Update bash-9-scripting.md

docs/pages/bash/bash-9-scripting.md

@@ -15,14 +15,14 @@ When it will come the time to write scripts, you will have to use it extensively
 
 ## First scripts
 
-!!! question "Write a bash script called `count.sh` that allows to count the number of files contained in the directory `training_unix_basics`"
+!!! question "Write a bash script called `count.sh` that allows to count the number of files contained in the directory `training_unix_basics/data`"
 
 ??? example "Click to show the solution"
     ```bash
     #!/bin/bash
 
     # directory variable
-    directory=/home/<user_name>/training_unix_basics
+    directory=/home/<user_name>/training_unix_basics/data
 
     # count the number of files
     file_count=$(ls -1 "$directory" | wc -l)
@@ -31,7 +31,43 @@ When it will come the time to write scripts, you will have to use it extensively
     echo $file_count
     ```
 
+!!! question "Make the script executable with the `chmod` command and run it"
+
+??? example "Click to show the solution"
+    ```bash
+    chmod +x count.sh
+    ./count.sh
+    ```
+
 !!! question "Write a bash script called `count2.sh` that asks for a directory name and count the number of files contained"
 
+??? example "Click to show the solution"
+    ```bash
+    #!/bin/bash
+
+    # Ask the user to enter the name of a directory
+    echo -n "Enter the path of the directory to analyze : "
+    read directory
+
+    # count the number of files
+    file_count=$(ls -1 "$directory" | wc -l)
+
+    # display the result
+    echo $file_count
+    ```
+
 !!! question "Write a bash script called `count3.sh` that takes as an argument a directory name and count the number of files contained"
 
+??? example "Click to show the solution"
+    ```bash
+    #!/bin/bash
+
+    # directory variable
+    directory=/home/<user_name>/training_unix_basics/data
+
+    # count the number of files
+    file_count=$(ls -1 "$directory" | wc -l)
+
+    # display the result
+    echo $file_count
+    ```
\ No newline at end of file