Re: [FWP] Greenhorn coding question

["Roderick A. Anderson" <raanders@altoplanos.net>]

Thanks to all and sorry for the inappropriate posting.

On Tue, 6 Jul 1999, Brand Hilton wrote:

> In fact, this is exactly the point being made in that entry of
> perlfaq4.  Quoting:
> 
>      How can I expand variables in text strings?
> 
>      Let's assume that you have a string like:
> 
>          $text = 'this has a $foo in it and a $bar';
> 
>      If those were both global variables, then this would
>      suffice:

I must have an old faq (RHL 5.2) or I'd have seen this and done more
research.

> 
>          $text =~ s/\$(\w+)/${$1}/g;  # no /e needed
> 
>      But since they are probably lexicals, or at least, they
>      could be, you'd have to do this:
> 
>          $text =~ s/(\$\w+)/$1/eeg;
>          die if $@;                  # needed /ee, not /e
> 
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--
Roderick A. Anderson
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