tools: timer script improved

.local/bin/tools/timer

@@ -8,11 +8,16 @@ usage: timer [option] [args]
     -h              Display this message
 """
 
+max_seconds=86400
 
 countdown() {
     start="$(( $(date '+%s') + $1))"
     while [ $start -ge $(date +%s) ]; do
         time="$(( $start - $(date +%s) ))"
+        if [ $time -ge $max_seconds ]; then
+            echo "Maximum number of seconds ($max_seconds) for countdown surpassed."
+            exit
+        fi
         printf '%s\r' "$(date -u -d "@$time" +%H:%M:%S)"
         sleep 0.1
     done
@@ -23,6 +28,10 @@ stopwatch() {
     while true; do
         time="$(( $(date +%s) - $start))"
         printf '%s\r' "$(date -u -d "@$time" +%H:%M:%S)"
+        if [ $time -ge $max_seconds ]; then
+            echo "Maximum number of seconds ($max_seconds) reached."
+            exit
+        fi
         sleep 0.1
     done
 }