doc: 📝 document example of an docker-compose.yml file

✨ add man page

.pre-commit-config.yaml

@@ -1,17 +0,0 @@
-repos:
-  - repo: https://github.com/syntaqx/git-hooks
-    rev: v0.0.17
-    hooks:
-    - id: shellcheck
-    - id: shfmt
-      args: 
-        - "-l" # list files whose formatting differs from shfmt's
-        - "-i 2" # indent: 0 for tabs (default), >0 for number of spaces
-        - "-ci" # switch cases will be indented
-        - "-w" # write result to file instead of stdout
-  - repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.9
-    hooks:
-    - id: mdformat
-      additional_dependencies:
-      - mdformat-gfm # GitHub Flavored Markdown support

CHANGELOG.md

@@ -1,71 +1,6 @@
 # Changelog
 
 
-## 0.2.0 (2021-09-24)
-
-### New
-
-* :sparkles: enable parameter extensions for `docker run --interactive` [Eduard Veit]
-
-* :sparkles: add pre-commit hooks for markdown. [Eduard Veit]
-
-* :sparkles: change git hooks and add shfmt. [Eduard Veit]
-
-* :sparkles: add pre-commit git hook for shellcheck. [Eduard Veit]
-
-### Changes
-
-* :wrench: remove md-toc from pre-commit. [Eduard Veit]
-
-* :wrench: handle dns server selection. [Eduard Veit]
-
-### Documentation
-
-* :memo: update CHANGELOG.md. [Eduard Veit]
-
-* :memo: document docker parameters. [Eduard Veit]
-
-* :memo: change default dns server setting. [Eduard Veit]
-
-* :memo: update CHANGELOG. [Eduard Veit]
-
-* :memo: update README.md. [Eduard Veit]
-
-### Other
-
-* :art: lint README.md. [Eduard Veit]
-
-* :art: add shfmt params to pre-commit check. [Eduard Veit]
-
-* :art: fix shell style. [Eduard Veit]
-
-* :recycle: seperate parsing logic. [Eduard Veit]
-
-* :recycle: normalizing pre-commit configuration to a top-level map. [Eduard Veit]
-
-* :recycle: refactorings. [Eduard Veit]
-
-* Refactor: :recycle: remove unused help message. [Eduard Veit]
-
-
-## 0.1.2 (2021-04-23)
-
-### Documentation
-
-* :memo: document environment variables. [Eduard Veit]
-
-### Other
-
-* :recycle: refactor: method extractions and other beautifications. [Eduard Veit]
-
-
-## 0.1.1 (2021-04-23)
-
-### Fix
-
-* :bug: fix loop and error handling in case of connection issues. [Eduard Veit]
-
-
 ## 0.1.0 (2021-04-22)
 
 ### New

Dockerfile

@@ -1,20 +1,5 @@
 FROM alpine:latest
-
-RUN \
-apk update \
-&& \
-apk add \
-bash \
-curl \
-jq \
-bind-tools
-
+RUN apk update && apk add bash curl jq bind-tools
 WORKDIR /usr/src/app
-
 COPY . .
-
-ENTRYPOINT ["/bin/bash", "/usr/src/app/dynb.sh"]
-
-LABEL org.opencontainers.image.source="https://github.com/EV21/dynb"
-LABEL org.opencontainers.image.description="DynB - dynamic DNS update client."
-LABEL org.opencontainers.image.licenses="MIT"
+CMD /bin/bash /usr/src/app/dynb.sh

README.md

@@ -1,65 +1,55 @@
 # 🔃 DynB
-
 DynB - dynamic DNS update script, written in bash
 
 IPv4 (A) and IPv6 (AAAA) record updates are supported.
-
 <!-- TOC -->
-
 - [✨ Update Methods](#-update-methods)
-  - [APIs](#apis)
-  - [DynDNS2](#dyndns2)
+    - [APIs](#apis)
+    - [DynDNS2](#dyndns2)
 - [📦 Requirements](#-requirements)
 - [🚀 Installation](#-installation)
 - [⚙ Configuration](#-configuration)
 - [🏃 Run](#-run)
 - [⏰ Cron](#-cron)
-  - [loop mode](#loop-mode)
-  - [crontab](#crontab)
-- [🐟 docker](#-docker)
-- [environment variables](#environment-variables)
-
+- [⏰ docker](#-docker)
 <!-- /TOC -->
 
