extract_a52 -V (return code: 1)
extract_a52: invalid option -- '-'
usage: extract_a52 [-s <track>] [-t <pid>] <file>
-s set track number (0-7 or 0x80-0x87)
-t use transport stream demultiplexer, pid 0x10-0x1ffe
extract_a52 --help (return code: 1)
extract_a52: invalid option -- '-'
usage: extract_a52 [-s <track>] [-t <pid>] <file>
-s set track number (0-7 or 0x80-0x87)
-t use transport stream demultiplexer, pid 0x10-0x1ffe