50 lines
1.8 KiB
Markdown
50 lines
1.8 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: data
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Short: d
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Arg: <data>
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Help: HTTP POST data
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Protocols: HTTP MQTT
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Mutexed: form head upload-file
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Category: important http post upload
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Added: 4.0
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Multi: append
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See-also:
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- data-binary
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- data-urlencode
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- data-raw
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Example:
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- -d "name=curl" $URL
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- -d "name=curl" -d "tool=cmdline" $URL
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- -d @filename $URL
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---
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# `--data`
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Sends the specified data in a POST request to the HTTP server, in the same way
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that a browser does when a user has filled in an HTML form and presses the
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submit button. This makes curl pass the data to the server using the
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content-type application/x-www-form-urlencoded. Compare to --form.
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--data-raw is almost the same but does not have a special interpretation of
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the @ character. To post data purely binary, you should instead use the
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--data-binary option. To URL-encode the value of a form field you may use
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--data-urlencode.
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If any of these options is used more than once on the same command line, the
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data pieces specified are merged with a separating &-symbol. Thus, using
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'-d name=daniel -d skill=lousy' would generate a post chunk that looks like
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'name=daniel&skill=lousy'.
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If you start the data with the letter @, the rest should be a file name to
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read the data from, or - if you want curl to read the data from stdin. Posting
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data from a file named 'foobar' would thus be done with --data @foobar. When
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--data is told to read from a file like that, carriage returns and newlines
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are stripped out. If you do not want the @ character to have a special
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interpretation use --data-raw instead.
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The data for this option is passed on to the server exactly as provided on the
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command line. curl does not convert, change or improve it. It is up to the
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user to provide the data in the correct form.
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