tannyaarr / simple_shell

• This is a collaborative project made by Tanya Chiramba and Joseph Abang, Students of software engineering at ALX Africa. This repo contains files for the simple_shell project. The project requires us to develop our own UNIX command interpreter (shell).

File structure

These are the files with custom system calls and functions with a brief description.

file	Description
'.shell.c'	Contains entry point, file and line reader functions
'AUTHORS'	The names of contributors
'README.md'	Readme.md file
'shell_data.c'	Contains initializer, free and other helperr functions
'exec.c'	File contains execution functions
'exec_help.c'	Helper functions for the execution of the shell
'tokenizer.c'	Line tokenizer and helper function
'getline.c'	Gets line
'get_path.c'	Gets and handles path
'cmd.c.c'	Contains some built-in commands
'cd.c'	Contains cd built-in
'string.c'	Contains (string.h) functions implemented by the team
'more_string.c'	File contains more (string.h) fuctions
'setenv.c'	Set environment variables
'shell.h'	Header file containing all prototypes
'hsh'	Executable File (Program name)

REQUIREMENTS

• Write a UNIX command line interpreter.
• Handle command lines with arguments
• Handle the PATH
• Implement the exit built-in, that exits the shell
• Implement the env built-in, that prints the current environment
• Write your own getline function
• You are not allowed to use strtok
• Implement the setenv and unsetenv builtin commands
• Implement the builtin command `cd`
• Handle the commands separator ;
• Handle the && and || shell logical operators
• Implement the alias builtin command
• Handle variables replacement
• Handle comments (#)
• File as input