🐚 minishell

A minimal Unix shell implementation written in C as part of the 42 School curriculum. This project recreates essential shell behavior such as command execution, pipes, redirections, and environment variable handling.

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🛠️ How to Use

To compile, run it in terminal

make

then run

./minishell

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🚀 Features

• Custom interactive prompt using readline
• Execution of commands via $PATH or absolute/relative paths
• Built-in commands:
  • echo (with -n)
  • cd
  • pwd
  • export
  • unset
  • env
  • exit
• Pipes (|)
• Redirections:
  • Input <
  • Output >
  • Append >>
  • Here-document <<
• Environment variable expansion ($VAR, $?)
• Signal handling:
  • Ctrl-C → new prompt
  • Ctrl-D → exit shell
  • Ctrl-\ → ignored

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🧪 Example commands

echo hello world
ls -l | grep minishell
cat < infile > outfile
echo $HOME
echo $?

Contributors

Danny: lexing, parsing, memory management, environment variable management, exit status

Ping: pipe, redirection, command execution, signal handling, exit status