Update awk.html.markdown

The `gsub` example is incorrect: with pattern `"e+"`, one gets `"m.t m. at th. bar"`. To get  `"m..t m. at th. bar"` as documented, the pattern is just `"e"`. Otherwise we could keep "e+" but change the result.

Also removed an extra dot at the end of a sentence.

1 files changed, 2 insertions, 2 deletions

diff --git a/awk.html.markdown b/awk.html.markdown
index 3ff3f937..b8b6271a 100644
--- a/awk.html.markdown
+++ b/awk.html.markdown
@@ -48,7 +48,7 @@ BEGIN {
     # the preliminary set-up code, before you process any text files. If you
     # have no text files, then think of BEGIN as the main entry point.
 
-    # Variables are global. Just set them or use them, no need to declare..
+    # Variables are global. Just set them or use them, no need to declare.
     count = 0;
 
     # Operators just like in C and friends
@@ -209,7 +209,7 @@ function string_functions(    localvar, arr) {
     # Both return number of matches replaced
     localvar = "fooooobar";
     sub("fo+", "Meet me at the ", localvar); # localvar => "Meet me at the bar"
-    gsub("e+", ".", localvar); # localvar => "m..t m. at th. bar"
+    gsub("e", ".", localvar); # localvar => "m..t m. at th. bar"
 
     # Search for a string that matches a regular expression
     # index() does the same thing, but doesn't allow a regular expression