HTTP --config # Server-side HTTP/1.1 200 OK Date: Tue, 09 Nov 2010 14:49:00 GMT Server: test-server/fake Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT ETag: "21025-dc7-39462498" Accept-Ranges: bytes Content-Length: 6 Connection: close Content-Type: text/html Funny-head: yesyes -foo- # Client-side http config file with argument using single quotes data = 'arg-with-quote' http://%HOSTIP:%HTTPPORT/%TESTNUMBER --config %LOGDIR/config --silent # Verify data after the test has been "shot" POST /%TESTNUMBER HTTP/1.1 Host: %HOSTIP:%HTTPPORT User-Agent: curl/%VERSION Accept: */* Content-Length: 16 Content-Type: application/x-www-form-urlencoded 'arg-with-quote' Warning: %LOGDIR/config:1 Option 'data' uses argument with leading single quote.%SP It is probably a mistake. Consider double quotes.