Placing files into folders on the date the file was created (Размещение файлов по папкам относительно даты создания файла)

file-sort.js

var path = require('path');
var fs = require('fs');

var noColor = process.argv.indexOf("--nocolor") > -1;
var testMode = process.argv.indexOf("--test") > -1;

function two(num) {
    return ("0" + num).slice(-2);
}

function formatDate(date) {
    return "" + date.getFullYear() + "-" + two(date.getMonth()) + "-" + two(date.getDate());
}

function formatSize(size) {
    var s = "";
    while (size > 0) {
        s = "" + size%1000 + " " + s;
        size = Math.floor(size/1000);
    }
    return s;
}

function quoted(text){
    return "\"" + text + "\"";
}

var styles = {
    'green'     : ['\x1B[32m', '\x1B[39m'],
    'red'       : ['\x1B[31m', '\x1B[39m']
};

function color(colorName, text) {
    if (noColor) { return text; }
    return styles[colorName][0] + text + styles[colorName][1];
}

function action(srcDir, dstDir, next) {

    if (!srcDir) { return next("Source directory not specified"); }
    if (!dstDir) { return next("Source directory not specified"); }

    if (!fs.existsSync(srcDir)) { return next("Source directory not found"); }
    if (!fs.existsSync(dstDir)) { return next("Destination directory not found"); }

    if (testMode) { console.log("Testing..."); }
    console.log("Source:", quoted(srcDir));
    console.log("Destination:", quoted(dstDir));

    var srcFiles = [];
    var srcStat, dstStat, srcFilePath, dstFilePath;
    var dir, dirs = {};
    var count = 0;
    fs.readdirSync(srcDir).forEach(function(file) {
        srcFilePath = path.join(srcDir, file);

        srcStat = fs.statSync(srcFilePath);
        if (srcStat.isFile()) {
            dir = path.join(dstDir, formatDate(srcStat.mtime));

            srcFiles.push({
                srcStat: srcStat,
                srcFilePath: srcFilePath,
                dir: dir,
                dstFilePath: path.join(dir, file)
            });
        }
    });

    console.log("Found", color("green", srcFiles.length), "files");

    srcFiles.forEach(function(info) {
        srcStat = info.srcStat;
        srcFilePath = info.srcFilePath;
        dir = info.dir;
        dstFilePath = info.dstFilePath;

        if (!testMode) {
            if (!dirs[dir]) {
                try {
                    fs.mkdirSync(dir);
                } catch(e) {
                    console.log("Directory", color("red", quoted(dir)), "already exists");
                }
                dirs[dir] = true;
            }
        }

        if (fs.existsSync(dstFilePath)) {
            dstStat = fs.statSync(dstFilePath);
            console.log("File",  color("red", quoted(dstFilePath)), "already exists");
            console.log("\tOld:\t\t\tNew:");
            console.log("\tsize:  ", color("green", formatSize(srcStat.size)),  "\tsize:  ", color("green", formatSize(dstStat.size)));
            console.log("\taccess:", color("green", formatDate(srcStat.atime)), "\taccess:", color("green", formatDate(dstStat.atime)));
            console.log("\tmodify:", color("green", formatDate(srcStat.mtime)), "\tmodify:", color("green", formatDate(dstStat.mtime)));
            console.log("\tcreate:", color("green", formatDate(srcStat.ctime)), "\tcreate:", color("green", formatDate(dstStat.ctime)));
            return;
        }

        if (!testMode) { fs.renameSync(srcFilePath, dstFilePath); }
        console.log("File",  color("red", quoted(dstFilePath)), "moved");
        count++;
    });

    next(null, count);
}

action(process.argv.filter(function(item) { return item[0] !== "-"; })[2], process.argv.filter(function(item) { return item[0] !== "-"; })[3], function(err, count) {
    if (err) { return console.error(color("red", err)); }
    console.log("Moved", color("green", count), "files");
});