Minishell

Description

School 21 project. Implementation of shell in C.

Task file: Subject.pdf

This is group project. It was made by Ollietani and senglish42.

Usage

Project requiries:

• GNU Readline Library

To run program:

1. Clone repository: git clone [email protected]:Ollietani/Minishell_21.git

2. cd to directory Minishell_21

3. Run make to execute minishell

4. After building run ./minishell

Project requirements

• Shell should implement the buildins:

  • echo with option -n

  • pwd with no options

  • export with no options

  • unset with no options

  • env with no options or arguments

  • exit with no options

• Not interpret unclosed quotes or unspecified special characters like \ or ;

• Have a working History

• Search and launch the right executable

• ’ and " inhibit all interpretation of a sequence of characters

• Redirections:

  • < should redirect input
  • > should redirect output
  • << read input from the current source until a line containing only the delimiter is seen
  • >> should redirect output with append mode

• Pipes | The output of each command in the pipeline is connected via a pipe to the input of the next command

• Environment variables ($ followed by characters) should expand to their values

• $? should expand to the exit status of the most recently executed foreground pipeline

• ctrl-C ctrl-D ctrl-\ should work like in bash

• When interactive:

  • ctrl-C print a new prompt on a newline
  • ctrl-D exit the shell
  • ctrl-\ do nothing