42_minishell

A small shell like bash.

Article

ToYeah :

shellの文字列分解と環境変数展開を再実装した

[bash] カレントディレクトリが存在しなくてもcd ./は成功する

nafuka :

bash再実装の課題振り返り

Usage

git clone https://github.com/ToYeah/42_minishell.git && make -C 42_minishell && ./42_minishell/minishell

Tester

https://github.com/nafuka11/42_minishell_tester

Feature

• Simple command.
• Relative path command.
• Absolute path command.

minishell > ls
minishell > /bin/ls
minishell > ./test.sh

• Redirection

minishell > ls > ls.txt
minishell > ls >> ls.txt
minishell > cat < ls.txt
minishell > cat < ls.txt 1>out.txt 2>error.txt

• Pipe

minishell > ls | cat
minishell > ls | cat | grep 42

• combination

minishell > ls | cat > cat.txt
minishell > cat < cat.txt | grep 42 | wc 1> wc.txt

Builtin command

• echo

minishell > echo hello
minishell > echo -n hello

• cd

minishell > cd ./dir
minishell > cd /bin

• pwd

minishell > pwd

• export

minishell > export PATH="/"

• unset

minishell > unset

• env

minishell > env

• exit

minishell > exit
minishell > exit 42
minishell > exit -- 1