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Geting the output of an external program

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Submitted on: 7/18/2003 8:47:55 PM
By: Bruno Martins 
Level: Beginner
User Rating: By 2 Users
Compatibility:5.0 (all versions), Active Perl specific, 4.0 (all versions), 3.0 (all versions), Pre 3.0

Users have accessed this article 889 times.
 
(About the author)
 
     This shows a simple way of running an external program from perl scripts and geting the output of this program to a scalar/array variable.

 
 
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If you want to run an external program from your perl scripts and you want to store the output in a variable, instead of using for example:

system ("ls");

do:

$a=`ls`;

like this the output from "ls" will be stored in the variable $a. If you want to store the result in an array, do: @a=`ls`;

be careful it's `ls` and not 'ls'

like this, each line of the output will be stored in a position of the array.
If you find this useful, vote on me, thank you


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Other User Comments
7/19/2003 11:50:17 AM:FunnyPic Huh
I mix up ' with ` but you got my vote
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