Little bash script around a one-liner that produces a tree listing of a directory

dtree

#!/bin/sh
# dtree DIR
#
ls -R $* | grep ':$' | sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/ /' -e 's/-/|/'
exit

dtree_output_on_rails_directory.lst

 |-actioncable
 |---app
 |-----assets
 |-------javascripts
 |---------action_cable
 |---bin
 |---lib
 |-----action_cable
 |-------channel
 |-------connection
 |-------helpers
 |-------server
 |---------worker
 |-------subscription_adapter
 |-----rails
 |-------generators
 |---------channel
 |-----------templates
 |-------------application_cable
 |-------------assets
 |---test
 |-----channel
 |-----connection
 |-----javascript
 |-------src
 |---------test_helpers
 |---------unit
 |-------vendor
 |-----server
 |-----stubs
 |-----subscription_adapter
 |-actionmailer
 |---bin
 |---lib
 |-----action_mailer
 |-----rails
 |-------generators
 |---------mailer
 |-----------templates
 |---test
 |-----fixtures
 |-------anonymous
 |-------another.path
 |---------base_mailer
 |-------asset_host_mailer
 |-------asset_mailer
 |-------attachments
 |-------auto_layout_mailer
 |-------base_mailer
 |-------base_test
 |---------after_action_mailer
 |---------before_action_mailer
 |---------default_inline_attachment_mailer
 |---------late_inline_attachment_mailer
 |-------caching_mailer
 |-------explicit_layout_mailer
 |-------i18n_test_mailer
 |-------layouts
 |-------mail_delivery_test
 |---------delivery_mailer
 |-------nested_layout_mailer
 |-------proc_mailer
 |-------templates
 |-------test_helper_mailer
 |-------url_test_mailer
 |-----mailers
 |-actionpack
 |---bin
 |---lib
 |-----abstract_controller
 |-------caching
 |-------railties
 |-----action_controller
 |-------api
 |-------metal
 |-------railties
 |-----action_dispatch
 |-------http
 |-------journey
 |---------gtg
 |---------nfa
 |---------nodes
 |---------path
 |---------router
 |---------visualizer
 |-------middleware
 |---------session
 |---------templates
 |-----------rescues
 |-----------routes
 |-------request
 |-------routing
 |-------system_testing
 |---------test_helpers
 |-------testing
 |---------assertions
 |-----action_pack
 |---test
 |-----abstract
 |-----assertions
 |-----controller
 |-------api
 |-------controller_fixtures
 |---------app
 |-----------controllers
 |-------------admin
 |---------vendor
 |-----------plugins
 |-------------bad_plugin
 |---------------lib
 |-------metal
 |-------mime
 |-------new_base
 |-------parameters
 |-------request
 |-----dispatch
 |-------request
 |-------routing
 |-------session
 |-------system_testing
 |-----fixtures
 |-------alternate_helpers
 |-------bad_customers
 |-------collection_cache
 |-------customers
 |-------filter_test
 |---------implicit_actions
 |-------functional_caching
 |-------helpers
 |---------fun
 |-------helpers1_pack
 |-------helpers2_pack
 |-------helpers_typo
 |---------admin
 |-------implicit_render_test
 |-------layouts
 |-------localized
 |-------multipart
 |-------namespaced
 |---------implicit_render_test
 |-------old_content_type
 |-------post_test
 |---------layouts
 |---------post
 |---------super_post
 |-------public
 |---------bar
 |---------foo
 |---------gzip
 |-------respond_to
 |---------layouts
 |-------session_autoload_test
 |---------session_autoload_test
 |-------star_star_mime
 |-------test
 |---------dot.directory
 |---------hello
 |-------公共
 |---------bar
 |---------foo
 |---------gzip
 |-----journey
 |-------gtg
 |-------nfa
 |-------nodes
 |-------path
 |-------route
 |---------definition
 |-------router
 |-----lib
 |-------controller
 |-----routing
 |-----tmp
 |-actionview
 |---app
 |-----assets
 |-------javascripts
 |---------rails-ujs
 |-----------features
 |-----------utils
 |---bin
 |---lib
 |-----action_view
 |-------helpers
