JarCastingvow-fs 
Vow-based file I/O for Node.js
Requirements
Vow-fs works with Node.js 0.6 and above.
Getting Started
You can install vow-fs using Node Package Manager (npm):
npm install vow-fs
Usage
var fs = require('vow-fs');
API
read(path, [encoding])
Returns a promise for the file's content at a given path.
write(path, data, [encoding])
Writes data to file at a given path. Returns a promise for the completion of the operation.
append(path, data, [encoding])
Appendsdata to file's content at a given path. Returns a promise for the completion of the operation.
remove(path)
Removes a file at a given path. Returns a promise for the completion of the operation.
copy(sourcePath, targetPath)
Copies a file from sourcePath to targetPath. Returns a promise for the completion of the operation.
move(sourcePath, targetPath)
Moves a file or directory from sourcePath to targetPath. Returns a promise for the completion of the operation.
stat(path)
Returns a promise for the metadata about the given path as a Stats object.
exists(path)
Returns a promise for whether the given path exists.
link(sourcePath, targetPath)
Creates a hard link from the sourcePath to targetPath.
symLink(sourcePath, targetPath, [type=file])
Creates a symbolic link from the sourcePath to targetPath.
chown(path, uid, gid)
Changes the owner of a given path.
chmod(path, mode)
Changes the mode of a given path to mode.
absolute(path)
isFile(path)
Returns a promise for whether the given path is a file.
isDir(path)
Returns a promise for whether the given path is a directory.
isSocket(path)
Returns a promise for whether the given path is a socket.
isSymLink(path)
Returns a promise for whether the given path is a symbolic link.
makeTmpFile([options])
Makes a temporary file. Returns a promise with generated path to file. The options:
- prefix (absent by default)
- dir (operating system's directory for temp files by default)
- ext (
.tmpby default)
listDir(path)
Returns a promise for a list of files and directories in directory at the given path.
makeDir(path, [mode=0777], [failIfExist=false])
Makes a directory at a given path and any necessary subdirectories (like mkdir -p). Returns a promise for the completion of the operation.
removeDir(path)
Recursively removes a directory at a given path (like remove -rf). Returns a promise for the completion of the operation.
glob(pattern, [options])
Matches files using the patterns. See https://github.com/isaacs/node-glob for details.