shortened code using timer functions

whitespace.sh

@@ -21,9 +21,7 @@ srcdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 section "Checking for whitespace only lines"
 
-date
-start_time="$(date +%s)"
-echo
+start_time="$(start_timer)"                                                                                                                                                          |
 
 . "$srcdir/excluded.sh"
 
@@ -38,13 +36,6 @@ if [ $found == 1 ]; then
     exit 1
 fi
 
-echo
-date
-echo
-end_time="$(date +%s)"
-# if start and end time are the same let returns exit code 1
-let time_taken=$end_time-$start_time || :
-echo "Completed in $time_taken secs"
-echo
+time_taken "$start_time"
 section2 "Whitespace only checks passed"
 echo