irdadump -version (return code: 0)
Version: 0.9.17 (19.02.2006) Dag Brattli/Jean Tourrilhes
irdadump --help (return code: 1)
irdadump: invalid option -- '-'
Usage: irdadump [-d] [-x] [-b] [-s <n>] [-c <n>] [-p] [-i device] [-o log]
-d Print diffs
-l Set line buffering on output file.
-s <n> Set snaplen for -x & -b
-x Dump frame (bytes + ascii)
-b Dump bytes in columns
-c <n> Set number of colums for -b
-p <n> Disable parsing/decoding
-i device IrDA port to listen on
-w log Writes out raw capture file
-v Print version number and exit
-r log Read from raw capture file