slackbuilds_ponce/misc/par2cmdline

par2cmdline (Commandline implementation of PARv2.0 specification)

par2cmdline is a GPL-licensed commandline tool for creating and using PAR2
parity sets to detect damage in files and repair them if necessary. The
program uses Reed Solomon Coding to perform its error correction. A useful
program for checking and ensuring the integrity of binaries retrieved from
usenet for instance.