Probleme AST PIPE

42sh

Bash-like shell It's a command-line interpreter

Prompt with line edition
Builtins alias, bg, cd, echo, exit, export, fg, hash, jobs, set, source, test, type, unalias, unset
Executing simple commands
Execute in background &
Redirection >, >>, < and |
Heredoc <<
Logical operands && and ||
Separator ;
Inhibitors ", ' and \
Environment and local variables $VAR or ${VAR}
Command substitution $(CMD)
Dynamical autocompletion
History (saved in ~/.42sh_history)
PS1 environment variable to custom shell prompt (wiki)

$>  git clone https://github.com/tcollard/42sh.git
$>  cd 42sh && make
$>  ./42sh

Commands	Functions
`!!`	Last command in history
`!word`	Look for the last command starting by `word`
`![-]number`	Look for the command at index `number`, `-` define that the search starts from the end

Commands	Functions
`alias`	List all the current aliases set
`alias [name[=value] ...]`	Sets an alias for `name` so it replaces as `value` internally
`unalias [-a] name [name ...]`	Remove the `name` arguments of the alias table. `-a` removes all aliases

Commands	Functions
`hash`	List hash table contents
`hash -r`	Clear the hash table

Commands	Functions
`jobs [n]`	List all the current running jobs, `n` specify the job you want (the form is in job id form or it can be a numerical value)
`fg [n]`	Bring the specified job to foreground
`bg [n]`	Bring the specified job to background

All of our shell functionalities are in Posix norm.

	tmp = find_elem_env(lst_env, "PWD");
	ft_memdel((void **)&(tmp->value));