my %CFG = ();
# See if you can guess what this is for
sub getCfg
{
        my $Cfg = shift;
        my $cfg = shift;
        my $cFg = $Cfg;
        my $CFg = $ENV{CFG};
        my $cFG = $ENV{ $Cfg };

        die "CFG is not defined $!" if not defined( $CFg );
        return $cFG if defined( $cFG );
        $cFG = $ENV{ "CFG_" . $Cfg };
        return $cFG if defined( $cFG );
        if( scalar( %CFG ) < 1 ) {
           tie %CFG, 'Tie::Cfg', READ => $CFg;
        }
        foreach $cfg (keys %CFG) {
           my $cfG = "CFG_" . $cfg . "_" . $CFG{$cfg} . "_" . $cFg;
           $cFG = $ENV{ $cfG };
           return $cFG if defined( $cFG );
           foreach my $CfG (keys %CFG) {
              if( $CfG ne $cfg ) {
                 $cfG = "CFG_" . $cfg . "_" . $CFG{$cfg} . "_"
                       . $CfG . "_" . $CFG{$CfG} . "_" . $cFg;
                 $cFG = $ENV{ $cfG };
                 return $cFG if defined( $cFG );
              }      
           }
        }
        $cFG = cfg( $Cfg );
        return $cFG;   
}

sub cfg
{
        my $env = shift;
        my $Env =     0;
        my $eNv = undef;
        my $enV = undef;
        foreach $eNv (keys %ENV) {
          $Env ++ if( $eNv =~ ".*${env}\$" );
          $enV = $eNv if $Env == 1 and not defined( $enV );
          die "\n$env is ambiguous $!\n" if $Env > 1;
        }
        if( $Env == 1 ) {
          return $ENV{ $enV };
        }
        return undef;
}

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In reply to Cfg by unasoft

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