#!/usr/bin/perl -w

# $Id: faxview.th,v 1.1 1998/08/31 20:25:37 gert Exp $
# Program for handling gziped and tarred g3 files
#
# use together with "new_fax.th"
#
# Torsten Hilbrich <Torsten.Hilbrich@gmx.net>

# The FAX viewer
my $viewer="/opt/kde/bin/kfax";

# First let's define a function that determines the filetype
sub type($) 
{
  my $file = shift;

  open TYPE, "file \"$file\"|"
    or die "Could not exec file for $file";
  my @ret = <TYPE>;
  close TYPE;

  return join "", @ret;
}
	
# A temp directory 
my $tmp = "/tmp/faxview-$$";
mkdir $tmp, 0755
  or die "Unable to create temp directory $tmp";

# The array files contains all files to be viewed
my @files;

# Step through the command line argument
my $file;
foreach $file (@ARGV) {
  # Ignore non existing and unreadable files
  -f $file && -r $file or next;

  my $steps = 0;
  $steps++;
  # Check for gzip compressed files
  if(type($file) =~ /compressed/) {
    my $newname = "$tmp/gzip-$steps";
    system("gzip -dc \"$file\" > \"$newname\"") == 0
      or die "Unable to unzip $file into $tmp";
    $file = $newname;
    redo;
  }
  if(type($file) =~ /tar/) {
    my $tempdir = "$tmp/tar-$steps";
    mkdir $tempdir, 0755
      or die "Unable to create temp directory $tempdir";
    chdir $tempdir;
    # Extract the file right here
    system("tar xf \"$file\"") == 0
      or die "Problem while unpacking tar archive $file";
    # Add these files to @files
    open READ, "tar tf \"$file\"|"
      or die "Unable to read tar archive $file";
    while(<READ>) {
      chop($_);
      push @files, $_;
    }
    close READ;
    next;
  }
  push @files, $file;
}

system($viewer, @files) == 0
  or die "Problem while calling the fax viewer $viewer";

END {
  defined $tmp and
    system("rm -fr \"$tmp\"");
}