How to escape single quotes into double quotes into single quotes

Question

Here is an example of command line that fit this description :

curl  http://dumbdomain.com/solr/collection2/update/json -H
\'Content-type:applic         


        

Answer 1

In case you're using Windows (this problem typically doesn't occur on *nix), you can pipe the output from echo to curl to avoid the escaping altogether:

echo {"foo": "bar", "xyzzy": "fubar"} | curl -X POST -H "Content-Type: application/json" -d @- localhost:4444/api/foo