tree.sh

gistfile1.sh

#!/bin/sh

# See http://damienix.jogger.pl/2010/12/01/skrypt-bashowy-wyswietlajacy-drzewko-struktury-katalogow/

clr_dir='\33[1;34m' # Blue
clr_fil='\33[0;33m' # Yellow
clr_rst='\33[0m'    # Text Reset

chain() {
# $1 $2 - no change
# $3 - prefix for this dir
# $4 - prefix for nexts
	if [ -d "$1" ]; then
		COLOR=$clr_dir
	else
		COLOR=$clr_fil
	fi
	printf "$2$3$COLOR %s$clr_rst\\n" "${1##*/}"
	if [ -d "$1" ]; then
		showBranch "$1" "$2$4"
	fi
}

# Prints branch and recursive its childs
showBranch() {
# $1 - current dir
# $2 - current prefix
	for i in "$1/"* "$1/".*; do
		case $i in */.|*/..)
			continue
		esac
		if ! [ -e "$i" ] && ! [ -L "$i" ]; then
			break;
		fi

		set -- "$i" "$2" "$3"
		[ -z "$3" ] || chain "$3" "$2" '|--' '|  '
		set -- '' "$2" "$1"
	done
	[ -z "$3" ] || chain "$3" "$2" '`--' '   '
}

dir=${1:-$PWD}
if ! [ -d "$dir" ]; then
	echo "$dir: not a directory" >&2
	exit 1
else
	printf "$clr_dir%s$clr_rst\\n" "$dir"
	showBranch "$dir" ' '
fi