fs-ext

Extras not included in Node's fs module.

Installation

Install via npm:

npm install fs-ext

Usage

fs-ext imports all of the methods from the core 'fs' module, so you don't need two objects.

var fs = require('fs-ext');
var fd = fs.openSync('foo.txt', 'r');
fs.flock(fd, 'ex', function (err) {
    if (err) {
        return console.log("Couldn't lock file");
    }
    // file is locked
})

API

fs.flock(fd, flags, [callback])

Asynchronous flock(2). No arguments other than a possible error are passed to the callback. Flags can be 'sh', 'ex', 'shnb', 'exnb', 'un' and correspond to the various LOCK_SH, LOCK_EX, LOCK_SH|LOCK_NB, etc.

fs.flockSync(fd, flags)

Synchronous flock(2). Throws an exception on error.

fs.seek(fd, offset, whence, [callback])

Asynchronous lseek(2).

callback will be given two arguments (err, currFilePos).

whence can be 0 (SEEK_SET) to set the new position in bytes to offset, 1 (SEEK_CUR) to set the new position to the current position plus offset bytes (can be negative), or 2 (SEEK_END) to set to the end of the file plus offset bytes (usually negative or zero to seek to the end of the file).

fs.seekSync(fd, offset, whence)

Synchronous lseek(2). Throws an exception on error. Returns current file position.

fs.utime(path [, atime, mtime] [, callback])

Asynchronous utime(2).

Arguments atime and mtime are in seconds as for the system call. Note that the number value of Date() is in milliseconds, so to use the 'now' value with fs.utime() you would have to divide by 1000 first, e.g. Date.now()/1000

Just like for utime(2), the absence of the atime and mtime means 'now'.

fs.utimeSync(path [, atime, mtime])

Synchronous version of utime(). Throws an exception on error.

tshinnic/node-fs-ext

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