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Perl Circus - Perl Tricks, Tips And Traps. Hashes, unlike arrays, have no predictable order. The trick is to grab the keys off the hash (using Perl's keys function) and then sort that into a nice ...
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Perl Circus - Perl Tricks, Tips And Traps. Create a hash from a list or an array ... Perl builds the hash for you, using the first list element as a key, and the next as a value (and so-on). ...
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Perl Circus - Perl Tricks, Tips And Traps. Perl uses "context" to do different things in similar situations. Unfortunately this can be as ..... Removing duplicate array items while preserving order ...
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Perl Circus - Perl Tricks, Tips And Traps. In fact Perl will keep hashes in any order it pleases (based on memory ... cmp $hash{$b}} keys %hash; foreach (@keys) { print "$_=>$hash{$_}, "; } ...
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Perl Circus - Perl Tricks, Tips And Traps. Nov 8, 2006 ... perl can format that into something a little more human-readable using the sprintf function (you might have expected a simple "round" ...
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Perl Circus - Perl Tricks, Tips And Traps. Nov 8, 2006 ... Perl inherited a bit of C-like syntax from its family-tree and the sprintf function is one example. Like its close relative printf this ...
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Perl Circus - Perl Tricks, Tips And Traps. In Perl, the patterns described by regular expressions are used to search .... Using this pattern we are now counting non-white-space characters that follow ...
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Perl Circus - Perl Tricks, Tips And Traps. Perl Circus is a programmer's collection of tricks, tips and traps.
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Perl Circus - Perl Tricks, Tips And Traps. Perl Circus is a programmer's collection of tricks, tips and traps.
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Perl Circus - Perl Tricks, Tips And Traps. This involves three steps: first we use Exporter, then we declare that our script "IS A" Exporter too by putting the Exporter name in our special "ISA" ...
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