A Bash-inspired shell programmed in C. Capable of command parsing and execution, environmental variable expansion and some builtin functions, along with other shell functionalities such as redirection, pipes and signal handling.
This was a two-person project completed with ilonazh
Clone the repository:
git clone git@github.com:mpeterson114/minishell.git
Compile:
cd minishell && make
And run the executable:
./minishell
A prompt will appear. You can then enter your shell commands to be executed.
To exit the Minishell, enter the ctrl-dcommand.
- Prompt display
- Command history (up and down arrows)
- System executables available from the environment (
ls,cat,grep, etc.) - Local executables (
./minishell) - Builtin commands :
echo(with/without option-n)cd(with only a relative or absolute path)pwd(no options)export(no options)unset(no options)env(no options or arguments)exit(with exit number but no other options)
- Pipes
| - Redirections:
>redirects output>>redirects output in append mode<redirects input<< DELIMITERdisplays a new prompt, reads user input until reaching the specifiedDELIMITER, redirects user input to command input (does not update history)
- Environment variables (i.e.
$USERor$VAR) that expand to their values. $?expands to the exit status of the most recently executed foreground pipeline.- User keyboard signals:
ctrl-cdisplays a new prompt line.ctrl-dexits minishellctrl-\does nothing
Minishell does not support \, ;, &&, ||, or wildcards.