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#
# is_numeric.rb
#
module Puppet::Parser::Functions
newfunction(:is_numeric, :type => :rvalue, :doc => <<-EOS
Returns true if the variable passed to this function is a number.
EOS
) do |arguments|
if (arguments.size != 1) then
raise(Puppet::ParseError, "is_numeric(): Wrong number of arguments "+
"given #{arguments.size} for 1")
end
value = arguments[0]
if value == value.to_f.to_s or value == value.to_i.to_s or value.is_a? Numeric then
return true
else
return false
end
end
end
# vim: set ts=2 sw=2 et :
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