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-rw-r--r--puppet/modules/stdlib/lib/puppet/parser/functions/chomp.rb34
1 files changed, 34 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/chomp.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/chomp.rb
new file mode 100644
index 00000000..c55841e3
--- /dev/null
+++ b/puppet/modules/stdlib/lib/puppet/parser/functions/chomp.rb
@@ -0,0 +1,34 @@
+#
+# chomp.rb
+#
+
+module Puppet::Parser::Functions
+ newfunction(:chomp, :type => :rvalue, :doc => <<-'EOS'
+ Removes the record separator from the end of a string or an array of
+ strings, for example `hello\n` becomes `hello`.
+ Requires a single string or array as an input.
+ EOS
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "chomp(): Wrong number of arguments " +
+ "given (#{arguments.size} for 1)") if arguments.size < 1
+
+ value = arguments[0]
+
+ unless value.is_a?(Array) || value.is_a?(String)
+ raise(Puppet::ParseError, 'chomp(): Requires either ' +
+ '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.chomp : i }
+ else
+ result = value.chomp
+ end
+
+ return result
+ end
+end
+
+# vim: set ts=2 sw=2 et :