 ## ✨ Update Methods
-
 The following update methods are currently implemented:
 
 ### APIs
 
-- INWX.com Domrobot JSON-RPC-API\
+* INWX.com Domrobot JSON-RPC-API  
   Limitations:
   - minimum TTL is 300 (5 minutes)
 
 ### DynDNS2
 
-- INWX.com
-- deSEC.io (dedyn.io)
-- DuckDNS.org
-- dynv6.com
+* INWX.com  
+* deSEC.io (dedyn.io)  
+* DuckDNS.org  
+* dynv6.com  
 
 ## 📦 Requirements
 
-- `curl` - The minimum requirement for all API requests.
-- `dig` - You can get it by installing `dnsutils` (debian/ubuntu/ArchLinux), `bind-utils` (CentOS/RHEL), `bind-tools` (Alpine)
+* `curl` - The minimum requirement for all API requests.
+* `dig` - You can get it by installing `dnsutils` (debian/ubuntu/ArchLinux), `bind-utils` (CentOS/RHEL), `bind-tools` (Alpine)
 
 also essential if you are using other APIs:
 
-- `jq` - Command-line JSON processor
+* `jq` - Command-line JSON processor
 
 ## 🚀 Installation
 
 Download the latest release
 
 or simply clone this repo
-
-```shell
+```
 git clone https://github.com/EV21/dynb.git
 ```
 
 If you want to add the script to you PATH, run :point_down:
-
-```shell
+```
 bash dynb.sh --link
 ```
 
@@ -69,8 +59,7 @@ You can use a config in form of an `.env` file.
 Or you can just use CLI parameters.
 
 Create `.env` in the app root directory or at `~/.local/share/dynb/.env`.
-
-```bash
+```
 DYNB_DYN_DOMAIN=dyndns.example.com
 
 ## service provider could be deSEC, duckdns, dynv6, inwx
@@ -93,23 +82,18 @@ DYNB_TOKEN=
 ## 🏃 Run
 
 If you have a config file just run :point_down:
-
-```bash
+```
 dynb
 ```
-
-Alternatively you can use parameters if your system meets the relevant requirements. This example shows the long form parameter, there are also short ones.\
+Alternatively you can use parameters if your system meets the relevant requirements. This example shows the long form parameter, there are also short ones.  
 Call the help function :point_down:
-
-```bash
+```
 dynb --help
 ```
-
-```bash
+```
 dynb --ip-mode dualstack --update-method domrobot --domain dyndns.example.com --username user42 --password SuperSecretPassword
 ```
-
-```bash
+```
 dynb --ip-mode dualstack --update-method dyndns --provider inwx --domain dyndns.example.com --username user42 --password SuperSecretPassword
 ```
 
@@ -124,29 +108,18 @@ Just use the parameter `--interval 60` or the environment variable `DYNB_INTERVA
 ### crontab
 
 execute :point_down:
-
-```bash
+```
 crontab -e
 ```
-
 then enter :point_down: to run dynb every five minutes.
-
-```bash
+```
 */5 * * * * $HOME/.local/bin/dynb >> $HOME/.local/share/dynb/dynb-cron.log
 ```
-
-alternative with docker and parameters::
-
-```bash
-*/5 * * * * docker run --interactive --tty --rm --network host ev21/dynb:latest --ip-mode 64 --update-method domrobot --domain dyndns.example.com --username user42 --password SuperSecretPassword
-```
-
 Note, cron typically does not use the users PATH variable.
 
