.. _-ocols_full:

**-o**\ *cols*\ [,...]
    Select specific data columns for primary output, in arbitrary order. Columns
    not listed will be skipped. Give columns (or column ranges
    in the format *start*\ [:*inc* \]:*stop*, where *inc* defaults to 1 if
    not specified) separated by commas.  Columns may be repeated.
    [Default writes all columns in order].
