bdftopcf -version (return code: 0)
bdftopcf 1.0.5
bdftopcf --help (return code: 1)
bdftopcf: invalid option '--help'
usage: bdftopcf [-p#] [-u#] [-m] [-l] [-M] [-L] [-t] [-i] [-o pcf file] [bdf file]
where # for -p is 1, 2, 4, or 8
and # for -u is 1, 2, or 4