From 020a2a23eedcfb4957ac55214d597ec911e9b454 Mon Sep 17 00:00:00 2001
From: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
Date: Fri, 29 Apr 2011 18:09:57 +0100
Subject: First version.  Simple chop function to use within Puppet DSL.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
---
 chop.rb | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 chop.rb

(limited to 'chop.rb')

diff --git a/chop.rb b/chop.rb
new file mode 100644
index 0000000..2f6b2d2
--- /dev/null
+++ b/chop.rb
@@ -0,0 +1,31 @@
+#
+#  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
+
+    if not [Array, String].include?(klass)
+      raise(Puppet::ParseError, 'chop(): Requires either an ' +
+        'array or string to work with')
+    end
+
+    if value.is_a?(Array)
+      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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