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1) You may use
this article in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
2) You MAY NOT redistribute this article (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.
3) You may link to this article from another website, but ONLY if it is not wrapped in a frame.
4) You will abide by any additional copyright restrictions which the author may have placed in the article or article's description. | 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 | |
Other 3 submission(s) by this author
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See Voting Log | | | | 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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