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-rw-r--r--lib/puppet/parser/functions/range.rb10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/puppet/parser/functions/range.rb b/lib/puppet/parser/functions/range.rb
index 825617b..0849491 100644
--- a/lib/puppet/parser/functions/range.rb
+++ b/lib/puppet/parser/functions/range.rb
@@ -27,6 +27,13 @@ Will return: ["a","b","c"]
range("host01", "host10")
Will return: ["host01", "host02", ..., "host09", "host10"]
+
+Passing a third argument will cause the generated range to step by that
+interval, e.g.
+
+ range("0", "9", "2")
+
+Will return: [0,2,4,6,8]
EOS
) do |arguments|
@@ -37,6 +44,7 @@ Will return: ["host01", "host02", ..., "host09", "host10"]
if arguments.size > 1
start = arguments[0]
stop = arguments[1]
+ step = arguments[2].nil? ? 1 : arguments[2].to_i.abs
type = '..' # We select simplest type for Range available in Ruby ...
@@ -71,7 +79,7 @@ Will return: ["host01", "host02", ..., "host09", "host10"]
when /^(\.\.\.)$/ then (start ... stop) # Exclusive of last element ...
end
- result = range.collect { |i| i } # Get them all ... Pokemon ...
+ result = range.step(step).collect { |i| i } # Get them all ... Pokemon ...
return result
end