Changed wording of the note in the comment.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>

abs.rb

@@ -12,7 +12,7 @@ module Puppet::Parser::Functions
 
     value = arguments[0]
 
-    # Numbers in Puppet are often string-encoded ...
+    # Numbers in Puppet are often string-encoded which is troublesome ...
     if value.is_a?(String)
       if value.match(/^-?(?:\d+)(?:\.\d+){1}$/)
         value = value.to_f

capitalize.rb

@@ -19,7 +19,7 @@ module Puppet::Parser::Functions
     end
 
     if value.is_a?(Array)
-      # Numbers in Puppet are often string-encoded ...
+      # Numbers in Puppet are often string-encoded which is troublesome ...
       result = value.collect { |i| i.is_a?(String) ? i.capitalize : i }
     else
       result = value.capitalize

chomp.rb

@@ -19,7 +19,7 @@ module Puppet::Parser::Functions
     end
 
     if value.is_a?(Array)
-      # Numbers in Puppet are often string-encoded ...
+      # 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

chop.rb

@@ -19,7 +19,7 @@ module Puppet::Parser::Functions
     end
 
     if value.is_a?(Array)
-      # Numbers in Puppet are often string-encoded ...
+      # Numbers in Puppet are often string-encoded which is troublesome ...
       result = value.collect { |i| i.is_a?(String) ? i.chop : i }
     else
       result = value.chop

downcase.rb

@@ -0,0 +1,32 @@
+#
+#  downcase.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:downcase, :type => :rvalue, :doc => <<-EOS
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "downcase(): 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, 'downcase(): 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.downcase : i }
+    else
+      result = value.downcase
+    end
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :

lstrip.rb

@@ -19,6 +19,7 @@ module Puppet::Parser::Functions
     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.lstrip : i }
     else
       result = value.lstrip

upcase.rb

@@ -0,0 +1,32 @@
+#
+# upcase.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:upcase, :type => :rvalue, :doc => <<-EOS
+    EOS
+  ) do |arguments|
+
+    raise(Puppet::ParseError, "upcase(): 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, 'upcase(): 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.upcase : i }
+    else
+      result = value.upcase
+    end
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :