Options and their meanings are:
-I Identify program and exit.
-i item Select input item.
-S Output data as sample numbers.
-T Output data as times in seconds. (default)
-c Output data as cumulative time positions rather than period durations.
-t type Select output file format. Available are: PRAAT or ASCII (default).
-o datafile Store the contents of the data set in the file datafile rather than listing them on the standard output.
TX Any Tx item.