use English '-no_match_vars';
open $input_fh, '<', $input_fn or die 'Could not open file: ', $OS_ERROR;
my $hash;
while ( my $line = <$input_fh> ) {

    chomp $line;
    
    last if ! $line;
    
    # Split line with a limit of two
    my ( $word1 , $word2 ) = split /:/, $line, 2;  
    $hash->{$word1} = $word2;   
}
close $input_fh or die 'Could not close file: $OS_ERROR';

##</code><code>##

my $output = *STDOUT;

##</code><code>##


## This in a package else where
## 'inside-out obj'
sub assign_log_handle {
   my $self = shift;
   $log_handle->{$self} = shift;
   return;
}

## From main code
Your::Package->assign_log_handle( *STDERR );