ls-tree

#!/bin/bash
set -euf -o pipefail

##
# List files in your current directory recursively shown as a tree.
#
# From http://blog.urfix.com/25-%E2%80%93-sick-linux-commands/
#
# Contact: Joel Parker Henderson (joel@joelparkerhenderson.com)
# License: GPL
# Updated: 2015-01-25
##

ls -R | grep ":$" | sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/   /' -e 's/-/|/'