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I need to make a POST request via Curl from the command line. Data for this request is located in a file. I know that via PUT this could be done with the --upload-file option.

curl host:port/post-file -H "Content-Type: text/xml" --data "contents_of_file"
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Check my answer, stackoverflow.com/questions/6213509/send-json-post-using-php‌​/… – Muhammad Zeeshan Jun 20 '11 at 9:06
    
Sorry maybe i mistakenly described my problem i need to send request not via php-curl but just via curl command from command line from linux os. – user253202 Jun 20 '11 at 9:13
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See also send/post xml file using curl command line. – Vadzim Oct 9 '13 at 7:59
up vote 153 down vote accepted

You're looking for the --data-binary argument:

curl -i -X POST host:port/post-file -H "Content-Type: text/xml" --data-binary "@path/to/file"

In the example above, -i prints out all the headers so that you can see what's going on, and -X POST makes it explicit that this is a post. Both of these can be safely omitted without changing the behaviour on the wire. The path to the file needs to be preceded by an @ symbol, so curl knows to read from a file.

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what should be format of @path/to/file – ɢʜʘʂʈ ʀɛɔʘɴ Apr 25 '14 at 7:13
    
@ɢʜʘʂʈʀɛɔʘɴ in this case it would be .xml – dennismonsewicz Jun 4 '14 at 13:39
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the @ part is extremely important! – Ron Klein Aug 17 '14 at 15:13
    
So we use --data-binary parameter, but the actual file content can be text? Since XML isn't typically binary. – David Jul 13 '15 at 20:34
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actually you can use just -d flag – Tol182 Dec 9 '16 at 12:26
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If you are using form data to upload file,in which a parameter name must be specified , you can use:

curl -X POST -i -F parametername=@filename host:port/xxx

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