33 lines
1.1 KiB
JavaScript
33 lines
1.1 KiB
JavaScript
|
// Read a file from disk, store it in Redis, then read it back from Redis.
|
||
|
|
|
||
|
|
var redis = require("redis"),
|
||
|
|
client = redis.createClient(),
|
||
|
|
fs = require("fs"),
|
||
|
|
filename = "kids_in_cart.jpg";
|
||
|
|
|
||
|
|
// Get the file I use for testing like this:
|
||
|
|
// curl http://ranney.com/kids_in_cart.jpg -o kids_in_cart.jpg
|
||
|
|
// or just use your own file.
|
||
|
|
|
||
|
|
// Read a file from fs, store it in Redis, get it back from Redis, write it back to fs.
|
||
|
|
fs.readFile(filename, function (err, data) {
|
||
|
|
if (err) throw err
|
||
|
|
console.log("Read " + data.length + " bytes from filesystem.");
|
||
|
|
|
||
|
|
client.set(filename, data, redis.print); // set entire file
|
||
|
|
client.get(filename, function (err, reply) { // get entire file
|
||
|
|
if (err) {
|
||
|
|
console.log("Get error: " + err);
|
||
|
|
} else {
|
||
|
|
fs.writeFile("duplicate_" + filename, reply, function (err) {
|
||
|
|
if (err) {
|
||
|
|
console.log("Error on write: " + err)
|
||
|
|
} else {
|
||
|
|
console.log("File written.");
|
||
|
|
}
|
||
|
|
client.end();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|