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Re^2: Localizing hash keys in an AoH

by kennethk (Abbot)
on Mar 15, 2013 at 21:05 UTC ( #1023778=note: print w/replies, xml ) Need Help??

in reply to Re: Localizing hash keys in an AoH
in thread Localizing hash keys in an AoH

So string eval works so long as the entire trailing code block is in the string, which gets pretty clunky for one scenario I'm dealing with. But it works, which is better than I've gotten on my own.
#!/usr/bin/perl use strict; use warnings; use Data::Dumper; my @data = ( {unit => 'S', value => 50, }, {unit => 'T', value => 60, }, {unit => 'Q', value => 70, }, ); LOCAL_BLOCK: { my $cmd; $cmd .= "local \$data[$_]{unit} = 'S';\n" for 0 .. $#data; $cmd .= 'print Dumper \@data'; eval $cmd; } print Dumper \@data;

I'll do some digging on the cited modules, to see if they work in my context.

#11929 First ask yourself `How would I do this without a computer?' Then have the computer do it the same way.

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