Node Fs

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Constants

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Synchronous API

AccessSyunc

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AppendFileSync

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ChModSync

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ChOwnSync

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CopyFileSync

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ExistsSync

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LinkSync

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MkDirSync

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MkDTempSync

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ReadDirSync

const fs = require("fs");

function readDirectory(directory) {
  let files = fs.readdirSync(directory);
  return files.sort((a,b) => a.localeCompare(b));
};

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ReadFileSync

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ReadLinkSync

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RealPathSync

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RenameSync

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RmDirSync

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RmSync

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StatSync

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SymLinkSync

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UnlinkSync

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UTimesSync

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WriteFileSync

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Callback API

Access

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AppendFile

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ChMod

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ChOwn

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CopyFile

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Exists

Deprecated. Use stat or access instead.

Furthermore, do not try using this to check if a file exists before writing it. This will introduce a race condition.

const fs = require("fs");

exists(filename, (err) => {
  if (err) {
    console.log("file exists");
  }
});

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Link

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MkDir

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MkDTemp

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ReadDir

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ReadFile

const fs = require("fs");

fs.readFile(filename, "utf8", (err, content) => {
  if (err) {
    console.log("cannot read file");
  }
  else {
    console.log(content);
  }
});

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ReadLink

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RealPath

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Rename

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RmDir

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Rm

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Stat

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SymLink

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Unlink

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UnwatchFile

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UTimes

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WatchFile

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WriteFile

fs.writeFile(filename, content, (err) => {
  if (err) {
    console.log("cannot write file");
  }
});

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See also

Node API for fs

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