/usr/share/perl5/Rex/Helper/Hash.pm is in rex 1.4.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# (c) Jan Gehring <jan.gehring@gmail.com>
#
# vim: set ts=2 sw=2 tw=0:
# vim: set expandtab:
package Rex::Helper::Hash;
use strict;
use warnings;
our $VERSION = '1.4.1'; # VERSION
require Exporter;
use base qw(Exporter);
use vars qw(@EXPORT);
@EXPORT = qw(hash_flatten);
sub hash_flatten {
my ( $in, $out, $sep, @super_keys ) = @_;
if ( ref($in) eq "HASH" ) {
for my $key ( keys %{$in} ) {
push @super_keys, $key;
if ( ref( $in->{$key} ) ) {
hash_flatten( $in->{$key}, $out, $sep, @super_keys );
}
else {
my $new_key_name = join( $sep, @super_keys );
$new_key_name =~ s/[^A-Za-z0-9_]/_/g;
$out->{$new_key_name} = $in->{$key};
}
pop @super_keys;
}
}
elsif ( ref($in) eq "ARRAY" ) {
my $counter = 0;
for my $val ( @{$in} ) {
if ( ref($val) ) {
push @super_keys, $counter;
hash_flatten( $val, $out, $sep, @super_keys );
pop @super_keys;
}
else {
my $new_key_name = join( $sep, @super_keys ) . "_$counter";
$new_key_name =~ s/[^A-Za-z0-9_]/_/g;
$out->{$new_key_name} = $val;
}
$counter++;
}
}
}
1;
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