John W. Krahn said:
> Harry Putnam wrote:
>>
>> ./example2.pl -s '(some)(.*$)' '$1one'
> ^^^^^
> That won't work because it be interpreted as the variable $1one instead
> of the variable $1 followed by the string 'one'. You need to put parens
> around the variable name like this:
>
> ./example2.pl -s '(some)(.*$)' '${1}one'
Actually, you don't. The reason being that (your) variables are not
allowed to start with a number. However, putting the braces there does no
harm. You can argue amongst yourselves concerning the legibility or
otherwise of the different constructs ;-)
--
Paul Johnson - [EMAIL PROTECTED]
http://www.pjcj.net
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