#!/usr/bin/perl
use strict;
use autodie;
use warnings;
use File::Compare;
use File::Basename;
no warnings 'once';

foreach my $file (@ARGV) {
  if (-e $file) {
    my $data = process_file($file);
    open(MYOUTPUTFILE, "+>$file.bak") or die "Error opening output file $!";
    print MYOUTPUTFILE $data;
    close(MYOUTPUTFILE);
    if (compare($file, "$file.bak") != 0) {
      print "Processed $file\n";
    }
    unlink $file;
    rename "$file.bak", $file;
  }
  
}
sub process_file {
  my($filename) = "$_[0]";
  open(MYINPUTFILE, "<$filename") or die "x $!";
  my($data) = "";
  while(<MYINPUTFILE>) {
    s/\s*$//;
    my($line) = $_;
    if($line !~ /^\s*$/) {
      $data = $data . "$line\n";
    }
  }
  close(MYINPUTFILE);
  chomp($data);
  if ($data !~ /^\s*\/\*\*/) {
    my $basename = basename($filename);
    $data = "/**\n * \@file $basename\n * \@author Austen Adler (agadler)\n * TODO: Description\n */\n$data";
  }
  return $data;
}