Simple Shell

Describe the function that emulates the functionality of "sh" in linux

Introduction

This document describe the functionality of this program that emulates in most of the characteristics of the command language interpreter "sh" of Linux.

Download

$ git clone https://github.com/josecaro02/simple_shell.git

Use

With the next command you can compile the whole project with the name that you want, but for this manual we name it "hsh"

gcc -Wall -Werror -Wextra -pedantic *.c -o hsh

Now your are able to use it executing it typing

vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$ ./hsh
$

There are two more ways to execute this program with: -The first one only execute the program one time, like this:

vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$ echo "ls" | ./hsh
file1 file2 file3.c file4.js
vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$

-The second one execute this program based in sentences saved in a file like this

vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$ cat test_file
/bin/ls
ls
vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$ cat test_file | ./hsh
file1 file2 file3.c file4.js
file1 file2 file3.c file 4.js
vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$

Exit program

There are two ways to exit this program typing "Ctrl + d" or exit

vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$ ./hsh
$ exit 100
vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$ echo $?
100

Built with

Ubuntu 14.04 and C language in Emacs.

#Authors [José David Caro Cantor] - (www.github/josecaro02) [Sebastian Chingate Cepeda] - (www.github/sebastianchc)