kml · December 13, 2016 23:17
diff --git a/check_if_command_exist.rb b/check_if_command_exist.rb
 # config/application.rb

 ['md5sum', 'convert', 'mogrify', 'identify', 'file'].each do |app|
  `command -v #{app} > /dev/null 2>&1`
  next if $?.exitstatus == 0
  abort "ERROR: command #{app.inspect} not found"
 end
	# config/application.rb

	['md5sum', 'convert', 'mogrify', 'identify', 'file'].each do \|app\|
	`command -v #{app} > /dev/null 2>&1`
	next if $?.exitstatus == 0
	abort "ERROR: command #{app.inspect} not found"
	end