#! /usr/bin/perl -w

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

use utf8;
use encoding 'utf8';
use open ':utf8'; # input and output default layer will be UTF-8
use POSIX;
my (@toc_p, @toc_c, @toc_t, @toc_s);
my $toc_n=0;

sub rm_toc_stubs {
  my $fn=shift;
  my $n=$fn;
  $n=~s/_([^\/]*)//g;
  if ($n ne $fn) {rename $fn, $n or die "could not rename"}
  return $n;
}
sub recursive_plus {
  my $dir=shift;
  my $func= shift;
  my $i="";
  my $j;
  my @a;
  $i=&$func ("$dir") unless ($dir eq "." or $dir eq "./");
  if ($i) {$dir=$i}
  opendir D, $dir;
  @a=readdir D;
  @a=grep {
    ($_ ne ".") && ($_ ne "..") && ($_ ne "+")
  } @a;
  @a=sort @a;
  foreach $i (@a) {
	$j=$dir."/".$i;
	$j=~s/\/\//\//; # remove repeated //
	$j=~s/^\.\///; # remove leading ./
	$j=~s/\/$//; # remove tailing /
	if (-d $j) {recursive_plus("$j",$func);}
	else {&$func ("$j");}
  }
  closedir D;
}
sub cd_th {
  my $pwd=getcwd();
  do {
    if (-d "+") {return $pwd;}
    chdir("..");
    $pwd=getcwd();
  }until ($pwd eq "/");
  return 0;
}

my $prefix;
$prefix=cd_th() or die "Could not found Thwab control + directory";
printf "@<%s>\n",$prefix;
&recursive_plus (".", \&rm_toc_stubs);
