Records a portion of your screen to an animated GIF

byzanz-record-ui.sh

#!/bin/bash

#
# RECORDS A PORTION OF YOUR SCREEN TO AN ANIMATED GIF
#
# REQUIREMENTS:
#   byzanz: Screen recorder, found in repos
#   zenity: Dialogs and notifications, found in repos
#   xrectsel: Screen portion selector, found at https://github.com/lolilolicon/xrectsel
#

FILENAME=$(zenity --file-selection --save --confirm-overwrite --filename='/tmp/byzanz-record.gif')
if [[ -n "$FILENAME" ]]; then
	DELAY=$(zenity --entry --title="Capture delay in seconds:" --text="Capture delay in seconds:" --entry-text="1" --width=260)
	DURATION=$(zenity --entry --title="Capture duration in seconds:" --text="Capture duration in seconds:" --entry-text="8" --width=260)
	RECT=$(xrectsel | sed -r 's/(.*)x(.*)\+(.*)\+(.*)/-x \3 -y \4 -w \1 -h \2/')
	byzanz-record -d $DURATION --delay $DELAY $RECT "$FILENAME"
	zenity --notification --title="GIF saved" --text="GIF saved. Click the button to open it" --timeout=4
	if [[ "$?" == "0" ]]; then
		exo-open "$FILENAME"
	fi
	exit 0
else
	exit 1
fi