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#
# lstrip.rb
#
module Puppet::Parser::Functions
newfunction(:lstrip, :type => :rvalue, :doc => <<-DOC
Strips leading spaces to the left of a string.
DOC
) do |arguments|
raise(Puppet::ParseError, "lstrip(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
value = arguments[0]
unless value.is_a?(Array) || value.is_a?(String)
raise(Puppet::ParseError, 'lstrip(): Requires either array or string to work with')
end
result = if value.is_a?(Array)
# Numbers in Puppet are often string-encoded which is troublesome ...
value.map { |i| i.is_a?(String) ? i.lstrip : i }
else
value.lstrip
end
return result
end
end
# vim: set ts=2 sw=2 et :
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