h2-mod/deps/curl/docs/cmdline-opts/MANPAGE.md
2024-03-07 03:33:59 -05:00

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<!--
Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
SPDX-License-Identifier: curl
-->
# curl man page generator
This is the curl man page generator. It generates a single nroff man page
output from the set of sources files in this directory.
There is one source file for each supported command line option. The output
gets `page-header` prepended and `page-footer` appended. The format is
described below.
## Option files
Each command line option is described in a file named `<long name>.d`, where
option name is written without any prefixing dashes. Like the file name for
the -v, --verbose option is named `verbose.d`.
Each file has a set of meta-data and a body of text.
### Meta-data
Added: (version number in which this was added)
Arg: (the argument the option takes)
c: (copyright line)
Example: (example command line, without "curl" and can use `$URL`)
Experimental: yes (if so)
Help: (short text for the --help output for this option)
Long: (long form name, without dashes)
Magic: (description of "magic" options)
Multi: single/append/boolean/mutex/custom (if used more than once)
Mutexed: (space separated list of options this overrides, no dashes)
Protocols: (space separated list for which protocols this option works)
Requires: (space separated list of features this requires, no dashes)
Scope: global (if the option is global)
See-also: (space separated list of related options, no dashes)
Short: (single letter, without dash)
SPDX-License-Identifier: curl
Tags: (space separated list)
--- (end of meta-data)
### Body
The body of the description. Only refer to options with their long form option
version, like `--verbose`. The output generator replaces such option with the
correct markup that shows both short and long version.
Text written within `*asterisks*` is shown using italics. Text within two
`**asterisks**` is shown using bold.
Text that is prefixed with a space is treated like an "example" and gets
output in monospace.
## Header and footer
`page-header` is the file that is output before the generated options output
for the master man page.
`page-footer` is appended after all the individual options.
## Generate
`./gen.pl mainpage`
This command outputs a single huge nroff file, meant to become `curl.1`. The
full curl man page.
`./gen.pl listhelp`
Generates a full `curl --help` output for all known command line options.