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#
# strip.rb
#
module Puppet::Parser::Functions
newfunction(:strip, :type => :rvalue, :doc => <<-EOS
This function removes leading and trailing whitespace from a string or from
every string inside an array.
*Examples:*
strip(" aaa ")
Would result in: "aaa"
EOS
) do |arguments|
raise(Puppet::ParseError, "strip(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size < 1
value = arguments[0]
unless value.is_a?(Array) || value.is_a?(String)
raise(Puppet::ParseError, 'strip(): Requires either ' +
'array or string to work with')
end
if value.is_a?(Array)
result = value.collect { |i| i.is_a?(String) ? i.strip : i }
else
result = value.strip
end
return result
end
end
# vim: set ts=2 sw=2 et :
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