Update interval files correctly if not yet full.

This fixes #45.
jhoenicke · May 14, 2021 · 88c759a · 88c759a
1 parent 6ba79e2
commit 88c759a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/updatedata.sh b/updatedata.sh
@@ -19,7 +19,8 @@ updatefile() {
   MINUTES=$2
   IVAL=$3
   if [ `expr $MINUTE % $IVAL` -eq "0" ]; then
-    (echo 'call(['; tail -n +3 $DESTDIR/$NAME.js | head -n -1; echo "$LINE"; echo '])') > $DESTDIR/$NAME.js.new
+    LINES=`expr $MINUTES / $IVAL - 1`
+    (echo 'call(['; grep '^\[' $DESTDIR/$NAME.js | tail -n $LINES; echo "$LINE"; echo '])') > $DESTDIR/$NAME.js.new
     mv $DESTDIR/$NAME.js.new $DESTDIR/$NAME.js
   fi
 }