organize commands and options

[trnciii]

• update option help
• remove sep option from formatter
• remove dl option from cat
• reduce format helper options
• fix help message

[github-actions[bot]]

Test Results

 30 files   30 suites   1m 44s :stopwatch:  42 tests  41 :white_check_mark: 0 :zzz: 1 :x: 810 runs  808 :white_check_mark: 0 :zzz: 2 :x:

For more details on these failures, see this check.

Results for commit 21a44708.

:recycle: This comment has been updated with latest results.