RE: Removing a specific value from a hash whose keys contains multiple values

[david]

Sophia Corwell wrote:

> Sorry about that...
> 
> Here is an example:
> 
> Here is what my hash looks like:
> 
> %compilers = (
>    system1 => ['compiler_a'],
>    system2 => ['compiler_b',
> 'compiler_c','compiler_d'],
>    system3 => ['compiler_e'],
> );
> 
> Now, if I want to delete just the 'compiler_c' value
> from the system2 key, can I use the delete function or
> the pop function?

have you try:

#!/usr/bin/perl -w
use strict;

my %compilers = (
   system1 => ['compiler_a'],
   system2 => ['compiler_b','compiler_c','compiler_d'],
   system3 => ['compiler_e'],
);

splice(@{$compilers{system2}},1,1);

while(my($key,$ref) = each %compilers){
        print "$key: @{$ref}\n";
}

__END__

prints:

system2: compiler_b compiler_d
system1: compiler_a
system3: compiler_e

david

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