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Minishell - @42Kocaeli

Ekran.Kaydi.2022-12-15.OS.12.27.25.mov

About

This project is about creating a simple shell. Yes, your own little bash. You will learn a lot about processes and file descriptors. Enjoy it!

Installation & Usage

Requirements

The only requirements are:

  • GNU make
  • Readline library
  • GCC

Building the program

  1. Open terminal and go HOME with cd ~, write this vim .zshrc and add this code:
function brew_install()
{
	cd /goinfre
	mkdir homebrew && curl -L https://github.com/Homebrew/brew/tarball/master | tar xz --strip 1 -C homebrew
	cd homebrew/bin && ./brew install readline
}
  1. Close your current terminal, re-open and write brew_install in your terminal. Wait for it to end!
  2. Finally you can go where u cloned this project and you can execute like this ./minishell
  3. Don't forget if you switch to another computer on campus you must write again brew_install for installion.

Mandatory

  • Can only use C
  • Must respect the school imposed coding style
  • No memory leaks
  • Implement a series of builtins: echo, cd, setenv, unsetenv, env, exit
  • Manage the errors without using errno, by displaying a message adapted to the error output
  • Can only use these standard library functions:
    • malloc, free
    • access
    • open, close, read, write
    • opendir, readdir, closedir
    • getcwd, chdir
    • stat, lstat, fstat
    • fork, execve
    • wait, waitpid, wait3, wait4
    • signal, kill
    • exit
  • Must have a Makefile to build the program
  • The binary file must be named minishell
  • Can use Libft
  • Handle program interruption (Ctrl + D)

Some Issues and How Did ve Fixed it

If we have solved it, it will appear as drawn, if we have not solved it, only the problem will be written.

  • ✅ Firstly if u write only "unset" terminal will suppress segmentation fault to screen. The solution is simple, I will do it when I am available. We need to check if in the unset part, just it!