 |---------tags
 |-------locale
 |-------renderer
 |---------partial_renderer
 |-------tasks
 |-------template
 |---------handlers
 |-----------erb
 |-------testing
 |---test
 |-----actionpack
 |-------abstract
 |---------views
 |-----------abstract_controller
 |-------------testing
 |---------------me3
 |---------------me4
 |-----------layouts
 |-------------abstract_controller
 |---------------testing
 |-------controller
 |-----activerecord
 |-----fixtures
 |-------actionpack
 |---------bad_customers
 |---------customers
 |---------fun
 |-----------games
 |---------good_customers
 |---------layout_tests
 |-----------alt
 |-------------layouts
 |-----------layouts
 |-------------controller_name_space
 |-------------symlinked
 |-----------views
 |---------layouts
 |---------quiz
 |-----------questions
 |---------test
 |-----------_directory
 |-----------dot.directory
 |-----------hello
 |-------comments
 |-------custom_pattern
 |---------html
 |-------customers
 |-------db_definitions
 |-------developers
 |-------digestor
 |---------api
 |-----------comments
 |---------comments
 |---------events
 |---------level
 |-----------below
 |---------messages
 |-----------actions
 |-------fun
 |---------games
 |---------serious
 |-----------games
 |-------games
 |-------good_customers
 |-------helpers
 |-------helpers_missing
 |-------layout_tests
 |---------alt
 |-------layouts
 |-------mascots
 |-------override
 |---------test
 |-------override2
 |---------layouts
 |-----------test
 |-------projects
 |-------public
 |---------elsewhere
 |---------foo
 |---------javascripts
 |-----------subdir
 |---------stylesheets
 |-----------subdir
 |-------replies
 |-------respond_to
 |-------test
 |---------_directory
 |---------dot.directory
 |---------hello
 |---------malformed
 |-------topics
 |-------translations
 |---------templates
 |-----lib
 |-------controller
 |-----template
 |-------erb
 |-------form_helper
 |-------testing
 |-----tmp
 |-----ujs
 |-------public
 |---------test
 |---------vendor
 |-------views
 |---------layouts
 |---------tests
 |-activejob
 |---bin
 |---lib
 |-----active_job
 |-------queue_adapters
 |-----rails
 |-------generators
 |---------job
 |-----------templates
 |---test
 |-----adapters
 |-----cases
 |-----integration
 |-----jobs
 |-----models
 |-----support
 |-------backburner
 |-------delayed_job
 |---------delayed
 |-----------backend
 |-----------serialization
 |-------integration
 |---------adapters
 |-------que
 |-------queue_classic
 |-------sneakers
 |-activemodel
 |---bin
 |---lib
 |-----active_model
 |-------attribute
 |-------attribute_set
 |-------locale
 |-------serializers
 |-------type
 |---------helpers
 |-------validations
 |---test
 |-----cases
 |-------serializers
 |-------type
 |-------validations
 |-----models
 |-----validators
 |-------namespace
 |-activerecord
 |---bin
 |---examples
 |---lib
 |-----active_record
 |-------associations
 |---------builder
 |---------join_dependency
 |---------preloader
 |-------attribute_methods
 |-------coders
 |-------connection_adapters
 |---------abstract
 |---------mysql
 |---------postgresql
 |-----------oid
 |---------sqlite3
 |-------fixture_set
 |-------locale
 |-------locking
 |-------migration
 |-------railties
 |-------relation
 |---------batches
 |---------predicate_builder
 |-------scoping
 |-------tasks
 |-------type
 |---------internal
 |-------type_caster
 |-------validations
 |-----rails
 |-------generators
 |---------active_record
 |-----------application_record
 |-------------templates
 |-----------migration
 |-------------templates
 |-----------model
 |-------------templates
 |---test
 |-----active_record
 |-------connection_adapters
 |-----assets
 |-----cases
 |-------adapters
 |---------mysql2
 |---------postgresql
 |---------sqlite3
