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hitode909/screen-capture.1m.rb

Created November 30, 2023 01:12
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  1. hitode909 created this gist Nov 30, 2023.
    46 changes: 46 additions & 0 deletions screen-capture.1m.rb
    View file
    Original file line number Diff line number Diff line change
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    #! /usr/bin/ruby
    require 'logger'
    require 'json'

    LOGGER = Logger.new(STDOUT)

    if ENV['DEBUG']
    LOGGER.level = Logger::Severity::DEBUG
    else
    LOGGER.level = Logger::Severity::WARN
    end

    OUTPUT_DIR=File.join(Dir.home, 'Desktop', 'continuous-screen-capture')
    MAX_AGE=3600 * 24 * 7

    unless File.exists?(OUTPUT_DIR)
    LOGGER.debug "Creating output directory: #{OUTPUT_DIR}"
    Dir.mkdir(OUTPUT_DIR)
    end

    def capture_screenshot
    display_info = `system_profiler SPDisplaysDataType -json`
    display_ids = JSON.parse(display_info)['SPDisplaysDataType'].first['spdisplays_ndrvs'].map{|display| display['_spdisplays_displayID'] }

    output_filenames = display_ids.map { | display_id|
    File.join(OUTPUT_DIR, "#{Time.now.strftime('%Y%m%d-%H%M%S')}-#{display_id}.jpg")
    }
    LOGGER.debug "Capturing screenshot to #{output_filenames.join(' ')}"
    system "screencapture", "-x", "-t", "jpg", "-T", "0", *output_filenames
    end

    def delete_old_screenshots
    all_files = Dir.glob("#{OUTPUT_DIR}/*.jpg").sort
    all_files.each{|file|
    enough_old = (Time.now - File.mtime(file)) > MAX_AGE
    if enough_old
    LOGGER.debug "Deleting old file: #{file}"
    File.delete(file)
    end
    }
    end

    capture_screenshot
    delete_old_screenshots

    puts "📸 #{Time.now.strftime('%H:%M:%S')}"