gengetopt man page on DragonFly
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GENGETOPT(1) User Commands GENGETOPT(1)
NAME
gengetopt - manual page for gengetopt 2.22.6
SYNOPSIS
gengetopt [OPTIONS]...
DESCRIPTION
GNU gengetopt 2.22.6
This program generates a C function that uses getopt_long function to
parse the command line options, validate them and fill a struct.
-h, --help
Print help and exit
--detailed-help
Print help, including all details and hidden options, and exit
-V, --version
Print version and exit
Main options:
-i, --input=filename
input file (default std input)
-f, --func-name=name
name of generated function (default=`cmdline_parser')
-a, --arg-struct-name=name
name of generated args info struct (default=`genge‐
topt_args_info')
-F, --file-name=name
name of generated file (default=`cmdline')
--output-dir=path
output directory
if this option is not specified, the files are generated in the
current directory.
--header-output-dir=path
header output directory
--src-output-dir=path
source output directory
-c, --c-extension=ext
extension of c file (default=`c')
-H, --header-extension=ext
extension of header file (default=`h')
-l, --long-help
long usage line in help
The usage line will print all the options, e.g.,
sample1 -iINT|--int-opt=INT [-h|--help]
--default-optional
by default, an option is considered optional if not specified
otherwise
-u, --unamed-opts[=STRING]
accept options without names (e.g., file names)
(default=`FILES')
The parser generated is thought to be used to parse the command line
arguments. However, you can also generate parsers for configuration
files, or strings that contain the arguments to parse, by using the
following two options.
-C, --conf-parser
generate a config file parser
-S, --string-parser
generate a string parser (the string contains the command line)
Additional options:
-G, --include-getopt
adds the code for getopt_long in the generated C file
-n, --no-handle-help
do not handle --help|-h automatically
If --no-handle-help is specified, the command line option
--help|-h will not be handled automatically, so the programmer
will be able to print some other information; then the function
for printing the standard help output can be used; this function
is called <parser-name>_print_help.
Notice that, although the programmer can handle --help|-h manu‐
ally, the parser will return after finding such option: the
other command line options, if any, will be ignored. In case
you want to have full control on --help|-h, you should use
--ho-help.
--no-help
do not add --help|-h automatically
With this option you can disable the automatic addition of
options --help|-h. The programmer will then be able to add this
option in the input file and handle it as he sees fit. Notice
that --no-help will also disable the automatic options
--detailed-help and --full-help.
The programmer can still define options with short character h
as he wants, but he cannot define options help, unless he speci‐
fies --no-help (otherwise an error will be printed).
-N, --no-handle-version
do not handle --version|-V automatically
--no-version
do not add --version|-V automatically
See above the details about --no-handle-help and --no-help,
respectively.
-e, --no-handle-error
do not exit on errors
With this option, if the generated parser encounters an error
(e.g., an unknown option) it does not make the main program
exit; instead, the parser function returns a value different 0,
and the main program can print a help message.
--show-required[=STRING]
in the output of help will specify which options are mandatory,
by using the optional passed string (default=`(mandatory)')
--strict-hidden
completely hide hidden options
-g, --gen-version
put gengetopt version in the generated file (default=on)
--set-package=STRING
set the package name (override package defined in the .ggo file)
--set-version=STRING
set the version number (override version defined in the .ggo
file)
--show-help
show the output of --help instead of generating code
--show-full-help
show the output of --full-help (i.e., including hidden options)
instead of generating code
--show-detailed-help
show the output of --detailed-help (i.e., including details and
hidden options) instead of generating code
--show-version
show the output of --version instead of generating code
Please refer to the info manual for further explanations.
Maintained by Lorenzo Bettini <http://www.lorenzobettini.it>
COPYRIGHT
Copyright © 1999-2011 Free Software Foundation Inc. This program
comes with ABSOLUTELY NO WARRANTY; for details please see the file
'COPYING' supplied with the source code.
This is free software, and you are welcome to redistribute it under
certain conditions; again, see 'COPYING' for details. This program is
released under the GNU General Public License.
SEE ALSO
The full documentation for gengetopt is maintained as a Texinfo manual.
If the info and gengetopt programs are properly installed at your site,
the command
info gengetopt
should give you access to the complete manual.
gengetopt 2.22.6 November 2012 GENGETOPT(1)
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