jack-record -V (return code: 1)
jack-record: invalid option -- '-'
jack-record: illegal option, ?
Usage: jack-record [options] sound-file
-b N : Ring buffer size in frames (default=4096).
-f N : File format (default=0x10006).
-m N : Minimal disk transfer size in frames (default=32).
-n N : Number of channels (default=2).
-o N : Jack port source offset (default=0).
-p S : Jack port pattern to connect to (default=nil).
-s : Write to multiple single channel sound files.
-t N : Set a timer to record for N seconds (default=-1).
jack-record -h (return code: 1)
Usage: jack-record [options] sound-file
-b N : Ring buffer size in frames (default=4096).
-f N : File format (default=0x10006).
-m N : Minimal disk transfer size in frames (default=32).
-n N : Number of channels (default=2).
-o N : Jack port source offset (default=0).
-p S : Jack port pattern to connect to (default=nil).
-s : Write to multiple single channel sound files.
-t N : Set a timer to record for N seconds (default=-1).