Reads a column from a file starting at -x +1 and writes -l values. Output file file_select.
-l number of values to be read (all)
-x number of values to be skipped (0)
-m number of columns to be read (1)
-c columns to be read (1)
-o output file name, just -o means file_select
-V verbosity level (0 = only fatal errors)
-h show this message