Value Specifiers: !500k - 500k of random data !500k:utf8 - 500k of utf8. Other specifiers: utf8,alphanum,alpha,printable "foo" - literal foo - literal destination code>destination 301:VALUE>VALUE 301>http://foo.bar Content-type: t:content-type Examples: 200,b:500k 404,p:5s,b:1k:printable 200,t:text/json,p:5s,b:1k 200,b:1k,xr Sequences: 200 * 2 | !forever 200 | 404 | 200,b:500g Anchors: Passed on command-line? --anchor /foo/bar 200:!/foo Built-in help /help /explain/expression