1url 2 http://example.com/callback.txt 3headers 4 Content-Type: text/plain 5 Content-Length: 42 6content_cb 7 my @content = qq{abcdefghijklmnopqrstuvwxyz1234567890abcdef}; 8 sub { shift @content } 9---------- 10PUT /callback.txt HTTP/1.1 11Host: example.com 12Connection: close 13User-Agent: HTTP-Tiny/VERSION 14Content-Type: text/plain 15Content-Length: 42 16 17abcdefghijklmnopqrstuvwxyz1234567890abcdef 18 19---------- 20HTTP/1.1 201 Created 21Date: Thu, 03 Feb 1994 00:00:00 GMT 22Location: http://example.com/callback.txt 23Content-Length: 0 24 25