{
	"env":[
		{ "VAR":"VAL", "VAR2":"VAL2" }
	],
	"apps":[
	{
		"name":"echo-1",

		"output":"output.txt",
		"cmd":"sh -c \"echo $VAR\"",
		"prep-cmd":[
		{ "do":"echo pre-1", "undo":"echo post-1" },
		{ "do":"echo pre-2" },
		{ "do":"echo pre-3", "undo":"echo post-3" }
		]
	},
	{
		"name":"echo-2",

		"output":"output.txt",
		"cmd":"sleep 10",
		"prep-cmd":[
		{ "do":"echo pre-1", "undo":"echo post-1" },
		{ "do":"echo pre-2" },
		{ "do":"echo pre-3", "undo":"echo post-3" }
		]
	}
	]
}