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#
# num2bool.rb
#
module Puppet::Parser::Functions
newfunction(:num2bool, :type => :rvalue, :doc => <<-EOS
This function converts a number or a string representation of a number into a
true boolean. Zero or anything non-numeric becomes false. Numbers higher then 0
become true.
EOS
) do |arguments|
raise(Puppet::ParseError, "num2bool(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size != 1
# we need to get an Integer out of this
begin
number = arguments[0].to_i
rescue NoMethodError
raise(Puppet::ParseError, 'num2bool(): Unable to parse number: ' + $!)
end
# Return true for any positive number and false otherwise
return number > 0 ? true : false
end
end
# vim: set ts=2 sw=2 et :
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