[Swift-commit] r6348 - trunk/docs/userguide

[ketan at ci.uchicago.edu]

Author: ketan
Date: 2013-03-08 01:01:03 -0600 (Fri, 08 Mar 2013)
New Revision: 6348

Modified:
   trunk/docs/userguide/mappers
Log:
fixing the example on regexp and struct regexp mappers

Modified: trunk/docs/userguide/mappers
===================================================================
--- trunk/docs/userguide/mappers	2013-03-08 05:23:36 UTC (rev 6347)
+++ trunk/docs/userguide/mappers	2013-03-08 07:01:03 UTC (rev 6348)
@@ -631,14 +631,12 @@
 
 Example:
 ----
-string s = "picture.gif";
-file f <regexp_mapper;
-  source=s,
-  match="(.*)gif",
-  transform="\\1jpg">;
+file s <"picture.gif">;
+file f <regexp_mapper; source=s,
+  match="(.*)gif", transform="\\1jpg">;
 ----
 
-This example transforms a string ending gif into one ending jpg and
+This example transforms a file ending gif into one ending jpg and
 maps that to a file.
 
 [options="header, autowidth"]
@@ -649,9 +647,10 @@
 
 structured regular expression mapper
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-The structured_regexp_mapper is similar to the regexp_mapper. The
-structured_regexp_mapper can be applied to lists while the regexp_mapper cannot.
 
+The structured_regexp_mapper is similar to the regexp_mapper with the only
+difference that it can be applied to arrays while the regexp_mapper cannot.
+
 [options="header, autowidth"]
 |==========
 |parameter|meaning
@@ -667,14 +666,13 @@
 
 Example:
 ----
-string s[] = ["picture.gif", "hello.gif", "world.gif"];
-file f[] <structured_regexp_mapper;
-          source=s,
-          match="(.*)gif",
-          transform="\\1jpg">;
+file s[] <filesys_mapper; pattern="*.gif">;
+
+file f[] <structured_regexp_mapper; source=s,
+          match="(.*)gif", transform="\\1jpg">;
 ----
 
-This example transforms all strings in a list that end in gif to end in jpg and maps
+This example transforms all files in a list that end in gif to end in jpg and maps
 the list to those files.
 
 csv mapper