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#
# abs.rb
#
module Puppet::Parser::Functions
newfunction(:abs, :type => :rvalue, :doc => <<-EOS
EOS
) do |arguments|
raise(Puppet::ParseError, "abs(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
value = arguments[0]
if value.is_a?(String)
if value.match(/^-?(?:\d+)(?:\.\d+){1}$/)
value = value.to_f
elsif value.match(/^-?\d+$/)
value = value.to_i
else
raise(Puppet::ParseError, 'abs(): Requires a numeric ' +
'value to work with')
end
end
result = value.abs
return result
end
end
# vim: set ts=2 sw=2 et :
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