 ## 🐟 docker
 
-This is an example of a `docker-compose.yml` file. If you are using IPv6 make sure the routing works properly with your docker container. Note: [IPv6 networking](https://docs.docker.com/config/daemon/ipv6/) is only supported on Docker daemons running on Linux hosts.
-
+This is an example of a `docker-compose.yml` file. If you are using IPv6 make sure the routing works properly with your docker container.
 ```yaml
 version: '3.4'
 
@@ -167,20 +140,3 @@ services:
       - DYNB_PASSWORD=SuperSecretPassword
       - DYNB_INTERVAL=60
 ```
-
-## environment variables
-
-| variable              | default value   | description                                                                                                    |
-| --------------------- | --------------- | -------------------------------------------------------------------------------------------------------------- |
-| DYNB_DYN_DOMAIN       | undefined       | required; `dyndns.example.com`                                                                                 |
-| DYNB_SERVICE_PROVIDER | undefined       | required; `deSEC`, `duckdns`, `dynv6`, `inwx`                                                                  |
-| DYNB_UPDATE_METHOD    | undefined       | required; `dyndns` or `domrobot` (with inwx)                                                                   |
-| DYNB_IP_MODE          | undefined       | required; `4`, `6` or `64` for both                                                                            |
-| DYNB_USERNAME         | undefined       | the requirement depends on your provider and the update method                                                 |
-| DYNB_PASSWORD         | undefined       | the requirement depends on your provider and the update method                                                 |
-| DYNB_TOKEN            | undefined       | the requirement depends on your provider and the update method                                                 |
-| DYNB_INTERVAL         | undefined       | without this setting the script/docker container will run one time and exits                                   |
-| DYNB_DEBUG            | undefined       | more console outputs                                                                                           |
-| DYNB_IPv4_CHECK_SITE  | api64.ipify.org | You need a website or Web-API that outputs your remote IP                                                      |
-| DYNB_IPv6_CHECK_SITE  | api64.ipify.org | You need a website or Web-API that outputs your remote IP                                                      |
-| DYNB_DNS_CHECK_SERVER | undefined       | If you are using a local DNS Resolver/Server make sure it answers with the public answer or set another server |

dynb-parsing-template.m4

@@ -1,24 +0,0 @@
-#!/bin/bash
-
-# m4_ignore(
-echo "This is just a script template for argbash, not the script." >&2
-exit 11  #)Created by argbash-init v2.10.0
-# Rearrange the order of options below according to what you would like to see in the help message.
-# ARG_OPTIONAL_BOOLEAN([version],[v],[outputs the client version],[off])
-# ARG_OPTIONAL_BOOLEAN([link],[l],[links to your script at ~/.local/bin/dynb],[off])
-# ARG_OPTIONAL_BOOLEAN([reset],[r],[deletes the client blocking status file],[off])
-# ARG_OPTIONAL_BOOLEAN([debug],[],[enables debug mode],[off])
-# ARG_OPTIONAL_SINGLE([update-method],[m],[choose if you want to use DynDNS2 or the DomRobot RPC-API],[])
-# ARG_OPTIONAL_SINGLE([ip-mode],[i],[updates type A (IPv4) and AAAA (IPv6) records],[])
-# ARG_OPTIONAL_SINGLE([domain],[d],[set the domain you want to update],[])
-# ARG_OPTIONAL_SINGLE([service-provider],[s],[set your provider in case you are using DynDNS2],[])
-# ARG_OPTIONAL_SINGLE([username],[u],[depends on your selected update method and your provider],[])
-# ARG_OPTIONAL_SINGLE([password],[p],[depends on your selected update method and your provider],[])
-# ARG_OPTIONAL_SINGLE([token],[t],[depends on your selected update method and your provider],[])
-# ARG_OPTIONAL_SINGLE([interval],[],[choose the seconds interval to run the script in a loop, minimum is 60],[])
-# ARG_HELP([DynB - dynamic DNS update script for bash])
-# ARGBASH_GO
-
-# [ <-- needed because of Argbash
-
-# ] <-- needed because of Argbash

