Greetings, puppeteers. As per yesterday's discussion on if a file
exists on the pupper master, I decided to write a custom function. I'm
prolific in a lot of languages unfortunately, ruby isn't one of them.
Here's my function:
module Puppet::Parser::Functions
newfunction(:file_exists) do |args|
filename = args[0]
return File.exists?(filename)
end
end
That seems straightforward but it barfs with the following error:
err: Could not retrieve configuration: Function 'file_exists' does not
return a value
Seriously? The exists instance method is a boolean. What do you mean
it doesn't return a value?
I humored it with this version:
module Puppet::Parser::Functions
newfunction(:file_exists) do |args|
filename = args[0]
if File.exists?(filename)
return true
else
return false
end
end
end
But the results were identical. Any thoughts for a ruby noob.
Jeff
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