I have the following code:
sample_code.rb
class Foo
def bar
Timeout.timeout(0.5){
puts "Interupt this if it takes longer then 0.5 seconds"
}
end
end
foo = Foo.new()
foo.bar
The example above works when you paste it in irb, but when you place it in a script and run it like this:
ruby ./sample_code.rb
It will give the following error.
Traceback (most recent call last):
1: from ./irb_works_ruby_dont.rb:11:in `<main>'
./irb_works_ruby_dont.rb:4:in `bar': uninitialized constant Foo::Timeout (NameError)
Is this a Timeout issue? Does irb load some modules that the normal ruby command doesn't? How to make the code work when run as a script?
The most likely explaination is that IRB requires Timeout when it starts up the REPL - but your script file is being executed before that happens. You can fix it by simply requiring it:
require 'timeout'
class Foo
def bar
Timeout.timeout(0.5){
puts "Interupt this if it takes longer then 0.5 seconds"
}
end
end
foo = Foo.new
foo.bar