I want to include all the ruby files in a directory that implement the function toto().
In python I will do:
res = []
for f in glob.glob("*.py"):
i = __import__(f)
if "toto" in dir(i):
res.append(i.toto)
and I could use the list like this:
for toto in res:
toto()
In Ruby imports are very different than in Python - in Python files and modules are more or less the same thing, in Ruby they are not. You'll have to create your modules manually:
res = []
Dir.glob("*.rb") do |file|
# Construct a class based on what is in the file,
# and create an instance of it
mod = Class.new do
class_eval File.read file
end.new
# Check if it has the toto method
if mod.respond_to? :toto
res << mod
end
end
# And call it
res.each do |mod|
mod.toto
end
Or maybe more Ruby idiomatic:
res = Dir.glob("*.rb").map do |file|
# Convert to an object based on the file
Class.new do
class_eval File.read file
end.new
end.select do |mod|
# Choose the ones that have a toto method
mod.respond_to? :toto
end
# Later, call them:
res.each &:toto
