Record screen region with Byzanz and xrectsel

byzanz-record-region.sh

#!/bin/bash

#Records selected screen region, with GUI

#This is combined version of GIF recording scripts, that can be found here: http://askubuntu.com/questions/107726/how-to-create-animated-gif-images-of-a-screencast
#Thanks to Rob W, and the other author (unmentioned), for creating this lovely scripts

#I do not own any rights to code I didn't write
#									  ~Jacajack

DELAY=5 #Delay before starting
DEFDUR=10 #Default recording duration
TIME=$(date +"%Y-%m-%d_%H%M%S") #Timestamp
FOLDER="$HOME/Pictures/Byzanz" #Default output directory

#Sound notification to let one know when recording is about to start (and ends)
beep() {
    paplay /usr/share/sounds/freedesktop/stereo/message-new-instant.oga &
}

#Custom recording duration as set by user
USERDUR=$(gdialog --title "Duration?" --inputbox "Please enter the screencast duration in seconds" 200 100 2>&1)

#Duration and output file
if [ $USERDUR -gt 0 ]; then
    D=$USERDUR
else
    D=$DEFDUR
fi

#Get coordinates using xrectsel from https://github.com/lolilolicon/xrectsel
REGION=$(xrectsel "--x=%x --y=%y --width=%w --height=%h") || exit -1

notify-send "GIFRecorder" "Recording duration set to $D seconds. Recording will start in $DELAY seconds."

for (( i=$DELAY; i>0; --i )) ; do
    sleep 1
done

#Record
beep
byzanz-record --cursor --verbose --delay=0 ${REGION} --duration=$D "$FOLDER/byzanz-record-region-$TIME.gif"
beep

notify-send "GIFRecorder" "Screencast saved to $FOLDER/byzanz-record-region-$TIME.gif"