StormLib MPQ (SMPQ) archiving utility.
SMPQ is designed for full manipulating with Blizzard MPQ archives. SMPQ can
create archives, as well as extract, append, rename, and delete files within
MPQ archives. Support for encrypted, versioned, and different types of archives
is included. SMPQ is a free, open-source command-line utility written in C/C++,
utilising the multiplatform C++ library, StormLib.

See `man 1 smpq` or `smpq --help` for more information.