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-rw-r--r--lib/puppet/parser/functions/strip.rb39
1 files changed, 39 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/strip.rb b/lib/puppet/parser/functions/strip.rb
new file mode 100644
index 0000000..5f4630d
--- /dev/null
+++ b/lib/puppet/parser/functions/strip.rb
@@ -0,0 +1,39 @@
+#
+# strip.rb
+#
+
+module Puppet::Parser::Functions
+ newfunction(:strip, :type => :rvalue, :doc => <<-EOS
+This function removes leading and trailing whitespace from a string or from
+every string inside an array.
+
+*Examples:*
+
+ strip(" aaa ")
+
+Would result in: "aaa"
+ EOS
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "strip(): 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, 'strip(): Requires either ' +
+ 'array or string to work with')
+ end
+
+ if value.is_a?(Array)
+ result = value.collect { |i| i.is_a?(String) ? i.strip : i }
+ else
+ result = value.strip
+ end
+
+ return result
+ end
+end
+
+# vim: set ts=2 sw=2 et :