Records screen record of Android device by using adb command.

take-screenrecord.sh

#!/bin/bash
date_string=`date +%F-%s`

# Creates Screenrecords directory if not exist.
mkdir -p Screenrecords

function finish() {
    adb shell pkill -SIGINT screenrecord
    adb pull /sdcard/screenrecord_"$date_string".mp4 ./Screenrecords/
    adb shell rm /sdcard/screenrecord_"$date_string".mp4
}

trap finish SIGINT

printf "Press Ctrl+C to stop screen recording.\n"

adb shell screenrecord /sdcard/screenrecord_"$date_string".mp4

Thank you. I improved it a bit: https://github.com/starikcetin/adb-helpers/blob/master/adb-record.sh

@starikcetin
That's great. Thank you