diff --git a/42sh/src/builtin/bt_env_get.c b/42sh/src/builtin/bt_env_get.c
new file mode 100644
index 00000000..5f50c84e
--- /dev/null
+++ b/42sh/src/builtin/bt_env_get.c
@@ -0,0 +1,37 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   bt_env_opt.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/03/25 20:39:54 by jhalford          #+#    #+#             */
+/*   Updated: 2017/03/25 20:41:58 by jhalford         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+int			bt_env_opt_i(char *opt_arg, t_env_data *data)
+{
+	(void)opt_arg;
+	ft_tabdel(&data->custom_env);
+	return (0);
+}
+
+int			bt_env_opt_u(char *opt_arg, t_env_data *data)
+{
+	int		i;
+	char	**env;
+
+	if (!(env = data->custom_env))
+		return (0);
+	i = -1;
+	while (env[++i])
+	{
+		if (ft_strcmp(env[i], opt_arg) == '='
+				&& ft_strlen(opt_arg) == ft_strlenchr(env[i], '='))
+			ft_sstrdel(env, i);
+	}
+	return (0);
+}