 |-------associations
 |-------attribute_methods
 |-------coders
 |-------connection_adapters
 |-------connection_specification
 |-------fixture_set
 |-------migration
 |-------relation
 |-------scoping
 |-------tasks
 |-------type
 |-------validations
 |-----fixtures
 |-------admin
 |-------all
 |---------namespaced
 |-------categories
 |---------subsubdir
 |-------naked
 |---------yml
 |-------reserved_words
 |-------to_be_linked
 |-----migrations
 |-------10_urban
 |-------decimal
 |-------empty
 |-------magic
 |-------missing
 |-------rename
 |-------to_copy
 |-------to_copy2
 |-------to_copy_with_name_collision
 |-------to_copy_with_timestamps
 |-------to_copy_with_timestamps2
 |-------valid
 |-------valid_with_subdirectories
 |---------sub
 |---------sub1
 |-------valid_with_timestamps
 |-------version_check
 |-----models
 |-------admin
 |-------autoloadable
 |-------publisher
 |-----schema
 |-----support
 |-------yaml_compatibility_fixtures
 |-activestorage
 |---app
 |-----assets
 |-------javascripts
 |-----controllers
 |-------active_storage
 |-------concerns
 |---------active_storage
 |-----javascript
 |-------activestorage
 |-----jobs
 |-------active_storage
 |-----models
 |-------active_storage
 |---------blob
 |---------filename
 |---bin
 |---config
 |---db
 |-----migrate
 |---lib
 |-----active_storage
 |-------analyzer
 |-------attached
 |-------previewer
 |-------service
 |-----tasks
 |---test
 |-----analyzer
 |-----controllers
 |-----database
 |-----dummy
 |-------app
 |---------assets
 |-----------config
 |-----------images
 |-----------javascripts
 |-----------stylesheets
 |---------controllers
 |-----------concerns
 |---------helpers
 |---------jobs
 |---------models
 |-----------concerns
 |---------views
 |-----------layouts
 |-------bin
 |-------config
 |---------environments
 |---------initializers
 |-------lib
 |---------assets
 |-------log
 |-------public
 |-----fixtures
 |-------files
 |-----models
 |-------filename
 |-----previewer
 |-----service
 |-----template
 |-activesupport
 |---bin
 |---lib
 |-----active_support
 |-------cache
 |---------strategy
 |-------concurrency
 |-------core_ext
 |---------array
 |---------big_decimal
 |---------class
 |---------date
 |---------date_and_time
 |---------date_time
 |---------digest
 |---------file
 |---------hash
 |---------integer
 |---------kernel
 |---------module
 |---------numeric
 |---------object
 |---------range
 |---------string
 |---------time
 |-------dependencies
 |-------deprecation
 |-------duration
 |-------inflector
 |-------json
 |-------locale
 |-------log_subscriber
 |-------messages
 |-------multibyte
 |-------notifications
 |-------number_helper
 |-------testing
 |-------values
 |-------xml_mini
 |---test
 |-----autoloading_fixtures
 |-------a
 |---------c
 |-----------em
 |-------class_folder
 |-------html
 |-------load_path
 |-------module_folder
 |-------module_with_custom_const_missing
 |---------a
 |-------prepend
 |-----cache
 |-------behaviors
 |-------stores
 |-----concurrency
 |-----core_ext
 |-------array
 |-------class
 |-------digest
 |-------hash
 |-------kernel
 |-------module
 |-------object
 |-----dependencies
 |-----deprecation
 |-----file_fixtures
 |-----fixtures
 |-------autoload
 |-------xml
 |-----json
 |-----messages
 |-----metadata
 |-----notifications
 |-----testing
 |-----xml_mini
 |-ci
 |-guides
 |---assets
 |-----images
 |-------getting_started
 |-------i18n
 |-------icons
 |---------callouts
 |-----javascripts
 |-----stylesheets
 |-------syntaxhighlighter
 |---bug_report_templates
 |---rails_guides
 |-----markdown
 |---source
 |-----kindle
 |-railties
 |---bin
 |---exe
 |---lib
 |-----minitest
 |-----rails
 |-------api
 |-------application
 |-------command
 |---------helpers
 |-------commands
 |---------application
