~output Option trim_blanks for Outputting Variable Length ASCII Files

The trim_blanks option on the ~output statement is used to output variable length, rather than fixed length ascii records. The default is to output fixed length records. This option is only allow on ascii output files.

Example spec:

~comment&trim.doc~input trim1.asc ascii=80~output trim2.asc ascii write_now~input trim1.asc ascii=80~output trim3.asc ascii write_now trim_blanks ~end