds

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[erix]: Look what I found! :P
[Corion]: Hmm - actually, I don't need them, even though they'd be nice. I just want the (say) 10 latest images, and that's easily done with a limit 10 offset 0 clause, as I don't need all top 10 images for all users.
[Corion]: erix: Sure, but this is for a really-lightweight application and I'm replacing a CSV file / JSON file for user configuration with SQLite (and optionally, Pg) :)
[erix]: isn't a texty format handier for configs?
[Corion]: So far, I've avoided having even a user database by storing the user information in a (signed) cookie that the browser keeps for me, but as I want to be able to lock users, I need a second storage option :)
[Corion]: erix: It's needed for keeping the list of users and the list of tags associated with an image, and for keeping the images with users. I want an easy way to know if an image can be deleted, which means that it can't be referenced by any tag anymore. ...
[Corion]: SQL feels like a natural choice here :)

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