#######do-backup############################
#!/usr/bin/perl -w
use strict;
use IPC::Open3;
use IO::Handle;
use File::Path;
use File::Copy;
$|=1;

my $basename = 'root_full';
my $backupdir = '/tmp/dar';  
my $backuploc = "$backupdir/$basename";  

if (! -d $backupdir){ mkpath($backupdir) || die "no permission to $backupdir? $!"}

my $lead = 'Adding file to archive: ';
my $rx = qr/\Q$lead\E(.*)/;
my $lead1 = 'Insert blank';
my $rxlog = qr/\Q$lead1\E(.*)/;

my $darlog = 'dar.log';
open(LOG,">$darlog") or die $!;

my @darvars = qq( -c $backuploc -s 50M -S 45M -v -E './cdwrite %p/%b.%n.dar %b %n' -b -z -R / -X "*~" -X ".*~" -X "*.e2fs"
 -X "*.dar" -P 1saves -P dev/pts -P proc -P 1 -P 1out -P bin -P boot  -P c -P dev -P home -P lib -P mnt -P opt -P root -P
sbin -P svr -P tmp -P usr -P var -Z tgz -Z gz -Z bz2 -Z zip -D);
my $cmd = "dar @darvars";

my $pid = open3(Symbol::gensym, my($get_output),0,$cmd );

while(my $output = <$get_output>) {
print "output->$output";
print LOG $1 . chr(1) if $output =~ /$rx/;
if($output =~ /$rxlog/){LOG->autoflush(1);print LOG "\n"}
}

waitpid( $pid, 0 ) or die;
$? and die;
close LOG;

print "\n\e[1;34mDone with slice creation
               Will create catalog now\e[0m\n\n";
createcat();
print "\e[1;34mFinished\e[0m\n";

exit;

#########################################################################

sub createcat{
if (! -d 'etc/dar'){ mkpath('etc/dar') || die "no permission to /etc/dar ? $!"}

  print "\e[1;34mPlease insert cd number 1
Press Enter when ready\e[0m\n";
my $ok =<>;
#system('mount', '-t','ext2','/dev/sr0',$backupdir); #for real writes
system('mount', '-t','ext2','-o','loop','image1.e2fs',$backupdir);

my $leadcat = 'The last file';
my $rxcat = qr/\Q$leadcat\E(.*)/;

@darvars = qq(-A $backuploc -C $basename.'catalog');
$cmd = "dar @darvars";
my $pid1 = open3(Symbol::gensym, my($get_output),0,$cmd );

while(my $output = <$get_output>) {
print "output->$output";
if($output =~ /$rxcat/){
           system('eject','/dev/sr0');
system('umount','-f','-d',$backupdir);
system('mount', '-t','ext2','-o','loop','image3.e2fs',$backupdir);
           print "\e[1;34mPlease insert last cd of set
Press Enter when ready\e[0m\n";

         }
}

waitpid($pid1, 0 ) or die;
$? and die;

move("$basename.catalog.1.dar","/etc/dar/$basename.catalog.1.dar");

system('umount','-f','-d',$backupdir);
}
#######__END__ of do-backup################################


###########cdwrite######################################

#!/usr/bin/perl -w
use strict;
use File::Copy;
use File::Path;
$|=1;
my $backupdir = '/tmp/dar';

my $numcopies = 1;
my $filename ='';
my $basename = '';
my $number = '';
unless ($filename = shift){die "no filename to burn $!\n"}
unless ($basename = shift){die "no basename given $!\n"}
unless ($number = shift){die "no cd number given $!\n"}

print "\e[1;34mcdwrite->filename: $filename\e[0m\n";
print "\e[1;34mcdwrite->basename: $basename\e[0m\n";
print "\e[1;34mcdwrite->number: $number\e[0m\n";

my $count = 60;

my $mntloc = 'tmp/dar/writemnt';
if (! -d $mntloc){ mkpath($mntloc) || die "no permission to $mntloc? $!"}

#this seems to work for the 650m chunks 
print "\n\e[1;34mCreating empty image.e2fs \e[0m\n";
system ('dd','if=/dev/zero','of=image.e2fs','bs=1024k',"count=$count");
print "\n\e[1;34mMaking ext2 filesystem on image.e2fs\e[0m\n";
system ('/sbin/mke2fs','-F','-b 2048','image.e2fs');
print "\n\e[1;34mMounting image via loop\e[0m\n";
system ('mount','-text2','-oloop','image.e2fs',"$mntloc");
print "\n\e[1;34mCopying files to image.e2fs\e[0m\n";

foreach('./restore','dar_static'){
my $result = copy($_,"$mntloc/$_");
 if($result == 0){last}
}

#system('cp',$filename,"$mntloc/$basename.$number.dar"); 
copy($filename,"$mntloc/$basename.$number.dar");

&cdwriteout();

#unlink 'image.e2fs';      #delete images and slices unless first slice  
#if($number > 1){unlink "$backupdir/$basename.$number.dar"} #(for catalog creation later) 

#####if you have room to save your images's 
my $old = 'image.e2fs';
my $new = 'image'.$number.'.e2fs';
rename $old,$new;


#rmdir $mntloc or warn $!; 

exit;
###############################################################3 
sub cdwriteout{
print "\n\e[1;34mDoing cdwrite\e[0m\n";
system('umount','-f','-d',$mntloc);

for(1..$numcopies){
#  system('eject','/dev/sr0'); 
   print "\n\e[1;34mInsert blank cdrom labeled $number then press enter when drive is ready\e[0m\n";
     {
       local *STDIN;
       open( STDIN, "< /dev/tty" );
       my $ok = <STDIN>;
     }

#use -dummy to test 
#system('cdrecord','-v','-dummy','-eject','speed=40','dev=1,0,0','image.e2fs'); 
}
}