[Israel.pm] Using variables

Amir E. Aharoni amir.aharoni at gmail.com
Tue Jan 6 08:57:12 PST 2009


2009/1/6 bc.other <bc.other at gmail.com>:
> OK, I will explain
>
> I got 2 variables: $var1 = 100 and $var2 = 200
> And I got another variable $digit = 1
>
> I need a way to print $var1 using $digit and string "var"
> I tried ${"var" . $digit} but it didn't work for me,
> I tried $var{$digit} - but it will try look for hash value - nnoooo
> I tried $var${digit} - but it's an error mistake....:-(
>
> The reason I need it, because I need to loop on different variables (same
> name, different digits)
> and check their value against something....and I wanted to do that using a
> for/while loop...

I believe that it's possible to do it with references, but i don't
have Perl on this machine to test it.

But seriously, do yourself a favor and simply use an array or a hash instead.

-- 
Amir Elisha Aharoni

heb: http://haharoni.wordpress.com | eng: http://aharoni.wordpress.com
cat: http://aprenent.wordpress.com | rus: http://amire80.livejournal.com

"We're living in pieces,
 I want to live in peace." - T. Moore



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