amidi --version (return code: 0)
amidi version 1.1.0
amidi --help (return code: 0)
Usage: amidi options
-h, --help this help
-V, --version print current version
-l, --list-devices list all hardware ports
-L, --list-rawmidis list all RawMIDI definitions
-p, --port=name select port by name
-s, --send=file send the contents of a (.syx) file
-r, --receive=file write received data into a file
-S, --send-hex="..." send hexadecimal bytes
-d, --dump print received data as hexadecimal bytes
-t, --timeout=seconds exits when no data has been received
for the specified duration
-a, --active-sensing don't ignore active sensing bytes