Bash script: Use string variable in curl JSON Post data

Question

I want to send a json request and embedd a variable in the post data. I did a little research and I came up with the single quotes around the variable.

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Answer 1

My suggestion:

#!/bin/bash
FILENAME="/media/file 2.avi"
curl -i -X POST -H "Content-Type: application/json" -d '{"jsonrpc": "2.0", "method": "Player.Open", "params":{"item":{"file":"'"$FILENAME"'"}}}' http://192.167.0.13/jsonrpc

The differences are hyphen in -d (instead of a dash) and double quotes around $FILENAME.