Currently working with node, I have a script that requests data from an API and formats it into JSON required for dynamo. Each day generates around 23000 records which I am trying to save on my hard drive. Could someone advise me on how to save the content of a variable to a file? Previous pages I've looked at mainly focus on HTML elements with onclick events. Any assistance would be greatly appreciated.
If you want to write to a new file or replace an old one
var fs = require('fs'); // include the fileSystem node module
fs.writeFile("pathToFile", "Content", function(err) {
if(err) {
return console.log(err);
}
console.log("The file has been saved!");
});
Alternatively, you can append to an existing file
fs.appendFile("pathToFile", "Content", function (err) {
if (err) throw err;
console.log('Saved!');
});
Want to log information from JavaScript? A common method is using AJAX to send the value of a variable to be saved. With server-side scripts like Node's FileSystem API, you can store this data in a specific file for future reference.
Here's an example:
function saveVariableToServer(variable) {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
alert("Saved successfully!");
}
};
xhttp.open("POST", "save?var=" + variable, true);
xhttp.send();
}
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