NAME

Archive::Parity - makes parity file; recover files.

SYNOPSIS

use Archive::Parity;

# to make a parity file from a list of files:
Archive::Parity::do_parity (out_filename, filename1, filename2, filename3);

# to recover a lost file:
# use the same command, placing the lost file name in front of the list:
Archive::Parity::do_parity (filename1, out_filename, filename2, filename3);

The parity file must have a ".par" extension.

TODO

object interface.
try not to overwrite outfile; do not allow repeated filenames.
save filename;
check errors.
memory operation for small files.
Test with different chunk sizes.
check_parity just to check if everything is ok.
write 'usage' for eg/do_parity.pl

HISTORY

0.06 'use vars' instead of 'our'
     make a proper module instead of 'zip'

AUTHOR

Flávio Soibelmann Glock - fglock@pucrs.br