/minishell

As beautiful as shell. Project from 42 São Paulo

Primary LanguageC

MINISHELL

As beautiful as shell

Introduction

The aim of the project is to recreate a linux terminal from scratch using C programmming language.
In this very simple version, some of the features of a shell were implemented as environment variables, pipes and redirections.
The main goal is to have a good understanding of processes and learn more about file descriptors.

Development team:

      Roman - robitett
      Vitoria - vscabell

Usage

Build Instructions

$ git clone https://github.com/vscabell/minishell
$ cd minishell
$ make
$ ./minishell

Run the program

$ ./minishell

Functions

  • Show a prompt when waiting for a new command
  • Navigate through command history using up ↑ and down ↓ arrows
  • Builtin implementation:
    -echo (with flag -n)
    -cd (absolute and relative path)
    -pwd
    -export
    -unset
    -env
    -exit
  • Environment variables ($ followed by characters)
  • Simple quotes ' and double quotes " should work like in bash
  • Escape special chars with \
  • Multiples commands separated with semicolon ;
  • Pipes | (except for multiline commands)
  • Redirections <, >, >>
  • ctrl-C, ctrl-D and ctrl-\ signals must be handled
  • $? it should work like in bash.