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return via hash reference

by kp2a (Sexton)
on Jan 26, 2013 at 01:19 UTC ( #1015439=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    
    #! /usr/bin/perl -w
    ...
    }
    
    1;
    
  2. or download this
    #! /usr/bin/perl -w
    use strict;
    ...
        exit;
    }
    printhash(\%hash,"hash returned from getsnmp");
    
  3. or download this
    getsnmp: entry debug 1
    getsnmp: return value
    ...
    
    hash returned from getsnmp
    

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Node Type: perlquestion [id://1015439]
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[ambrus]: The main loop for unixish systems is in https://metacpan. org/source/ KARASIK/Prima-1. 49/unix/apc_app.c. It is a hand-rolled select loop, but also always spins at least once every 0.2 seconds for some reason.
[ambrus]: marto: no, not that way. if you just want to test for an existing id attribute, then write *[@id] , or you can match a regexp to the value of that attribute like *[@id=~/something/ ]
[marto]: ambrus, thanks I ended up going with '//*[starts- with(@id, "thread_")]...
[ambrus]: Sometimes it's easier to just match elements in ways other than xpath, like directly with perl code.

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