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node-echo-2534

v0.0.1-development

Published

*nix

Downloads

9

Readme

*nix

在*nix系统下,我们可以把JS文件当作shell脚本来运行,从而达到上述目的,具体步骤如下:

在shell脚本中,可以通过#!注释来指定当前脚本使用的解析器。所以我们首先在node-echo.js文件顶部增加以下一行注释,表明当前脚本使用NodeJS解析。

#! /usr/bin/env node NodeJS会忽略掉位于JS模块首行的#!注释,不必担心这行注释是非法语句。

然后,我们使用以下命令赋予node-echo.js文件执行权限。

$ chmod +x /home/user/bin/node-echo.js 最后,我们在PATH环境变量中指定的某个目录下,例如在/usr/local/bin下边创建一个软链文件,文件名与我们希望使用的终端命令同名,命令如下:

$ sudo ln -s /home/user/bin/node-echo.js /usr/local/bin/node-echo 这样处理后,我们就可以在任何目录下使用node-echo命令了。

Windows

在Windows系统下的做法完全不同,我们得靠.cmd文件来解决问题。假设node-echo.js存放在C:\Users\user\bin目录,并且该目录已经添加到PATH环境变量里了。接下来需要在该目录下新建一个名为node-echo.cmd的文件,文件内容如下:

@node "C:\User\user\bin\node-echo.js" %* 这样处理后,我们就可以在任何目录下使用node-echo命令了。