 |---------console
 |---------credentials
 |---------dbconsole
 |---------destroy
 |---------encrypted
 |---------generate
 |---------help
 |---------new
 |---------plugin
 |---------rake
 |---------runner
 |---------secrets
 |---------server
 |---------test
 |---------version
 |-------console
 |-------engine
 |-------generators
 |---------actions
 |---------css
 |-----------assets
 |-------------templates
 |-----------scaffold
 |---------erb
 |-----------controller
 |-------------templates
 |-----------mailer
 |-------------templates
 |-----------scaffold
 |-------------templates
 |---------js
 |-----------assets
 |-------------templates
 |---------rails
 |-----------app
 |-------------templates
 |---------------app
 |-----------------assets
 |-------------------config
 |-------------------javascripts
 |-------------------stylesheets
 |-----------------channels
 |-------------------application_cable
 |-----------------controllers
 |-----------------helpers
 |-----------------jobs
 |-----------------mailers
 |-----------------models
 |-----------------views
 |-------------------layouts
 |---------------bin
 |---------------config
 |-----------------databases
 |-----------------environments
 |-----------------initializers
 |-----------------locales
 |---------------db
 |---------------public
 |---------------test
 |-----------application_record
 |-----------assets
 |-------------templates
 |-----------controller
 |-------------templates
 |-----------credentials
 |-----------encrypted_file
 |-----------encryption_key_file
 |-----------generator
 |-------------templates
 |---------------templates
 |-----------helper
 |-------------templates
 |-----------integration_test
 |-----------master_key
 |-----------migration
 |-----------model
 |-----------plugin
 |-------------templates
 |---------------app
 |-----------------controllers
 |-------------------%namespaced_name%
 |-----------------helpers
 |-------------------%namespaced_name%
 |-----------------jobs
 |-------------------%namespaced_name%
 |-----------------mailers
 |-------------------%namespaced_name%
 |-----------------models
 |-------------------%namespaced_name%
 |-----------------views
 |-------------------layouts
 |---------------------%namespaced_name%
 |---------------bin
 |---------------config
 |---------------lib
 |-----------------%namespaced_name%
 |-----------------tasks
 |---------------rails
 |---------------test
 |-----------------integration
 |-----------resource
 |-----------resource_route
 |-----------scaffold
 |-------------templates
 |-----------scaffold_controller
 |-------------templates
 |-----------system_test
 |-----------task
 |-------------templates
 |---------test_unit
 |-----------controller
 |-------------templates
 |-----------generator
 |-------------templates
 |-----------helper
 |-----------integration
 |-------------templates
 |-----------job
 |-------------templates
 |-----------mailer
 |-------------templates
 |-----------model
 |-------------templates
 |-----------plugin
 |-------------templates
 |-----------scaffold
 |-------------templates
 |-----------system
 |-------------templates
 |---------testing
 |-------plugin
 |-------rack
 |-------railtie
 |-------tasks
 |-------templates
 |---------layouts
 |---------rails
 |-----------info
 |-----------mailers
 |-----------welcome
 |-------test_unit
 |---test
 |-----application
 |-------configuration
 |-------initializers
 |-------middleware
 |-------rack
 |-------rake
 |-----command
 |-----commands
 |-----configuration
 |-----engine
 |-----fixtures
 |-------lib
 |---------generators
 |-----------active_record
 |-----------usage_template
 |---------rails
 |-----------generators
 |-------------foobar
 |-----generators
 |-----isolation
 |-----railties
 |-----test_unit
 |-tasks
 |-tools