40 lines
1.1 KiB
Markdown
40 lines
1.1 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Long: help
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Arg: <subject>
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Short: h
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Help: Get help for commands
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Category: important curl
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Added: 4.0
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Multi: custom
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See-also:
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- verbose
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Example:
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- --help all
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- --help --insecure
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- --help -f
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---
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# `--help`
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Usage help. Provide help for the subject given as an optional argument.
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If no argument is provided, curl displays the most important command line
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arguments.
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The argument can either be a **category** or a **command line option**. When a
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category is provided, curl shows all command line options within the given
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category. Specify category `all` to list all available options.
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If `category` is specified, curl displays all available help categories.
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If the provided subject is instead an existing command line option, specified
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either in its short form with a single dash and a single letter, or in the
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long form with two dashes and a longer name, curl displays a help text for
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that option in the terminal.
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The help output is extensive for some options.
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If the provided command line option is not known, curl says so.
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