use strict;
my $input;
my $title = '::';

while (1) {
  print q(Parse? );
  chomp($input = <STDIN>);
  exit 1 if $input =~ /n(?=o)?/i;
  do_map(do_parse(do_start())) if $input =~ /y(?=es)?/i;
  print qq(Yes or no, dumbass.\n);
}

sub do_start {
  print qq(File: );
  while ($input = <STDIN>) {
    chomp;
    -r $input and last;
    print qq(That isn't a file.\nFile: );
  }
  return 1;
}

sub do_parse {
  die unless shift; # should never die here <.<
  open(FILE,qq(<$input)) or die; # same as above
  my (@raw,%hash,$last);
  push(@raw,chomp($_)) while <FILE>;
  close(FILE) or die; # may die here, whatever
  foreach my $var (@raw) {
    if ($var =~ /^$title/i) {
      $var =~ s/^$title(.*)/$1/i;
      $last = $var;
      $hash{$last} = [];
      next;
    }
    push(@{$hash{$last}},$var);
  }
  return \%hash;
}

sub do_map {
  my $hash = shift;
  map {
    print qq(\u$_ tables:\n);
    foreach my $dl (@{$hash->{$_}}) {
      print q( ) x length $_, q(         );
      print $dl;
    }
  } keys %$hash;
}