#!/bin/bash
timeinmsec="$(xprintidle)"
timeinmin="$(($timeinmsec / 60000))"
if [[ "$timeinmin" -gt 1 ]]
then
        echo "$timeinmin idle time reported" >> /home/user/log.txt;
        echo $(date '+%X') >> /home/user/log.txt;
        echo "$line" >> /home/user/log.txt;
else
        echo "No idle time reported" >> /home/user/log.txt;
        echo $(date '+%X') >> /home/user/log.txt;
        echo "$line" >> /home/user/log.txt;
fi

No idle time reported
05:24:01 PM

No idle time reported
05:25:01 PM

No idle time reported
05:26:01 PM

No idle time reported
05:27:01 PM