4.6 Informative Output
- Prints a short summary on the meaning of each program option. Aborts
further program execution.
- Prints out the current version number.
- Enables the debugging option. This produces verbose diagnostics to
“standard error” when
gperf is executing. It is useful both for
maintaining the program and for determining whether a given set of
options is actually speeding up the search for a solution. Some useful
information is dumped at the end of the program when the ‘-d’
option is enabled.