#!/bin/bash

# rtree 2.0
# 1.使用dotglob代替(.* *)
# 2.将修饰内容定向到stderr
#   可用rtree 2>/dev/null显示单色文本

shopt -s dotglob # 允许以.开头的文件被*匹配

##Functions
lines() {
	line=
	for t in `eval echo {0..$level}`;do
		line="${line}\t|"
	done
}
list_files() {
	files=(*)
	for file in ${files[@]};do
		if [ ! "$file" = '*' ];then # 如果目录下没有文件,*保留字符意义
			if [ -d "$file" ];then
				echo -ne "$line"
				echo -ne "\e[34;1m">&2
				echo -ne "$file"
				echo -ne "\e[0m/">&2
				echo
				change_dir
			elif [ -L "$file" ];then
				echo -ne "$line"
				echo -ne "\e[36;1m">&2
				echo -ne "$file"
				echo -ne "\e[0m@">&2
				echo
			elif [ -p "$file" ];then
				echo -ne "$line"
				echo -ne "\e[33m">&2
				echo -ne "$file"
				echo -ne "\e[0m|">&2
				echo
			elif [ -x "$file" ];then
				echo -ne "$line"
				echo -ne "\e[1;32m">&2
				echo -ne "$file"
				echo -ne "\e[0m*">&2
				echo
			else
				echo -ne "$line"
				echo -ne "$file"
				echo
			fi
		fi
	done
}
change_dir() {
	if [ -d "$file" ];then
		cd "$file"
		((level++))
		lines
		list_files
		cd ..
		((level--))
		lines
	fi
}

##Start
t=0
level=0
lines
cd "$*"
echo "$PWD"
list_files
exit