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Re: What Perl Source File do I Edit?

by JavaFan (Canon)
on Oct 31, 2011 at 09:41 UTC ( #934859=note: print w/replies, xml ) Need Help??


in reply to What Perl Source File do I Edit?

I find cat an excellent tool to find out what's in each file.

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Re^2: What Perl Source File do I Edit?
by anneli (Pilgrim) on Oct 31, 2011 at 10:50 UTC

    True; though when it comes to editing them, nothing beats ed!

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[Cosmic37]: now I have tried another blunder - can anyone explain why I am such a dunderhead?
[Cosmic37]: if ( $line =~ /$mydt/ ) { print $line; }
[Cosmic37]: I try to match successive date times stored in variable $mydt
[Cosmic37]: I guess it is searching for the string "$mydt"
[Corion]: Indeed cool, erix ;)
[Cosmic37]: rather than the value of $mydt which is a date time strong such as 2016-01-01 12:30:56
[Corion]: Cosmic37: No, but maybe $mydt doesn't contain what you think it does, or it contains characters that are special in a regular expression? Try if( $line =~ /\Q$mydt\E/) { ... for a literal match
[Cosmic37]: I mean string grrr
[Corion]: Maybe add an else branch in which you print what the values of $line and $mydt are?
[Cosmic37]: ah thank you I will try

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