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Dumping variables

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Dumping variables Perl Programming forum discussing coding in Perl, utilizing Perl modules, and other Perl-related topics. Perl, the Practical Extraction and Reporting Language, is the choice for many for parsing textual information.

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  #1  
Old December 24th, 2001, 09:54 AM
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Question Dumping variables
Hi all

Is there a replacement for the var_dump function of PHP in Perl? I ask only because for what I've understood, Perl is not so user friendly as PHP and that's why such a function can become even more handy than ever.
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Old December 24th, 2001, 10:29 AM
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The aptly named Data::Dumper should be what you're looking for.
Code:
use Data::Dumper;

#create data structure here

print Dumper($your_data_structure);


This will print 'eval'-able stringyfied versions of your data. Read the man page, this is a pretty simple module.
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Old December 24th, 2001, 12:11 PM
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My thanks to you Hero Zzyzzx. Do I need to install an additional module for that or can I just go on and use it at whim? I'm afraid I cannot access man pages, 'cause I'm running windows. Could you possible supply me a copy?
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Old December 24th, 2001, 01:00 PM
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It might already be installed on your system. Just put "use Data:umper" in your script and see if it throws out an error.

You can find man pages online at www.perldoc.com

The specific one you want is:
http://www.perldoc.com/perl5.6.1/lib/Data/Dumper.html
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Old December 24th, 2001, 01:13 PM
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Not to sound too impatient, but if you're using ActiveState (which most likely you are, if you're doing perl coding on windows), all the perl documentation is included in a standard install. No need to go online.

Data:umper is also included with ActiveState.
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Old December 24th, 2001, 01:21 PM
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My thanks to you. I'm sorry for my questions, just starting to get a hang on this stuff. You know what they say, "there are no stupid questions, only stupid people"
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Old December 24th, 2001, 07:51 PM
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You can always use ppm to install most perl modules in windows anyway (type 'ppm' from the command line). Data::Dumper is a very nice one to have installed at all times.
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