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- # a.out
- verify turned on by default
- GetLongOpt::retrieve - unenrolled option -foo
- # a.out -h
- usage: a.out [options and args]
- -help (print this option summary)
- -version (print the version)
- -output <$val> (print output in file $val)
- -verify (verify if ambiguities are resolved as they should be)
- # a.out -hopeless
- a.out: unrecognized option -hopeless
- # a.out -vers
- a.out version 1.0 dated 21.01.1993
- # a.out -v
- verify turned off
- GetLongOpt::retrieve - unenrolled option -foo
- # a.out -o
- a.out: mandatory value for -output not specified
- # a.out -v=1
- a.out: unsolicited value for flag -verify
-