dhelp --version (return code: 0)
dhelp version 0.6.24
dhelp --help (return code: 1)
Usage:
dhelp [ -h | -v | search-term ]
dhelp -f
Options:
-f, --file
Direct the browser to use the local file system instead of
contacting the local WWW server.
-h, --help
Show a brief help message and exit.
-v, --version
Show the program version number and exit.