Simple notch filter in the time domain. Output file file_notch.
-X frequency to be cancelled
-f sampling rate of data (1)
-w width of filter (f/100)
-l number of values to be read (all)
-x number of values to be skipped (0)
-c column to be read (1 or file,#)
-o output file name, just -o means file_notch
-V verbosity level (0 = only fatal errors)
-h show this message