diff --git a/WorkWithFile.h b/WorkWithFile.h
new file mode 100644
index 0000000000000000000000000000000000000000..b4b31316b28c09dd5ff91ebe3d8a3a656e64fd7f
--- /dev/null
+++ b/WorkWithFile.h
@@ -0,0 +1,161 @@
+//
+// Created by Egor Salkov on 17.12.2020.
+//
+
+//#ifndef SEM3_DZ1_WORKWITHFILE_H
+//#define SEM3_DZ1_WORKWITHFILE_H
+//
+//#endif //SEM3_DZ1_WORKWITHFILE_H
+#include <string>
+#include <iostream>
+#include "Apteka.h"
+#include <vector>
+#include <fstream>
+#include <algorithm>
+#include <iterator>
+#include <iomanip>
+
+class file_work {
+    string file_name;
+public:
+    void add_record(const string &file_name, const Apteka_st &p_rec) {
+        std::ofstream file(file_name, std::ios::app | std::ios::binary);
+        if (file.is_open()) {
+            file.write((char *) &p_rec, sizeof(p_rec));
+        } else cout << "File not open";
+        file.close();
+    }
+
+    file_work(const string name) : file_name(name) {}
+
+    template<typename Element>
+    vector<Apteka_st> search_element(Element element) {
+
+        vector<Apteka_st> res;
+        std::ofstream fileTMP("Find_Result", std::ios::out | std::ios_base::binary);
+        std::ifstream file(file_name, std::ios_base::binary);
+        if (!file.is_open())
+            return res;
+        Apteka_st apteka;
+
+        while (file.read((char *) &apteka, sizeof(apteka))) {
+            if (element(apteka))
+                res.push_back(apteka);
+        }
+
+        for (auto &a : res) {
+            fileTMP.write((char *) &a, sizeof(a));
+        }
+        file.close();
+        fileTMP.close();
+        remove("file_name");
+        rename("TMP", "file_name");
+
+        return res;
+    }
+
+
+    void change_record(const string &file_name, const int number, const string &name, const string &data,
+                       const Apteka_st &p_rec = Apteka_st()) {
+        std::ofstream fileTMP("TMP", std::ios::out | std::ios_base::binary);
+        std::ifstream file(file_name, std::ios_base::binary);
+        if (file.is_open()) {
+            Apteka_st apteka;
+            while (!file.eof()) {
+                file.read((char *) &apteka, sizeof(apteka));
+                if (apteka.number != number || apteka.name != name || apteka.data != data)
+                    fileTMP.write((char *) &apteka, sizeof(apteka));
+                else
+                    fileTMP.write((char *) &p_rec, sizeof(p_rec));
+            }
+            remove("file_name");
+            rename("TMP", "file_name");
+        } else std::cout << "File not found" << std::endl;
+        file.close();
+        fileTMP.close();
+    }
+
+    void delete_record(const int number, const string &name, const string &data) {
+        std::ofstream fileTMP("TMP", std::ios::out | std::ios_base::binary);
+        std::ifstream file(file_name, std::ios_base::binary);
+        if (file.is_open()) {
+            Apteka_st apteka;
+            while (file.read((char *) &apteka, sizeof(apteka))) {
+                if (apteka.number != number || apteka.name != name || apteka.data != data)
+                    fileTMP.write((char *) &apteka, sizeof(apteka));
+            }
+            file.close();
+            fileTMP.close();
+            remove("file_name");
+            rename("TMP", "file_name");
+        } else std::cout << "File not found" << std::endl;
+        file.close();
+        fileTMP.close();
+    }
+
+    void toText(const string &fileName) {
+        Apteka_st apteka;
+        std::ifstream file(fileName, std::ios_base::binary);
+        std::ofstream fileText(fileName + std::string("test.txt"));
+        if (file.is_open()) {
+            fileText << "\n";
+            fileText.fill(' ');
+            fileText << std::setw(10) << std::left << "number";
+            fileText << std::setw(15) << std::left << "name";
+            fileText << std::setw(20) << std::left << "NumberOfPackages";
+            fileText << std::setw(10) << std::left << "cost";
+            fileText << std::setw(20) << std::left << "data";
+            fileText << std::setw(10) << std::left << "time";
+            fileText << std::right << "\n";
+            fileText << std::right << "\n";
+            while (file.read((char *) &apteka, sizeof(apteka))) {
+                fileText.fill(' ');
+                fileText << std::setw(10) << std::left << apteka.number;
+                fileText << std::setw(15) << std::left << apteka.name;
+                fileText << std::setw(20) << std::left << apteka.NumberOfPackages;
+                fileText << std::setw(10) << std::left << apteka.cost;
+                fileText << std::setw(20) << std::left << apteka.data;
+                fileText << std::setw(10) << std::left << apteka.time;
+                fileText << std::setw(10) << std::endl;
+            }
+            fileText.width(90);
+            fileText.fill('*');
+            fileText << std::right << "\n";
+            fileText.close();
+        } else std::cout << "File not found" << std::endl;
+    }
+
+
+    void toConsole(const string &fileName) {
+        Apteka_st apteka;
+        std::ifstream file(fileName, std::ios_base::binary);
+        std::ofstream fileText(fileName + std::string("test.txt"));
+        if (file.is_open()) {
+            cout << "\n";
+            cout.fill(' ');
+            cout << std::setw(10) << std::left << "number";
+            cout << std::setw(15) << std::left << "name";
+            cout << std::setw(20) << std::left << "NumberOfPackages";
+            cout << std::setw(10) << std::left << "cost";
+            cout << std::setw(20) << std::left << "data";
+            cout << std::setw(10) << std::left << "time";
+            cout << std::right << "\n";
+            cout << std::right << "\n";
+            while (file.read((char *) &apteka, sizeof(apteka))) {
+                cout.fill(' ');
+                cout << std::setw(10) << std::left << apteka.number;
+                cout << std::setw(15) << std::left << apteka.name;
+                cout << std::setw(20) << std::left << apteka.NumberOfPackages;
+                cout << std::setw(10) << std::left << apteka.cost;
+                cout << std::setw(20) << std::left << apteka.data;
+                cout << std::setw(10) << std::left << apteka.time;
+                cout << std::setw(10) << std::endl;
+            }
+
+            cout << std::right << "\n";
+            fileText.close();
+        } else std::cout << "File not found" << std::endl;
+    }
+};
+
+