Minishell

A small, Bash-like shell implemented in C (42 project).
It provides a prompt with history, command parsing, pipes & redirections, environment variable expansion, and the standard built-ins.

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Features

• Prompt & history (GNU Readline)
• Lexer/Parser with quotes, tokenization, and env expansion ($VAR, $?)
• Pipes & redirections: |, <, >, >>, heredoc << (with quoted/unquoted delimiter rules)
• PATH resolution for external commands
• Signals tuned for interactive use:
  • Ctrl-C (SIGINT): returns to prompt, exit code 130
  • Ctrl-\ (SIGQUIT): ignored at prompt
  • Ctrl-D: clean exit on empty line
• Built-ins (in-process, affect shell state):
  • echo (supports -n)
  • cd
  • pwd
  • export
  • unset
  • env
  • exit

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Build & Run

Prerequisites

• GNU Readline development headers (libreadline-dev / readline)
• make and a C compiler

git clone https://github.com/andrijajovanovic98/minishell
cd minishell
make
./minishell

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Result

Our result with tester: https://github.com/zstenger93/42_minishell_tester:

To test it, just compile it with the "make tester" command