CasperJS ships with a built-in command line parser on top of PhantomJS’ parser, located in the cli module. It exposes passed arguments as positional ones and named options
Casper instance always contains a ready-to-use cli property for easy access to these parameters, so you don’t have to worry about manipulating the cli module parsing API.
Let’s consider this simple casper script:
var casper = require("casper").create();
casper.echo("Casper CLI passed args:");
require("utils").dump(casper.cli.args);
casper.echo("Casper CLI passed options:");
require("utils").dump(casper.cli.options);
casper.exit();
这是官网的文档,没明白这个casperjs的cli是什么意思?
cli就是命令行的意思。