dynb-parsing.sh

@@ -1,297 +0,0 @@
-#!/bin/bash
-
-# Created by argbash-init v2.10.0
-# Rearrange the order of options below according to what you would like to see in the help message.
-# ARG_OPTIONAL_BOOLEAN([version],[v],[outputs the client version],[off])
-# ARG_OPTIONAL_BOOLEAN([link],[l],[links to your script at ~/.local/bin/dynb],[off])
-# ARG_OPTIONAL_BOOLEAN([reset],[r],[deletes the client blocking status file],[off])
-# ARG_OPTIONAL_BOOLEAN([debug],[],[enables debug mode],[off])
-# ARG_OPTIONAL_SINGLE([update-method],[m],[choose if you want to use DynDNS2 or the DomRobot RPC-API],[])
-# ARG_OPTIONAL_SINGLE([ip-mode],[i],[updates type A (IPv4) and AAAA (IPv6) records],[])
-# ARG_OPTIONAL_SINGLE([domain],[d],[set the domain you want to update],[])
-# ARG_OPTIONAL_SINGLE([service-provider],[s],[set your provider in case you are using DynDNS2],[])
-# ARG_OPTIONAL_SINGLE([username],[u],[depends on your selected update method and your provider],[])
-# ARG_OPTIONAL_SINGLE([password],[p],[depends on your selected update method and your provider],[])
-# ARG_OPTIONAL_SINGLE([token],[t],[depends on your selected update method and your provider],[])
-# ARG_OPTIONAL_SINGLE([interval],[],[choose the seconds interval to run the script in a loop, minimum is 60],[])
-# ARG_HELP([DynB - dynamic DNS update script for bash])
-# ARGBASH_GO()
-# needed because of Argbash --> m4_ignore([
-### START OF CODE GENERATED BY Argbash v2.10.0 one line above ###
-# Argbash is a bash code generator used to get arguments parsing right.
-# Argbash is FREE SOFTWARE, see https://argbash.io for more info
-
-
-# # When called, the process ends.
-# Args:
-# 	$1: The exit message (print to stderr)
-# 	$2: The exit code (default is 1)
-# if env var _PRINT_HELP is set to 'yes', the usage is print to stderr (prior to $1)
-# Example:
-# 	test -f "$_arg_infile" || _PRINT_HELP=yes die "Can't continue, have to supply file as an argument, got '$_arg_infile'" 4
-die()
-{
-	local _ret="${2:-1}"
-	test "${_PRINT_HELP:-no}" = yes && print_help >&2
-	echo "$1" >&2
-	exit "${_ret}"
-}
-
-
-# Function that evaluates whether a value passed to it begins by a character
-# that is a short option of an argument the script knows about.
-# This is required in order to support getopts-like short options grouping.
-begins_with_short_option()
-{
-	local first_option all_short_options='vlrmidsupth'
-	first_option="${1:0:1}"
-	test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
-}
-
-# THE DEFAULTS INITIALIZATION - OPTIONALS
-_arg_version="off"
-_arg_link="off"
-_arg_reset="off"
-_arg_debug="off"
-_arg_update_method=
-_arg_ip_mode=
-_arg_domain=
-_arg_service_provider=
-_arg_username=
-_arg_password=
-_arg_token=
-_arg_interval=
-
-
-# Function that prints general usage of the script.
-# This is useful if users asks for it, or if there is an argument parsing error (unexpected / spurious arguments)
-# and it makes sense to remind the user how the script is supposed to be called.
-print_help()
-{
-	printf '%s\n' "DynB - dynamic DNS update script for bash"
-	printf 'Usage: %s [-v|--(no-)version] [-l|--(no-)link] [-r|--(no-)reset] [--(no-)debug] [-m|--update-method <arg>] [-i|--ip-mode <arg>] [-d|--domain <arg>] [-s|--service-provider <arg>] [-u|--username <arg>] [-p|--password <arg>] [-t|--token <arg>] [--interval <arg>] [-h|--help]\n' "$0"
-	printf '\t%s\n' "-v, --version, --no-version: outputs the client version (off by default)"
-	printf '\t%s\n' "-l, --link, --no-link: links to your script at ~/.local/bin/dynb (off by default)"
-	printf '\t%s\n' "-r, --reset, --no-reset: deletes the client blocking status file (off by default)"
-	printf '\t%s\n' "--debug, --no-debug: enables debug mode (off by default)"
-	printf '\t%s\n' "-m, --update-method: choose if you want to use DynDNS2 or the DomRobot RPC-API (no default)"
-	printf '\t%s\n' "-i, --ip-mode: updates type A (IPv4) and AAAA (IPv6) records (no default)"
-	printf '\t%s\n' "-d, --domain: set the domain you want to update (no default)"
-	printf '\t%s\n' "-s, --service-provider: set your provider in case you are using DynDNS2 (no default)"
-	printf '\t%s\n' "-u, --username: depends on your selected update method and your provider (no default)"
