Fix: incorrect argument usage in Challenge 4 (of the session 9)

[kasra-dr]

Issue

The script output does not match the expected result.
The issue is caused by the incorrect usage of the argument "$1".

Original Code (Buggy)

#!/bin/bash

list_files() {
  for file in $1/*; do
    echo $file
    if [[ -d $file ]]; then
      list_files $file
    fi
  done
}

Fixed Code

#!/bin/bash

read -p "Please enter your directory path: " directory_path
list_files() {
    for file in $(ls "$1"/*); do
    echo $file
    if [[ -d $file ]]; then
      list_files $file
    fi
  done
}

list_files $directory_path