const io = require("io-info")
let f1 = new io.FileInfo("simple/1.txt"); //FileInfo in c#.net
f1.create();
f1.attributes;
f1.exists;
f1.copyTo("dir3");
f1.moveTo("dir2");
f1.length;
...
io.FileInfo.writeAllText(f1.fullName,"some test");
io.FileInfo.readAllText(f1.fullName)
...

const io = require("io-info")
let d1 = new io.DirectoryInfo("simple");//DirectoryInfo in c#.net
d1.copyTo("simple1");
d1.size;
d1.copyTo("dir4");
d1.delete();
d1.exists;
...
...