Project Name

Minishell is a lightweight implementation of bash

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Todo

Environment

• Write new CWD to $CWD
• Parse ~/.mshrc
• write return code to $?

Prompt

• Rework execution time so it works cross platform, maybe with time?
• Fix on Mac, Total garbage

Parser

1. Quotes
2. ;
3. {} () < > << >> <<< | [] ? & && ||
4. • $NAME $(command)
5. prepare commands for execve

Exec

1. fork if there are pipes
2. execve all the commands

Builtins

• cd
• export
• unset
• alias
• env Test properly
• pwd Test properly
• echo Test properly
• exit Test properly

Signals

• ^C should break the readline
• ^\ shouldn't print anything

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Bugs

crashes when giving proper memory and a lot of arguments

Overwrites line when typing past the terminal width at first command

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Improvements

Handle scripts from stdin or argument

• Functions()
• Statements, if, then, else, elif, while, for

Posix Compliant

• //// is the same as / or /////////////////////////////

Extra Builtins

• z to jump around

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Usage

1. Simply clone or download the repository
2. Run make in the cloned directory
3. Start the shell with ./minishell

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Tester

Todo

• Figure out the best way to test minishell

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This project is part of the studies at 42