I have a GIF file stored in the "assets" directory on my computer. I want to create multiple duplicates of this file within the same directory, each with a unique filename.
For example:
If there is a GIF file named "0.gif" in the assets directory, I would like to make 10 copies of this file and name them "1.gif," "2.gif," "3.gif," and so on.
To simplify the process, one can utilize the fs module along with the copyFile function.
const fs = require("fs");
const path = require("path");
let copyMultiple = (src, count) => {
let initCount = 0;
while (initCount < count) {
initCount++;
const newFileName = `${initCount}_${initCount}${path.extname(src)}`;
console.log(newFileName, "is new file name");
fs.copyFile(src, newFileName, (error) => {
if (error) {
console.log(error);
}
});
}
};
copyMultiple("1.gif", 3);
Another more sophisticated approach is presented below:
const util = require("util");
const fs = require("fs");
const path = require("path");
const copyFilePromise = util.promisify(fs.copyFile);
function copyFiles(srcFile, destDir, destFileNames) {
return Promise.all(
destFileNames.map((file) => {
return copyFilePromise(srcFile, path.join(destDir, file));
})
);
}
const myDestinationFileNames = ["second.gif", "third.gif"];
const sourceFileName = "1.gif";
copyFiles(sourceFileName, "", myDestinationFileNames)
.then(() => {
console.log("Copying is Done");
})
.catch((err) => {
console.log("Got and Error", error);
});
This method also provides the advantage of tracking the completion status.
For further information, refer to the documentation here
const fs = require("fs")
const fileName = "index.js".split(".") //file name split into parts like 0.gif
const duplications = 10 // number of times to create duplicates
for(var count = 1; count < duplications; count++){
const newFileName = `${(parseInt(fileName[0]) + count)}.${fileName[1]}` //new file name like 0.gif becomes 1.gif
fs.copyFileSync(fileName, newFileName)
}
Utilize the write and read functions from the fs module along with a basic for loop
If you're unsure about the framework you're using, fs.copyFile() is a common method for node.js development. You can find more information about it at this link.
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