puppetlabs-stdlib/chop.rb
Krzysztof Wilczynski 0ff8b00a64 Small re-factor. Changed if not to unless for code clarity.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
2011-04-29 23:30:32 +01:00

32 lines
716 B
Ruby

#
# chop.rb
#
module Puppet::Parser::Functions
newfunction(:chop, :type => :rvalue, :doc => <<-EOS
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 ...
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 :