Matlab extract .zst Zstd compressed files

extract_zstd.m

function extract_zstd(archive, out_dir)
% extract a zstd file "archive" to "out_dir"
arguments
  archive (1,1) string {mustBeFile}
  out_dir (1,1) string {mustBeFolder}
 end

tar_arc = tempname;

ret = system("zstd -d " + archive + " -o " + tar_arc);
assert(ret == 0, "problem extracting %s", archive)

untar(tar_arc, out_dir)
delete(tar_arc)

end