Tweak word-counting script

- make  it  more accurate  by  looking  at  files  as they  have  been
  committed (I often leave stuff out of commits)

- remove extraneous (I hope) parentheses

1 files changed, 2 insertions, 2 deletions

diff --git a/update-count.sh b/update-count.sh
index 8ada899..f592bcb 100755
--- a/update-count.sh
+++ b/update-count.sh
@@ -12,7 +12,7 @@ count-leaks ()
 
     while read filename
     do
-        let words+=$(wc -w ${filename} | cut -d' ' -f1)
+        let words+=$(git show HEAD:${filename} | wc -w | cut -d' ' -f1)
         let pages+=1
     done
 
@@ -23,7 +23,7 @@ count-leaks ()
 
 read words pages < <(list-tracked | count-leaks)
 
-pattern="\([0-9]*\) words in \([0-9]*\) pages"
+pattern="[0-9]* words in [0-9]* pages"
 actual="${words} words in ${pages} pages"
 
 sed -i "s/${pattern}/${actual}/" README.md