Pipex Project @42 Málaga

Introduction

The pipex program is a simplified UNIX pipeline emulator, implemented in C. The program mimics the functionality of running the following shell command:

< infile cmd1 | cmd2 > outfile

The project is also extended with bonus features, including error handling and support for multiple pipes.

Contents

- src/
  - childs.c
  - errors.c
  - exit.c
  - init.c
  - main.c
  - parser.c
  - utils.c
- bonus/
  - childs_bonus.c
  - errors_bonus.c
  - exit_bonus.c
  - init_bonus.c
  - main_bonus.c
  - parser_bonus.c
  - utils_bonus.c
- inc/
  - pipex.h
- lib/
  - libft/

Dependencies

• Standard C Libraries
• gcc compiler
• make

Makefile

Compilation Flags

• -Wall -Wextra -Werror

Targets

• all: Compiles the main program.
• bonus: Compiles the bonus version.
• clean: Removes object files.
• fclean: Removes object files and the compiled program.
• re: Re-compiles the program.

How to Compile

1. Clone the repository.
2. Run make for the main program or make bonus for the bonus version.

make
# OR
make bonus

Usage

• Standard version:

./pipex infile "cmd1" "cmd2" outfile

• Bonus version:

./pipex_bonus infile "cmd1" "cmd2" ... "cmdN" outfile

Functions and Files

Main Source Files

• main.c: Entry point of the program.
• errors.c: Contains error-handling functions.
• utils.c: Utility functions.
• parser.c: Command-line argument parser.
• init.c: Initialization functions.
• childs.c: Child process functions.
• exit.c: Exit and cleanup functions.

Bonus Source Files

• main_bonus.c: Entry point for bonus version.
• errors_bonus.c: Bonus error-handling functions.
• utils_bonus.c: Bonus utility functions.
• parser_bonus.c: Bonus command-line argument parser.
• init_bonus.c: Bonus initialization functions.
• childs_bonus.c: Bonus child process functions.
• exit_bonus.c: Bonus exit and cleanup functions.