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I am trying to pass a url-encoded multi-line string as parameter of a GET call to an existing web-service. I think I am getting quite close to the solution with the following:

echo -e 'p_message=a\nb\nc\n' | curl -v -G --data-urlencode @- http://localhost/service > GET /service?p_message%3Da%0Ab%0Ac%0A%0A HTTP/1.1

It seems that the only thing that is going wrong is that the '=' is getting url-encoded. I am running the latest version of curl (7.33).

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    Aren't you just asking curl to URL encode the data you give it by using --data-urlencode? Passing it readily URL encoded data (the way you like it) and not using the parameter would be obvious solution, right? Commented Nov 27, 2013 at 12:03
  • Sure, however that would require an extra component and dependency, but if there is not a neater solution that may be the way I will go (via perl script to url-encode). However seems I am very close to be able to do this in pure curl, still wonder if it is possible. Commented Nov 28, 2013 at 1:32

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Got it, the following seems to work:

echo -e "a\nb\nc\n'" | curl -v -G --data-urlencode p_message@- http://localhost/service > GET /service?p_message=a%0Ab%0Ac%0A%27%0A HTTP/1.1
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  • Congrats for solving that (despite the doubts that I presented), and thanks for posting the solution. Commented Nov 28, 2013 at 7:41

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