Tree view of categories and subcategories

folder ports
        |- folder archivers
        |       \- folder lzip
        |- folder astro
        |- folder audio
        |       \- folder festival
        |               |- folder arctic
        |               |- folder festlex
        |               |- folder festvox
        |               \- folder ogi
        |- folder benchmarks
        |- folder biology
        |- folder books
        |- folder cad
        |- folder chinese
        |- folder comms
        |- folder converters
        |- folder databases
        |       |- folder db
        |       |- folder mdbtools
        |       \- folder ruby-datamapper
        |- folder devel
        |       |- folder autoconf
        |       |- folder automake
        |       |- folder avr
        |       |- folder eclipse
        |       |       \- folder plugins
        |       |- folder jdk
        |       |- folder py-twisted
        |       |- folder vanessa
        |       |- folder arm-elf
        |       |- folder xulrunner
        |       |- folder msp430
        |       |- folder pear-Date-Holidays
        |       |- folder libgit2
        |       |- folder radare2
        |       |- folder ruby-rspec
        |       |       |- folder 2
        |       |       \- folder 3
        |       |- folder jenkins
        |       |- folder avr32
        |       |- folder arm-none-eabi
        |       |- folder kf5
        |       \- folder libmpack
        |- folder editors
        |       \- folder xemacs21
        |- folder education
        |- folder emulators
        |       |- folder redhat
        |       |- folder vmware
        |       |- folder fedora
        |       \- folder mupen64plus
        |- folder games
        |       |- folder alephone
        |       |       \- folder scenarios
        |       |- folder ggz
        |       |- folder doomdata
        |       |- folder ufoai
        |       |- folder naev
        |       |- folder gottcode
        |       |- folder megaglest
        |       |- folder solarus
        |       |- folder flightgear
        |       |- folder vegastrike
        |       |- folder 0ad
        |       \- folder openttd-data
        |- folder graphics
        |       |- folder gimp
        |       |- folder clutter
        |       |- folder icoutils
        |       |- folder tesseract
        |       \- folder orthanc
        |- folder japanese
        |- folder java
        |- folder korean
        |- folder lang
        |       |- folder gcc
        |       |- folder icon
        |       |- folder python
        |       |- folder squeak
        |       |- folder tcl
        |       |- folder php
        |       |- folder ruby
        |       |- folder feldspar
        |       |- folder python3
        |       |- folder lua
        |       |- folder chicken
        |       \- folder erlang
        |- folder mail
        |       |- folder postfix
        |       |- folder zarafa
        |       |- folder enigmail
        |       \- folder kopano
        |- folder math
        |       |- folder prover9
        |       \- folder lpsolve
        |- folder mbone
        |- folder misc
        |       \- folder osinfo
        |- folder multimedia
        |       |- folder gstreamer-0.10
        |       |- folder recordmydesktop
        |       |- folder moovida
        |       |- folder gstreamer1
        |       \- folder phonon-backend
        |- folder net
        |       |- folder libnet
        |       |- folder libnetdude
        |       |       \- folder plugins
        |       |- folder mldonkey
        |       |- folder nagios
        |       |- folder netdude
        |       |       \- folder plugins
        |       |- folder unison
        |       |- folder telepathy
        |       |- folder ldns
        |       |- folder mon
        |       |- folder icinga
        |       |- folder gupnp
        |       |- folder quvi
        |       |- folder miniupnp
        |       |- folder tkabber
        |       |- folder seafile
        |       |- folder p5-Zonemaster
        |       \- folder dleyna
        |- folder news
        |- folder palm
        |- folder plan9
        |- folder print
        |       |- folder ghostscript
        |       |- folder py-reportlab
        |       |       \- folder plugins
        |       |- folder teTeX
        |       |- folder texlive
        |       \- folder texlive2010
        |- folder productivity
        |       \- folder tryton
        |- folder russian
        |- folder security
        |       |- folder nessus
        |       |- folder prelude
        |       |- folder yara
        |       |- folder yubico
        |       \- folder letsencrypt
        |- folder shells
        |- folder sysutils
        |       |- folder gkrellm
        |       |       \- folder plugins
        |       |- folder backintime
        |       |- folder firmware
        |       |- folder ruby-puppet
        |       |- folder erchef
        |       |- folder mcollective-plugins
        |       |- folder logstash
        |       \- folder beats
        |- folder telephony
        |       |- folder asterisk-sounds
        |       \- folder baresip
        |- folder textproc
        |       |- folder aspell
        |       |       \- folder dicts
        |       |- folder ruby-prawn
        |       |- folder zathura
        |       |       \- folder plugins
        |       |- folder hyphen-i18n
        |       \- folder apertium-dicts
        |- folder www
        |       |- folder amaya
        |       |- folder jakarta-tomcat
        |       |- folder netscape
        |       |- folder php4
        |       |- folder php5
        |       |- folder tomcat
        |       |- folder drupal5
        |       |- folder plone
        |       |- folder zope
        |       |- folder ruby-merb
        |       |- folder drupal6
        |       |- folder netsurf
        |       |- folder horde
        |       |- folder drupal7
        |       |- folder mozilla-sync
        |       |- folder nginx
        |       |- folder c-icap
        |       |- folder squid
        |       |- folder py-django
        |       \- folder tor-browser
        |- folder x11
        |       |- folder gnome
        |       |- folder kde
        |       |       \- folder anime-sitters
        |       |- folder matchbox
        |       |- folder tk
        |       |- folder xfce4
        |       |- folder xview
        |       |- folder kde4
        |       |- folder gnustep
        |       |- folder e17
        |       |- folder nx
        |       |- folder un-fonts
        |       |- folder compiz
        |       |- folder remmina
        |       |- folder gnome3
        |       |       |- folder x11
        |       |       |       \- folder gnome
        |       |       \- folder devel
        |       |- folder ede
        |       |- folder libfm
        |       |- folder kde-applications
        |       |- folder lumina
        |       |- folder agar
        |       |- folder qt5
        |       \- folder mate
        |- folder inputmethods
        |- folder geo
        |       |- folder libchamplain
        |       \- folder spatialite
        |- folder fonts
        |       |- folder un-fonts
        |       |- folder adobe-fonts
        |       \- folder noto
        |- folder meta
        |- folder base
        |       \- folder xenocara
        \- folder tests
                |- folder portcheck
                \- folder portbump