Downloading files to local storage rather than keeping them in cloud storage has several advantages.
These include easier access, access without an internet connection, and complete ownership of your data.
you’re free to download single and multiple files using built-in Node.js modules.
you’ve got the option to also use a third-party library instead, to achieve the same results.
Thefsmodule supports many file tasks including read, create, update, remove, and rename.
Thehttpsmodule creates a web server to handle requests and deliver responses.
Thepathmodule provides a way to interact with directory and file paths.
This method takes a path argument and returns the last portion of a path.
For example:
Then, request the file from the server by invoking thehttps.get()method.
Thepipe()method then sends the GET response data stream to thefileStreamobject.
It’s crucial to log error messages when these errors take place to be able to tackle the issue.
The try-and-catch blocks make up the try…catch block.
Use a try/catch block to ensure that you’re able to catch any download-related errors.
If the request returns a status code outside the success range,200-299, there was a problem with the request.
To perform this task, you must modify certain parts of your script.
In JavaScript, arguments passed alongside thenodecommand are available in process.argv, a property of the global Node.js object.
This property returns an array of the command line arguments.
The first element in this array should benode, the actual command that you run.
The second will be the script filename, then each following argument should be a URL.
To download multiple files all at once, save the array fromprocess.argvin a variable.
This method selects from a specified start to a specified (non-inclusive) end.
In this case, passing a value of 2 removes thenodecommand name and your script filename.
it’s possible for you to do this in several ways depending on your particular objective.
Declare thedownloadFilefunction asasync, and create aPromiseto wait until the particular task is complete with theawaitkeyword.
To make it even easier, you’ve got the option to use a third-party module like download.
Both methods let you download files from a remote server and save them to the local file system.
You should choose the best method for your needs and use it in your next Node.js tool.
