Switch to a cleaner awk script to detect titles

1 files changed, 3 insertions, 2 deletions

diff --git a/title.bash b/title.bash
index 75b69db..e639687 100755
--- a/title.bash
+++ b/title.bash
@@ -16,6 +16,7 @@
 # v0.9.1: fix support for servers that don't support HTTP HEAD
 # v0.9.2: tidy up temporary files afterwards
 # v0.9.3: advertise text/html acceptance as some servers require it
+# v0.9.4: switch to a cleaner awk script to detect titles
 
 OPTS='--location --insecure --silent --max-filesize 1048576 --max-time 10 -A "Mozilla/5.0 (X11; Linux x86_64; rv:36.0) Gecko/20100101 Firefox/36.0" -H "Accept-Encoding: gzip" -H "Accept: text/html"'
 
@@ -34,10 +35,10 @@ then
   echo "Usage: '!title <url>' where <url> is an http:// or https:// URL"
 elif [ "$url" == "-v" ] || [ "$url" == "--version" ]
 then
-  echo "blatitle version 0.9.3"
+  echo "blatitle version 0.9.4"
 else
   eval curl $OPTS -D /tmp/$TIME.header '$url' -o /tmp/$TIME.body.gz
   grep -q "Content-Encoding: gzip" /tmp/$TIME.header && gunzip /tmp/$TIME.body.gz || mv /tmp/$TIME.body.gz /tmp/$TIME.body
-  sed -n -e 'H;${x;s!.*<head[^>]*>\(.*\)</head>.*!\1!I;tnext};b;:next;s!.*<title>\(.*\)</title>.*!\1!pI' /tmp/$TIME.body | sed ':a;N;$!ba;s/\n//g' | sed -e 's/^[ \t]*//'
+  awk -vRS="</title>" '/<title>/{gsub(/.*<title>|\n+/,"");print;exit}' IGNORECASE=1 /tmp/$TIME.body | sed ':a;N;$!ba;s/\n//g' | sed -e 's/^[ \t]*//'
   rm /tmp/$TIME.header /tmp/$TIME.body
 fi