From 93ca96f18a40c196ac610358d90a7b9bb53155dc Mon Sep 17 00:00:00 2001
From: St33v <stephen.pratt@calamia.com.au>
Date: Sun, 6 Dec 2015 16:55:24 +1100
Subject: Added a few remarks

---
 kmlstitch.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kmlstitch.sh b/kmlstitch.sh
index 5a254a3..7257d9c 100755
--- a/kmlstitch.sh
+++ b/kmlstitch.sh
@@ -23,11 +23,12 @@ unzipKmz()
 extractTrack()
 {
     if [ -f doc.kml ]
-    then    #
+    then    # look for instances of the 'placemark' tag in the file
         placelines=$( lineNums placemark doc.kml)
         startline=$(echo $placelines | cut -d ' ' -f 1 )
         endline=$(echo $placelines | rev | cut -d ' ' -f 1 | rev)
         echo $FUNCNAME
+        # write the contents of the placemark tag to the output file
         sed -n "${startline},${endline}p" doc.kml >> ${outfile}
         echo $FUNCNAME: placelines: $placelines
         echo startline: $startline
-- 
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