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scemama/timer.sh

Created September 23, 2015 17:38
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Timer in the bash prompt
Raw
timer.sh
function timer_start {
timer=${timer:-$SECONDS}
}
function timer_stop {
timer_show=$(($SECONDS - $timer))
unset timer
}
trap 'timer_start' DEBUG
PROMPT_COMMAND=timer_stop
PS1='[last: ${timer_show}s][\w]$ '
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