[golfscript/en-en] Add some nifty string tricks (#4945)

1 files changed, 12 insertions, 1 deletions

diff --git a/golfscript.html.markdown b/golfscript.html.markdown
index 8ea985e8..f4b88a9f 100644
--- a/golfscript.html.markdown
+++ b/golfscript.html.markdown
@@ -242,7 +242,18 @@ I drive a stick, BTW.
 []
 > '22222'{+}* # note that if you fold-sum a string not in an array, you'll
 # get the sum of the ascii values. '2' is 50, so five times that is:
-250
+[250]
+> ]; # this actually is a clever trick to get ascii values into an array.
+[]
+> "aabc" [{""+~}*] # if you fold over addition and drop it into a string: 
+[[97 97 98 99]]
+> {[.]""^}%""+ # which can be returned to a string as such using a ""^ map.
+# and an empty string join.
+["aabc"]
+> {32-}% # note that most mapping operations work on the ascii values as
+# you would expect, for instance with the difference between A and a being
+# 32, you can just subtract that from the ascii value to get:
+["AABC"] 
 > ]; ###################################################################
 #       blocks
 ########################################################################