mongoDB 現在のディレクトリ配下にあるファイルやディレクトリを確認する

fs.readdirSync()

# ls
admin  hoge  sample.js  test  test.js

> fs.readdirSync('.')

[ 'admin', 'hoge', 'sample.js', 'test', 'test.js' ]

> fs.readdirSync('/opt')
[
  'containerd',
  'drawio',
  'gravity',
  'pycharm',
  'remi',
  'stacer',
  'teamviewer'
]

> fs.readdirSync( '.', { withFileTypes: true } )
[
  Dirent { name: 'admin', [Symbol(type)]: 2 },
  Dirent { name: 'hoge', [Symbol(type)]: 2 },
  Dirent { name: 'sample.js', [Symbol(type)]: 1 },
  Dirent { name: 'test', [Symbol(type)]: 2 },
  Dirent { name: 'test.js', [Symbol(type)]: 1 }
]

ls()

# ls
admin  hoge  sample.js  test  test.js

> ls()

[ "./hoge/", "./admin/", "./sample.js", "./test/", "./test.js" ]

> ls("/var")

[
        "/var/opt/",
        "/var/run/",
        "/var/local/",
        "/var/spool/",
        "/var/mail/",
        "/var/tmp/",
        "/var/lock/",
        "/var/lib/",
        "/var/log/",
        "/var/backups/",
        "/var/cache/"
]

> listFiles()

[
        {
                "name" : "./hoge",
                "baseName" : "hoge",
                "isDirectory" : true
        },
        {
                "name" : "./admin",
                "baseName" : "admin",
                "isDirectory" : true
        },
        {
                "name" : "./sample.js",
                "baseName" : "sample.js",
                "isDirectory" : false,
                "size" : 164
        },
        {
                "name" : "./test",
                "baseName" : "test",
                "isDirectory" : true
        },
        {
                "name" : "./test.js",
                "baseName" : "test.js",
                "isDirectory" : false,
                "size" : 121
        }
]