-	printf '\t%s\n' "-p, --password: depends on your selected update method and your provider (no default)"
-	printf '\t%s\n' "-t, --token: depends on your selected update method and your provider (no default)"
-	printf '\t%s\n' "--interval: choose the seconds interval to run the script in a loop, minimum is 60 (no default)"
-	printf '\t%s\n' "-h, --help: Prints help"
-}
-
-
-# The parsing of the command-line
-parse_commandline()
-{
-	while test $# -gt 0
-	do
-		_key="$1"
-		case "$_key" in
-			# The version argurment doesn't accept a value,
-			# we expect the --version or -v, so we watch for them.
-			-v|--no-version|--version)
-				_arg_version="on"
-				test "${1:0:5}" = "--no-" && _arg_version="off"
-				;;
-			# We support getopts-style short arguments clustering,
-			# so as -v doesn't accept value, other short options may be appended to it, so we watch for -v*.
-			# After stripping the leading -v from the argument, we have to make sure
-			# that the first character that follows coresponds to a short option.
-			-v*)
-				_arg_version="on"
-				_next="${_key##-v}"
-				if test -n "$_next" -a "$_next" != "$_key"
-				then
-					{ begins_with_short_option "$_next" && shift && set -- "-v" "-${_next}" "$@"; } || die "The short option '$_key' can't be decomposed to ${_key:0:2} and -${_key:2}, because ${_key:0:2} doesn't accept value and '-${_key:2:1}' doesn't correspond to a short option."
-				fi
-				;;
-			# See the comment of option '--version' to see what's going on here - principle is the same.
-			-l|--no-link|--link)
-				_arg_link="on"
-				test "${1:0:5}" = "--no-" && _arg_link="off"
-				;;
-			# See the comment of option '-v' to see what's going on here - principle is the same.
-			-l*)
-				_arg_link="on"
-				_next="${_key##-l}"
-				if test -n "$_next" -a "$_next" != "$_key"
-				then
-					{ begins_with_short_option "$_next" && shift && set -- "-l" "-${_next}" "$@"; } || die "The short option '$_key' can't be decomposed to ${_key:0:2} and -${_key:2}, because ${_key:0:2} doesn't accept value and '-${_key:2:1}' doesn't correspond to a short option."
-				fi
-				;;
-			# See the comment of option '--version' to see what's going on here - principle is the same.
-			-r|--no-reset|--reset)
-				_arg_reset="on"
-				test "${1:0:5}" = "--no-" && _arg_reset="off"
-				;;
-			# See the comment of option '-v' to see what's going on here - principle is the same.
-			-r*)
-				_arg_reset="on"
-				_next="${_key##-r}"
-				if test -n "$_next" -a "$_next" != "$_key"
-				then
-					{ begins_with_short_option "$_next" && shift && set -- "-r" "-${_next}" "$@"; } || die "The short option '$_key' can't be decomposed to ${_key:0:2} and -${_key:2}, because ${_key:0:2} doesn't accept value and '-${_key:2:1}' doesn't correspond to a short option."
-				fi
-				;;
-			# See the comment of option '--version' to see what's going on here - principle is the same.
-			--no-debug|--debug)
-				_arg_debug="on"
-				test "${1:0:5}" = "--no-" && _arg_debug="off"
-				;;
-			# We support whitespace as a delimiter between option argument and its value.
-			# Therefore, we expect the --update-method or -m value.
-			# so we watch for --update-method and -m.
-			# Since we know that we got the long or short option,
-			# we just reach out for the next argument to get the value.
-			-m|--update-method)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_update_method="$2"
-				shift
-				;;
-			# We support the = as a delimiter between option argument and its value.
-			# Therefore, we expect --update-method=value, so we watch for --update-method=*
-			# For whatever we get, we strip '--update-method=' using the ${var##--update-method=} notation
-			# to get the argument value
-			--update-method=*)
-				_arg_update_method="${_key##--update-method=}"
-				;;
-			# We support getopts-style short arguments grouping,
-			# so as -m accepts value, we allow it to be appended to it, so we watch for -m*
-			# and we strip the leading -m from the argument string using the ${var##-m} notation.
-			-m*)
-				_arg_update_method="${_key##-m}"
-				;;
-			# See the comment of option '--update-method' to see what's going on here - principle is the same.
