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  1. or download this
    $user = $file;
    
  2. or download this
    chdir("$hdir/$user") || die "Cant Change to directory $hdir/$user: $!\
    +n";
    
  3. or download this
    my $number = <STDIN>;
    chomp $number;
    ...
    my $user = $ulist[$number];
    
    chdir("$hdir/$user") || die "Cant Change to directory $hdir/$user: $!\
    +n";