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i have a while loop to act as stopwatch and i want to implment it in script to count the time taken by command to run and i want to kill it after command finish

date1=`date +%s`; while true; do 
   echo -ne "$(date -u --date @$((`date +%s` - $date1)) +%H:%M:%S)\r";
done &

i need to kill this loop inside the script

i tried

    1-jobs but it gives me no output
    2-kill $! but give me erro

but the loop is keep running

  • What about date1=<date ..> ; command & wait ; echo -ne <date_diff>? – Fiximan Aug 22 '16 at 14:41
  • its full script with multiple command and i need to implement this part of loop to count time taken by each part of script in real time – Khalid Abo El MaGd Aug 22 '16 at 14:44
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Use the timeout command provided by the coreutils package.

NAME

   timeout - run a command with a time limit

SYNOPSIS
   timeout [OPTION] DURATION COMMAND [ARG]...
   timeout [OPTION]

DESCRIPTION
   Start COMMAND, and kill it if still running after DURATION.
  • that's not what i want ..i need to get the script running time – Khalid Abo El MaGd Aug 22 '16 at 16:01

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