SPUG: interpolating into a string variable
Brian Hatch
bri at ifokr.org
Sun Dec 21 00:13:48 CST 2003
> Let's say we have a string variable. In practice it's read in from a file,
> but it could be a constant. And what we want to do is force interpolation
> into it before we use it for something like... ooooh, a regex. So,
> something like this:
>
>
> my $foo_str = 'foo';
>
> my $expr = 'a $foo_str happens here';
>
> my $interpolated_expr = something magic happens to $expr;
>
> and then if you print "$interpolated_expr\n"; you would get
>
> a foo happens here
my $interpolated_expr;
eval "\$interpolated_expr = \"$expr\"; ";
(Hope I didn't miss any backslashes.)
--
Brian Hatch Failure is not an option.
Systems and It comes preinstalled
Security Engineer with the software.
http://www.ifokr.org/bri/
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