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Node.js | Path Module

Node.js Path Module


Hello folks! welcome back to a new edition of our tutorial on Node.js. In this section of our tutorial on Node.js, we will be studying about Node.js Path Module.

Node.js path module is used to handle and transform file paths. Following below is the syntax used to import the path module -

var path = require("path")

Methods

Following table below is the list of methods available in Node.js path module -

Sr.No.Method & Description
1

path.normalize(p)

Normalize a string path, taking care of '..' and '.' parts.

2

path.join([path1][, path2][, ...])

Join all the arguments together and normalize the resulting path.

3

path.resolve([from ...], to)

Resolves to an absolute path.

4

path.isAbsolute(path)

Determines whether the path is an absolute path. An absolute path will always resolve to the same location, regardless of the working directory.

5

path.relative(from, to)

Solve the relative path from from to to.

6

path.dirname(p)

Return the directory name of a path. Similar to the Unix dirname command.

7

path.basename(p[, ext])

Return the last portion of a path. Similar to the Unix basename command.

8

path.extname(p)

Return the extension of the path, from the last '.' to end of string in the last portion of the path. If there is no '.' in the last portion of the path or the first character of it is '.', then it returns an empty string.

9

path.parse(pathString)

Returns an object from a path string.

10

path.format(pathObject)

Returns a path string from an object, the opposite of path.parse above.



Properties

The following table is the list of properties available in Node.js path module -

Sr.No.Property & Description
1

path.sep

The platform-specific file separator. '\\' or '/'.

2

path.delimiter

The platform-specific path delimiter, ; or ':'.

3

path.posix

Provide access to aforementioned path methods but always interact in a posix compatible way.

4

path.win32

Provide access to aforementioned path methods but always interact in a win32 compatible way.


Example

Let us create a js file, main.js making use of the following code -

var path = require("path");

// Normalization
console.log('normalization : ' + path.normalize('/test/test1//2slashes/1slash/tab/..'));

// Join
console.log('joint path : ' + path.join('/test', 'test1', '2slashes/1slash', 'tab', '..'));

// Resolve
console.log('resolve : ' + path.resolve('main.js'));

// extName
console.log('ext name : ' + path.extname('main.js'));

Now run the main.js to see the result -

$ node main.js

Output

Verify the output.

normalization : /test/test1/2slashes/1slash
joint path : /test/test1/2slashes/1slash
resolve : /web/com/1427176256_27423/main.js
ext name : .js


Alright guys! This is where we are going to be rounding up for this tutorial. In our next tutorial, we will be studying about Node.js Net Module.

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