in reply to Transform hash elements into a string

join is handy for this sort of thing. 
#! /usr/bin/perl

use strict;
use warnings;

my %hash = (
  'description' => '$description',
  'new-role-name' => '$new-role-name',
  'role-name' => '$role-name',
);

my $param = join(q{, }, map{qq{$_ => $hash{$_}}} keys %hash);

print $param;

[download]
role-name => $role-name, new-role-name => $new-role-name, description 
+=> $description

[download]

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Re^2: Transform hash elements into a string
by FloydATC (Deacon) on Aug 20, 2010 at 11:26 UTC
    I usually do it with join() too but write it out in plain code simply because I find map{} more confusing than it's worth: 

    my @pairs = ();
while ( my ($key,$value) = each %hash) {
  push @pairs, $key . ' => ' . $value;
}
print join(', ', @pairs);

    [download]

    -- Time flies when you don't know what you're doing
[reply]
[d/l]

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