Bash script to save full-page screenshots of a list of URLs, using Firefox in headless mode

screenshotter.sh

#!/bin/bash

# Script to save full-page screenshots of a list of URLs, using Firefox in headless mode

# Run with path to file containing list of URLs as first argument:
# sh ./path/to/screenshotter.sh ./path/to/urls.txt

# Screenshots will be saved to a folder named the specified width


# Change these to desired screenshot width and path to Firefox
WIDTH=1440
FIREFOX_PATH="/Applications/Firefox.app/Contents/MacOS/firefox"


mkdir $WIDTH
for url in $(cat $1); do
    FILENAME=$(basename $url)
    FILENAME="./${WIDTH}/${FILENAME}-$(date +%s)-${WIDTH}.png"
    $FIREFOX_PATH -P default -screenshot $url --window-size=$WIDTH
    mv ./screenshot.png $FILENAME
done