Project Shell Simple (alias Shelley)

Shelley is a simple shell running in Linux environment which is able to run Kernel commands and some builtin commands which be described in last sections of this document.

Shelley's code is C language and it's construction is part of advanced projects from first cohort (I - 2019) of Holberton School in Bogota, Colombia.

How to start

Clone this repository in a new directory in your machine.

' git clone https://github.com/ledbagholberton/simple_shell.git '

Run the "make" command to compile all the c files and copy help files in $HOME directory

' make '

Now the executable file was generated and it will run to Shelley.

' ./hsh '

Usage example

Shelley execute kernel commands in non-interactive mode.

Shelley execute builtin commands in non interacive mode.

Shelley execute kernel commands in interactive mode.

Shelley execute builtin commands in interactive mode.

##Functions used

built_exit - Builtin function exit

built_cd - Builtin function cd

cd_parent - Builtin function cd in parent

built_history - Builtin function history

========== engine.c ==========

valid_command - validation function (kernel or builtin)

_which - path

check_cd - support to change dir

_strdup - string copy

get_path - get home from environ var

========== env_func.c ==========

create_env - make a copy from environ var

_env - Builtin function env

========== error.c ==========

pperror - our perror function

========== _getline.c ==========

get_home - return $HOME

delete_delim - support to _strtok

_strcopy - our strcopy

_realloc - our realloc

_getline - our getline

========== main.c ==========

main - main function

.init_file - initialization of variables

CTRLC - Ctrl-C function

========== shell.c ==========

invoke_shell - starting shell

hand_status - handling status from exit builtin

print_prompt - printing prompt

check_interactive - support to interactive mode

========== string_op.c ==========

split - split of strings

_strncmp - our strcmp

str_concat - concatenation of strings

_atoi - our atoi functions

<_strlen - our strlen function

========== _strtok.c ==========

is_in_delim - support to _strtok function

look_first_char - support to -strtok function

look_first_delim - support to -strtok function

look_last_delim - support to -strtok function

_strtok - our strtok function

Release History

• 0.0.1
  • (15-04-2019) First version

Authors

Giovanny Perez - [@ledbag] Holberton School Colombia Student Haroldo Velez - [@harovlz] Holberton School Colombia Student

Distributed under the XYZ license. See LICENSE for more information.

https://github.com/yourname/github-link