1、提取文件名
$ basename /Users/qianyangbiao/Downloads/Assets.json
Assets.json
2、提取不带后缀的文件名
$ basename /Users/qianyangbiao/Downloads/Assets.json .json
Assets
3、提取目录
$ dirname /Users/qianyangbiao/Downloads/Assets.json
/Users/qianyangbiao/Downloads
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