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      1 Long: data
      2 Short: d
      3 Arg: <data>
      4 Help: HTTP POST data
      5 Protocols: HTTP
      6 See-also: data-binary data-urlencode data-raw
      7 Mutexed: form head upload-file
      8 ---
      9 Sends the specified data in a POST request to the HTTP server, in the same way
     10 that a browser does when a user has filled in an HTML form and presses the
     11 submit button. This will cause curl to pass the data to the server using the
     12 content-type application/x-www-form-urlencoded.  Compare to --form.
     13 
     14 --data-raw is almost the same but does not have a special interpretation of
     15 the @ character. To post data purely binary, you should instead use the
     16 --data-binary option.  To URL-encode the value of a form field you may use
     17 --data-urlencode.
     18 
     19 If any of these options is used more than once on the same command line, the
     20 data pieces specified will be merged together with a separating
     21 &-symbol. Thus, using '-d name=daniel -d skill=lousy' would generate a post
     22 chunk that looks like \&'name=daniel&skill=lousy'.
     23 
     24 If you start the data with the letter @, the rest should be a file name to
     25 read the data from, or - if you want curl to read the data from
     26 stdin. Multiple files can also be specified. Posting data from a file named
     27 'foobar' would thus be done with --data @foobar. When --data is told to read
     28 from a file like that, carriage returns and newlines will be stripped out. If
     29 you don't want the @ character to have a special interpretation use --data-raw
     30 instead.
     31