mokhtarmramadan/simple_shell

Introduction:

The simple shell project is a project for students of alx africa school and that project is the final project for the basics of c programming language , shell commands.The simple shell project is a simulation for the real shell of linux and it works with the same way which the real shell works with.

Usage:

In order to run this program, Clone This Repo https://github.com/mokhtarmramadan/simple_shell.git compile it with: gcc 4.8.4 -Wall -Werror -Wextra -pedantic *.c -o hsh run it with ./hsh command

How to use it:

in order to use the sell program you will see a text which is: sash you type any command you want beside that word

Examples of commands which you can use:

• ls command: you can use that command to list all files and directories in your folder or directory
• env command: Displays the environment variable
• exit [exitstatus] Exit from the program with exitstatus value. 0 by default.

Files of simple shell:

• shell.c: That is the main file of the project it has main code of the project which is:
  • code of the promot which has the word sash
  • code of getline function which get the input from the user
  • code of check_getline function which will check some important points:
    1. check if the getline function succeed or not
    2. check if the buffer array which has the input of the user has any spaces
    3. check if the command is env it will print the environment variable
  • code of arguments which are exist in any command for example ls -l or touch Mo.c
  • code of execute system call which will execute any command
• print_env.c: It will print the environment in form of key = value
• check_getline.c:
  1. check if the getline function succeed or not
  2. check if the buffer array which has the input of the user has any spaces
  3. check if the command is env it will print the environment variable
  4. check if the input of the user is exit it will exit the program
• check_getline.c:
  1. check if the getline function succeed or not
  2. check if the buffer array which has the input of the user has any spaces
  3. check if the command is env it will print the environment variable
  4. check if the input of the user is exit it will exit the program
• check_space.c: Check if the input is only spaces without any letters or words if that function will find any letter it will return 1
• contributors : Ahmed Elsharkwi Mokhtar M. Ramadan