Command line curl can display response header by using -D option, but I want to see what request header it is sending. How can I do that?
How to display request headers with command line curl
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9 Answers
A command like the one below will show three sections: request headers, response headers and data (separated by CRLF). It avoids technical information and syntactical noise added by curl.
curl -vs www.stackoverflow.com 2>&1 | sed '/^* /d; /bytes data]$/d; s/> //; s/< //'
The command will produce the following output:
GET / HTTP/1.1
Host: www.stackoverflow.com
User-Agent: curl/7.54.0
Accept: */*
HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=UTF-8
Location: https://stackoverflow.com/
Content-Length: 149
Accept-Ranges: bytes
Date: Wed, 16 Jan 2019 20:28:56 GMT
Via: 1.1 varnish
Connection: keep-alive
X-Served-By: cache-bma1622-BMA
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1547670537.588756,VS0,VE105
Vary: Fastly-SSL
X-DNS-Prefetch-Control: off
Set-Cookie: prov=e4b211f7-ae13-dad3-9720-167742a5dff8; domain=.stackoverflow.com; expires=Fri, 01-Jan-2055 00:00:00 GMT; path=/; HttpOnly
<head><title>Document Moved</title></head>
<body><h1>Object Moved</h1>This document may be found <a HREF="https://stackoverflow.com/">here</a></body>
Description:
-vs- add headers (-v) but remove progress bar (-s)2>&1- combine stdout and stderr into single stdoutsed- edit response produced by curl using the commands below/^* /d- remove lines starting with '* ' (technical info)/bytes data]$/d- remove lines ending with 'bytes data]' (technical info)s/> //- remove '> ' prefixs/< //- remove '< ' prefix
If you want more alternatives, You can try installing a Modern command line HTTP client like httpie which is available for most of the Operating Systems with package managers like brew, apt-get, pip, yum etc
eg:- For OSX
brew install httpie
Then you can use it on command line with various options
http GET https://www.google.com
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