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I have created some image data which I've obtained from pixels. Anyway, now I would like to write a file using save-pixels, but the docs only give
var savePixels = require("save-pixels")
...
savePixels(pixels, "png").pipe(process.stdout)
How to rewrite this such that it writes it to a file with a specific name ?
850
pipe() Method. The readable. pipe() method in a Readable Stream is used to attach a Writable stream to the readable stream so that it consequently switches into flowing mode and then pushes all the data that it has to the attached Writable.
pipe was added in v0. 9.4 of Node. js and its purpose is to attach a writeable stream to a readable stream allowing to pass the readable stream data to the writeable stream.
Filestream in Node. js. Node makes extensive use of streams as a data transfer mechanism. For example, when you output anything to the console using the console. log function, you are actually using a stream to send the data to the console.
Import fs-module in the program and use functions to write text to files in the system. The following function will create a new file with a given name if there isn't one, else it will rewrite the file erasing all the previous data in it. Used Function: The writeFile() functions is used for writing operation.
Use the file system module included with node. Something like this:
var fs = require("fs");
var savePixels = require("save-pixels");
var myFile = fs.createWriteStream("myOutput.txt");
...
savePixels(pixels, "png").pipe(myFile);
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