-			-i|--ip-mode)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_ip_mode="$2"
-				shift
-				;;
-			# See the comment of option '--update-method=' to see what's going on here - principle is the same.
-			--ip-mode=*)
-				_arg_ip_mode="${_key##--ip-mode=}"
-				;;
-			# See the comment of option '-m' to see what's going on here - principle is the same.
-			-i*)
-				_arg_ip_mode="${_key##-i}"
-				;;
-			# See the comment of option '--update-method' to see what's going on here - principle is the same.
-			-d|--domain)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_domain="$2"
-				shift
-				;;
-			# See the comment of option '--update-method=' to see what's going on here - principle is the same.
-			--domain=*)
-				_arg_domain="${_key##--domain=}"
-				;;
-			# See the comment of option '-m' to see what's going on here - principle is the same.
-			-d*)
-				_arg_domain="${_key##-d}"
-				;;
-			# See the comment of option '--update-method' to see what's going on here - principle is the same.
-			-s|--service-provider)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_service_provider="$2"
-				shift
-				;;
-			# See the comment of option '--update-method=' to see what's going on here - principle is the same.
-			--service-provider=*)
-				_arg_service_provider="${_key##--service-provider=}"
-				;;
-			# See the comment of option '-m' to see what's going on here - principle is the same.
-			-s*)
-				_arg_service_provider="${_key##-s}"
-				;;
-			# See the comment of option '--update-method' to see what's going on here - principle is the same.
-			-u|--username)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_username="$2"
-				shift
-				;;
-			# See the comment of option '--update-method=' to see what's going on here - principle is the same.
-			--username=*)
-				_arg_username="${_key##--username=}"
-				;;
-			# See the comment of option '-m' to see what's going on here - principle is the same.
-			-u*)
-				_arg_username="${_key##-u}"
-				;;
-			# See the comment of option '--update-method' to see what's going on here - principle is the same.
-			-p|--password)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_password="$2"
-				shift
-				;;
-			# See the comment of option '--update-method=' to see what's going on here - principle is the same.
-			--password=*)
-				_arg_password="${_key##--password=}"
-				;;
-			# See the comment of option '-m' to see what's going on here - principle is the same.
-			-p*)
-				_arg_password="${_key##-p}"
-				;;
-			# See the comment of option '--update-method' to see what's going on here - principle is the same.
-			-t|--token)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_token="$2"
-				shift
-				;;
-			# See the comment of option '--update-method=' to see what's going on here - principle is the same.
-			--token=*)
-				_arg_token="${_key##--token=}"
-				;;
-			# See the comment of option '-m' to see what's going on here - principle is the same.
-			-t*)
-				_arg_token="${_key##-t}"
-				;;
-			# See the comment of option '--update-method' to see what's going on here - principle is the same.
-			--interval)
-				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
-				_arg_interval="$2"
-				shift
-				;;
-			# See the comment of option '--update-method=' to see what's going on here - principle is the same.
-			--interval=*)
-				_arg_interval="${_key##--interval=}"
-				;;
-			# See the comment of option '--version' to see what's going on here - principle is the same.
-			-h|--help)
-				print_help
-				exit 0
-				;;
-			# See the comment of option '-v' to see what's going on here - principle is the same.
-			-h*)
-				print_help
-				exit 0
-				;;
-			*)
-				_PRINT_HELP=yes die "FATAL ERROR: Got an unexpected argument '$1'" 1
-				;;
-		esac
-		shift
-	done
-}
-
-# Now call all the functions defined above that are needed to get the job done
-parse_commandline "$@"
-
-# OTHER STUFF GENERATED BY Argbash
-
-### END OF CODE GENERATED BY Argbash (sortof) ### ])
-# [ <-- needed because of Argbash
-
-
-# vvv  PLACE YOUR CODE HERE  vvv
-
-# PUT YOUR CODE HERE
-
-# ^^^  TERMINATE YOUR CODE BEFORE THE BOTTOM ARGBASH MARKER  ^^^
-
-# ] <-- needed because of Argbash