The command converts seconds to a time format. Seconds are represented as integers, and the time format as a string. The separator in the time format is optional with the default value `:'. Thus, the default time format is "hh:mm:ss".
Example: The example shows conversions between seconds and the time format.
... NDA> time2sec -f time1 -fout secs NDA> sec2time -f secs -fout time2 -sep . ...