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Re: How does this code work? (from "Perl is Unix")

by Aristotle (Chancellor)
on Nov 07, 2009 at 03:35 UTC ( #805614=note: print w/replies, xml ) Need Help??

in reply to How does this code work? (from "Perl is Unix")

Just for completenessí sake, that strip function code is a condensed syntactic (near) equivalent of this function:

sub strip { my @r = @_; for ( @r ) { s/\A\s+//; s/\s+\z//; } return @r; }

But I didnít want to spend 6 lines on a routine that is completely incidental to the main point of the code, and which I put there only to emulate the exact behaviour of the Ruby and Python counterparts. If it were in a module with string functions, I would write it in the long-hand form. Programming is writing and code is literature. Sometimes you need to linger on the details and sometimes they would only derail the pacing.

Makeshifts last the longest.

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