mirror of
https://github.com/EV21/dynb.git
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298 lines
12 KiB
Bash
298 lines
12 KiB
Bash
#!/bin/bash
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# Created by argbash-init v2.10.0
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# Rearrange the order of options below according to what you would like to see in the help message.
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# ARG_OPTIONAL_BOOLEAN([version],[v],[outputs the client version],[off])
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# ARG_OPTIONAL_BOOLEAN([link],[l],[links to your script at ~/.local/bin/dynb],[off])
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# ARG_OPTIONAL_BOOLEAN([reset],[r],[deletes the client blocking status file],[off])
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# ARG_OPTIONAL_BOOLEAN([debug],[],[enables debug mode],[off])
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# ARG_OPTIONAL_SINGLE([update-method],[m],[choose if you want to use DynDNS2 or the DomRobot RPC-API],[])
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# ARG_OPTIONAL_SINGLE([ip-mode],[i],[updates type A (IPv4) and AAAA (IPv6) records],[])
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# ARG_OPTIONAL_SINGLE([domain],[d],[set the domain you want to update],[])
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# ARG_OPTIONAL_SINGLE([service-provider],[s],[set your provider in case you are using DynDNS2],[])
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# ARG_OPTIONAL_SINGLE([username],[u],[depends on your selected update method and your provider],[])
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# ARG_OPTIONAL_SINGLE([password],[p],[depends on your selected update method and your provider],[])
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# ARG_OPTIONAL_SINGLE([token],[t],[depends on your selected update method and your provider],[])
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# ARG_OPTIONAL_SINGLE([interval],[],[choose the seconds interval to run the script in a loop, minimum is 60],[])
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# ARG_HELP([DynB - dynamic DNS update script for bash])
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# ARGBASH_GO()
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# needed because of Argbash --> m4_ignore([
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### START OF CODE GENERATED BY Argbash v2.10.0 one line above ###
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# Argbash is a bash code generator used to get arguments parsing right.
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# Argbash is FREE SOFTWARE, see https://argbash.io for more info
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# # When called, the process ends.
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# Args:
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# $1: The exit message (print to stderr)
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# $2: The exit code (default is 1)
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# if env var _PRINT_HELP is set to 'yes', the usage is print to stderr (prior to $1)
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# Example:
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# test -f "$_arg_infile" || _PRINT_HELP=yes die "Can't continue, have to supply file as an argument, got '$_arg_infile'" 4
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die()
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{
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local _ret="${2:-1}"
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test "${_PRINT_HELP:-no}" = yes && print_help >&2
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echo "$1" >&2
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exit "${_ret}"
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}
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# Function that evaluates whether a value passed to it begins by a character
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# that is a short option of an argument the script knows about.
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# This is required in order to support getopts-like short options grouping.
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begins_with_short_option()
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{
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local first_option all_short_options='vlrmidsupth'
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first_option="${1:0:1}"
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test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
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}
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# THE DEFAULTS INITIALIZATION - OPTIONALS
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_arg_version="off"
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_arg_link="off"
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_arg_reset="off"
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_arg_debug="off"
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_arg_update_method=
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_arg_ip_mode=
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_arg_domain=
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_arg_service_provider=
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_arg_username=
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_arg_password=
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_arg_token=
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_arg_interval=
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# Function that prints general usage of the script.
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# This is useful if users asks for it, or if there is an argument parsing error (unexpected / spurious arguments)
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# and it makes sense to remind the user how the script is supposed to be called.
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print_help()
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{
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printf '%s\n' "DynB - dynamic DNS update script for bash"
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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"
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printf '\t%s\n' "-v, --version, --no-version: outputs the client version (off by default)"
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printf '\t%s\n' "-l, --link, --no-link: links to your script at ~/.local/bin/dynb (off by default)"
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printf '\t%s\n' "-r, --reset, --no-reset: deletes the client blocking status file (off by default)"
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printf '\t%s\n' "--debug, --no-debug: enables debug mode (off by default)"
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printf '\t%s\n' "-m, --update-method: choose if you want to use DynDNS2 or the DomRobot RPC-API (no default)"
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printf '\t%s\n' "-i, --ip-mode: updates type A (IPv4) and AAAA (IPv6) records (no default)"
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printf '\t%s\n' "-d, --domain: set the domain you want to update (no default)"
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printf '\t%s\n' "-s, --service-provider: set your provider in case you are using DynDNS2 (no default)"
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printf '\t%s\n' "-u, --username: depends on your selected update method and your provider (no default)"
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printf '\t%s\n' "-p, --password: depends on your selected update method and your provider (no default)"
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printf '\t%s\n' "-t, --token: depends on your selected update method and your provider (no default)"
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printf '\t%s\n' "--interval: choose the seconds interval to run the script in a loop, minimum is 60 (no default)"
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printf '\t%s\n' "-h, --help: Prints help"
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}
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# The parsing of the command-line
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parse_commandline()
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{
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while test $# -gt 0
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do
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_key="$1"
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case "$_key" in
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# The version argurment doesn't accept a value,
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# we expect the --version or -v, so we watch for them.
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-v|--no-version|--version)
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_arg_version="on"
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test "${1:0:5}" = "--no-" && _arg_version="off"
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;;
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# We support getopts-style short arguments clustering,
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# so as -v doesn't accept value, other short options may be appended to it, so we watch for -v*.
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# After stripping the leading -v from the argument, we have to make sure
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# that the first character that follows coresponds to a short option.
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-v*)
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_arg_version="on"
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_next="${_key##-v}"
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if test -n "$_next" -a "$_next" != "$_key"
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then
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{ begins_with_short_option "$_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."
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fi
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;;
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# See the comment of option '--version' to see what's going on here - principle is the same.
