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- #
- # chop.rb
- #
- module Puppet::Parser::Functions
- newfunction(:chop, :type => :rvalue, :doc => <<-'EOS'
- Returns a new string with the last character removed. If the string ends
- with `\r\n`, both characters are removed. Applying chop to an empty
- string returns an empty string. If you wish to merely remove record
- separators then you should use the `chomp` function.
- Requires a string or array of strings as input.
- EOS
- ) do |arguments|
- raise(Puppet::ParseError, "chop(): Wrong number of arguments " +
- "given (#{arguments.size} for 1)") if arguments.size < 1
- value = arguments[0]
- klass = value.class
- unless [Array, String].include?(klass)
- raise(Puppet::ParseError, 'chop(): Requires either an ' +
- 'array or string to work with')
- end
- if value.is_a?(Array)
- # Numbers in Puppet are often string-encoded which is troublesome ...
- result = value.collect { |i| i.is_a?(String) ? i.chop : i }
- else
- result = value.chop
- end
- return result
- end
- end
- # vim: set ts=2 sw=2 et :
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