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# subsititute($string, $regex, $replacement) : $string
# subsititute($string[], $regex, $replacement) : $string[]
#
# Replace all ocurrences of $regex in $string by $replacement.
# $regex is interpreted as Ruby regular expression.
#
# For long-term portability it is recommended to refrain from using Ruby's
# extended RE features.
module Puppet::Parser::Functions
newfunction(:substitute, :type => :rvalue) do |args|
if args[0].is_a?(Array)
args[0].collect do |val|
val.gsub(/#{args[1]}/, args[2])
end
else
args[0].gsub(/#{args[1]}/, args[2])
end
end
end
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