diff --git a/index.js b/index.js
index 8635050..bf5d033 100644
--- a/index.js
+++ b/index.js
@@ -12,14 +12,93 @@ function getFiles() {
 }
 
 function processCommand(command) {
+    let commands = command.split(" ");
+
     switch (command) {
         case 'exit':
             process.exit(0);
             break;
+
+
+        case 'show':
+            console.log(toShow());
+            break;
+
+        case 'important':
+            console.log(showImportant());
+            break;
+
+        case 'user':
+            console.log(showByUser(splitedCommand[1]));
+            break;
+
+        case 'sort':
+            switch (commands[1]){
+                case 'importance':
+                    console.log(sortImp());
+                    break;
+                case 'user':
+                    console.log(sortUser());
+                    break;
+                case 'date':
+                    console.log(sortDate());
+                    break;
+            }
+            break;
+
         default:
             console.log('wrong command');
             break;
     }
 }
 
+//2. show : показать все todo
+function toShow() {
+    let lines = [];
+    for (let file of files)
+        lines.push(...file.split('\r\n'));
+    lines = lines.flat(Infinity);
+    const matches = [];
+    for (let line of lines) {
+        let search = line.indexOf(`// TODO`);
+        if (search != -1)
+            matches.push(line.substring(search));
+    }
+    return matches;
+}
+
+//3.  important : показывать только todo, в которых есть восклицательный знак
+function showImportant() {
+    let allTasks = toShow();
+    let importantTasks = []
+    for (let task of allTasks){
+        if (task.includes('!')){
+            importantTasks.push(task);
+        }
+    }
+    return importantTasks;
+}
+
+//4. user {username} : показывать только комментарии от указанного пользователя
+function showByUser(name){
+    return toShow().filter(line => line.toLowerCase().includes(name.toLowerCase()))
+}
+
+//5. sort {importance | user | date} : выводит отсортированные todo
+//
+function sortImp() {
+    let allTODO = toShow();
+    return allTODO.sort(compareImp);
+}
+
+function sortUser() {
+    let newAllTODO = toShow().sort().sort(compareUser);
+    return newAllTODO;
+}
+
+function sortDate() {
+    let allTODO = toShow();
+    return allTODO.sort(compareDate);
+}
 // TODO you can do it!
+//123\Desktop\Intensive\2-todo-statistic-master\2-todo-statistic-master\index.js