Lots of execs in node

gistfile1.txt

var commands = [];

commands.push("git -v");
commands.push("git -v");
commands.push("git -v");
commands.push("git -v");
commands.push("git -v");
commands.push("git -v");
commands.push("git -v");

function execComplete () {
	if (commands.length) {
		var cmd = commands.shift();
		exec(cmd, execComplete);
	}
	else{
		// All commands executed...
	}					
}

execComplete();