It's not working for me.
I get his back if I tell the command to report in a seperate window in TM:
"curl: option -F requires an extra argument! curl: try 'curl --help' for more information /bin/sh: line 3: http://validator.w3.org/check: No such file or directory"
This happen to me too. It was because when I pasted it in to tm it had line breaks. Paste it into a new document and remove all the line breaks then copy and paste it into a new command.