trim - removes extra white space from the columns of a table. `trim` [-i *input*] [-o *output*] [*column*]
trim removes extra white space that may have been placed in a table by
justify. It trims white space from the beginning and ends of column values.
Any white space in the middle of a column value is unmodified.
All of the options of the column program are also availabe with trim.
dashline print the dashline from a starbase data table.