Re: Why can't $` $& $' be enabled on a per-regex basis?

They're globals, so local has an influence:

perl -e'$_="fafbfc";/fc/;{local $`;/bf/;print $`,$/} print $`, $/'
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prints:

faf
fafb

After Compline,
Zaxo

Comment on Re: Why can't $` $& $' be enabled on a per-regex basis? Download Code

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Re: Re: Why can't $` $& $' be enabled on a per-regex basis? by Courage (Parson) on Aug 10, 2002 at 06:45 UTC
Actually the point of a question was trying to invent a way to optionally provide those variables on demand, and not how it is done now - once seen in a script, those variables are provided for every regex, thus slowing program down significantly. That question sometimes arise on p5p, and, as I remember, an answer is probably because all bits for modifiers are occupied, and there is no way to add another one without enlarging corresponding C struct. Courage, the Cowardly Dog	[reply]

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Re: Re: Why can't $` $& $' be enabled on a per-regex basis?
by Courage (Parson) on Aug 10, 2002 at 06:45 UTC

That question sometimes arise on p5p, and, as I remember, an answer is probably because all bits for modifiers are occupied, and there is no way to add another one without enlarging corresponding C struct.

Courage, the Cowardly Dog

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