.bash_history のように、アプリケーションの使用履歴をファイルに記録するスクリプト

apphistory.sh

#!/bin/sh

#### begin settings ####
log_to=~/.app_history
idle_min_seconds=300
duration=1
idling_app_name='#Idle'
#### end settings ####


osascript=/usr/bin/osascript
sleep=/bin/sleep
nohup=/usr/bin/nohup
date=/bin/date
ioreg=/usr/sbin/ioreg
awk=/usr/bin/awk


selfname="${0##*/}"
selfpath="$(cd $(dirname $0) && pwd)/$selfname"


idle_time (){
    $ioreg -c IOHIDSystem \
    | $awk '/HIDIdleTime/ {OFMT = "%0.f"; print $NF/1000000000; exit}'
}

front_app_path (){
    $osascript -e "(path to frontmost application)'s POSIX path"
}

idle_message (){
    echo $idling_app_name
}

current_date (){
    $date +'%Y-%m-%dT%H:%m:%S'
}

main (){
    while true
    do
        local current_idle_seconds=$(idle_time)
        if (( current_idle_seconds < idle_min_seconds )) ; then
            local current_app=$(front_app_path)
        else
            local current_app=$(idle_message)
        fi

        if [ "$current_app" != "$previous_app" ] ; then
            echo "$(current_date)\t$current_app"
        fi

        local previous_app="$current_app"
        $sleep $duration
    done
}


start_background (){
    $nohup "$selfpath" &> /dev/null &
}

if [ ! -t 0 ] && [ ! -t 1 ] ; then
    exec >> $log_to
    main
else
    start_background
fi