Ruby in a Nutshell

Name

if Statement

Synopsis

if conditional [then]
code
[elsif conditional [then]
code]...
[else
code]
end

Executes code if the conditional is true. True is interpreted as anything that isn’t false or nil. If the conditional isn’t true, code specified in the else clause is executed. An if expression’s conditional is separated from code by the reserved word then, a newline, or a semicolon. The reserved word if can be used as a statement modifier.

code if conditional

Executes code if conditional is true.