Updates README-en.md

Auto commit by GitBook Editor

README-en.md

@@ -255,6 +255,15 @@ In this exercise you will modify the `main` function and some of the pre-defined
 
 #### Instructions
 
+1. Notice the following line in the main funcion.  
+    ```cpp
+    filemanip file("dvd_csv.txt") ;
+    ```
+   Its purpose is to associate the object called `file` with the data file `dvd_csv.txt`. When openning a data file in a program it is often necessary to specify the file's absolute path to guarantee that it is found regardless of where the executable is placed. Find out the **absolute path** of `dvd_csv.txt` and substitute it for the current `"dvd_csv.txt"` string. For example, after the change the line could look as follows:
+    ```cpp
+    filemanip file("/home/eip/dvddvd_csv.txt") ;
+    ```
+
 1. Perform the following implementations in the `main` function (in the `main.cpp` file):
     * Add code so that the program displays the movies that have positions from 80 to 100.
     * Add code so that the program displays only the movies that have “forrest gump” in the title.