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Re^3: Check exist of anonymous subroutine before calling it within regexp substitute?

by kyle (Abbot)
on Oct 30, 2009 at 02:53 UTC ( #804096=note: print w/replies, xml ) Need Help??


in reply to Re^2: Check exist of anonymous subroutine before calling it within regexp substitute?
in thread Check exist of anonymous subroutine before calling it within regexp substitute?

I often write s/// replacements (and m// matches) with braces, mostly because I don't have to escape slashes, and I don't even have to escape braces as long as they're nested. It's not unusual that I want to match a string with a slash in it (usually a file path), so I find using any "not slash" as delimiters useful.

That said, I don't make a habit of changing delimiters in existing code. I probably would have stayed with slashes in my reply here if not for the /e flag. Since the replacement is being executed as a code block, I think it's good to make it look like a code block.

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[Lady_Aleena]: james28909, what neat trick?
[james28909]: now if i have packed a script into a PDK exe, and misplaced the source, i can print it.
[james28909]: but you have to prepare for it first by adding this to the source
[james28909]: seek DATA, 0, 0; while (<DATA>) { print; }
[Lady_Aleena]: Sounds interesting. Have you written a meditation or cool use for it?
[Lady_Aleena]: It might be something PerlMonks at large would be interested in.

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