OK!

my script works! But when I use:

my $rvar = <STDIN>;

I have the same problem! Jesus, that's a hard one :-)


Greetz...

David Gray wrote:

>>An update on previous post...
>>It seems that I typed some errors :-(
>>
>>This is a small rewrite of my script...
>>#!/usr/bin/perl
>>
>>use warnings;
>>
>>my $var  = "test";
>>my $rvar = "\$interface";
>>my $cmd  = "int \$interface\n";
>>
>>print "$var\n";
>>print "$cmd\n";
>>
>>$cmd =~ s/$rvar/$var/g;
>>
>>print "$cmd\n";
>>
>>If you run this, the $interface in the variable $cmd isn't 
>>replaced by 
>>test...
>>
>>Why?
>>
>
>If you change
>
>my $rvar = "\$interface";
>
>To
>
>my $rvar = '\$interface';
>
>It works like I think you want it to. The reason it wasn't working
>before is because the regex was seeing:
>
>$cmd =~ s/$interface/test/;
>
>Because when you declared $rvar, it saved the string '$interface', which
>then got interpolated by the regular expression.
>
>HTH,
>
> -dave
>
>
>



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