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Minishell (msh$)

minishell

Welcome to our Minishell project, developed as part of the curriculum at 42 Berlin. This project aims to build a simple shell (command interpreter) in C, mirroring the basic functionalities of bash. By implementing Minishell, we delved deep into the workings of a Unix shell, processes, file descriptors, and environment variables, enhancing our understanding of system calls and C programming.

Features

  • Command Execution: Executes commands found in the PATH.
  • Builtin Commands: Includes echo, cd, pwd, export, unset, env, and exit as built-in functions.
  • Redirections and Pipes: Handles input/output redirections (<, >, >>) and pipes (|).
  • Environment Variables: Supports setting and expanding environment variables ($VAR_NAME).
  • Error Handling: Provides meaningful error messages, mirroring those from bash.
  • Signal Handling: Manages signals like CTRL-C to interrupt commands, CTRL-D to exit the shell, and CTRL-\ to ignore.

Installation and Usage

Clone the repository and build the Minishell executable:

git clone https://github.com/eschencode/minishell.git
cd Minishell
make

To run Minishell, execute:

./minishell