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-l|--no-link|--link)
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_arg_link="on"
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test "${1:0:5}" = "--no-" && _arg_link="off"
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;;
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# See the comment of option '-v' to see what's going on here - principle is the same.
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-l*)
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_arg_link="on"
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_next="${_key##-l}"
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if test -n "$_next" -a "$_next" != "$_key"
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then
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{ begins_with_short_option "$_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."
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fi
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;;
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# See the comment of option '--version' to see what's going on here - principle is the same.
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-r|--no-reset|--reset)
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_arg_reset="on"
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test "${1:0:5}" = "--no-" && _arg_reset="off"
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;;
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# See the comment of option '-v' to see what's going on here - principle is the same.
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-r*)
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_arg_reset="on"
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_next="${_key##-r}"
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if test -n "$_next" -a "$_next" != "$_key"
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then
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{ begins_with_short_option "$_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."
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fi
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;;
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# See the comment of option '--version' to see what's going on here - principle is the same.
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--no-debug|--debug)
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_arg_debug="on"
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test "${1:0:5}" = "--no-" && _arg_debug="off"
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;;
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# We support whitespace as a delimiter between option argument and its value.
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# Therefore, we expect the --update-method or -m value.
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# so we watch for --update-method and -m.
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# Since we know that we got the long or short option,
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# we just reach out for the next argument to get the value.
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-m|--update-method)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_update_method="$2"
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shift
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;;
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# We support the = as a delimiter between option argument and its value.
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# Therefore, we expect --update-method=value, so we watch for --update-method=*
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# For whatever we get, we strip '--update-method=' using the ${var##--update-method=} notation
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# to get the argument value
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--update-method=*)
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_arg_update_method="${_key##--update-method=}"
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;;
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# We support getopts-style short arguments grouping,
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# so as -m accepts value, we allow it to be appended to it, so we watch for -m*
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# and we strip the leading -m from the argument string using the ${var##-m} notation.
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-m*)
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_arg_update_method="${_key##-m}"
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;;
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# See the comment of option '--update-method' to see what's going on here - principle is the same.
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-i|--ip-mode)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_ip_mode="$2"
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shift
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;;
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# See the comment of option '--update-method=' to see what's going on here - principle is the same.
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--ip-mode=*)
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_arg_ip_mode="${_key##--ip-mode=}"
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;;
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# See the comment of option '-m' to see what's going on here - principle is the same.
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-i*)
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_arg_ip_mode="${_key##-i}"
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;;
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# See the comment of option '--update-method' to see what's going on here - principle is the same.
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-d|--domain)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_domain="$2"
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shift
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;;
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# See the comment of option '--update-method=' to see what's going on here - principle is the same.
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--domain=*)
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_arg_domain="${_key##--domain=}"
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;;
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# See the comment of option '-m' to see what's going on here - principle is the same.
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-d*)
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_arg_domain="${_key##-d}"
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;;
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# See the comment of option '--update-method' to see what's going on here - principle is the same.
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-s|--service-provider)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_service_provider="$2"
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shift
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;;
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# See the comment of option '--update-method=' to see what's going on here - principle is the same.
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--service-provider=*)
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_arg_service_provider="${_key##--service-provider=}"
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;;
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# See the comment of option '-m' to see what's going on here - principle is the same.
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-s*)
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_arg_service_provider="${_key##-s}"
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;;
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# See the comment of option '--update-method' to see what's going on here - principle is the same.
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-u|--username)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_username="$2"
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shift
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;;
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# See the comment of option '--update-method=' to see what's going on here - principle is the same.
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--username=*)
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_arg_username="${_key##--username=}"
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;;
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# See the comment of option '-m' to see what's going on here - principle is the same.
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-u*)
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_arg_username="${_key##-u}"
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;;
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# See the comment of option '--update-method' to see what's going on here - principle is the same.
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-p|--password)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_password="$2"
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shift
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;;
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# See the comment of option '--update-method=' to see what's going on here - principle is the same.
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--password=*)
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_arg_password="${_key##--password=}"
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;;
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# See the comment of option '-m' to see what's going on here - principle is the same.
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-p*)
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_arg_password="${_key##-p}"
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;;
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# See the comment of option '--update-method' to see what's going on here - principle is the same.
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-t|--token)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_token="$2"
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shift
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;;
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# See the comment of option '--update-method=' to see what's going on here - principle is the same.
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--token=*)
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_arg_token="${_key##--token=}"
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;;
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# See the comment of option '-m' to see what's going on here - principle is the same.
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-t*)
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_arg_token="${_key##-t}"
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;;
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# See the comment of option '--update-method' to see what's going on here - principle is the same.
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--interval)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_interval="$2"
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shift
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;;
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# See the comment of option '--update-method=' to see what's going on here - principle is the same.
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--interval=*)
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_arg_interval="${_key##--interval=}"
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;;
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# See the comment of option '--version' to see what's going on here - principle is the same.
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-h|--help)
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print_help
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exit 0
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;;
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# See the comment of option '-v' to see what's going on here - principle is the same.
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-h*)
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print_help
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exit 0
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;;
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*)
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_PRINT_HELP=yes die "FATAL ERROR: Got an unexpected argument '$1'" 1
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;;
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esac
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shift
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done
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}
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# Now call all the functions defined above that are needed to get the job done
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parse_commandline "$@"
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# OTHER STUFF GENERATED BY Argbash
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### END OF CODE GENERATED BY Argbash (sortof) ### ])
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# [ <-- needed because of Argbash
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# vvv PLACE YOUR CODE HERE vvv
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# PUT YOUR CODE HERE
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# ^^^ TERMINATE YOUR CODE BEFORE THE BOTTOM ARGBASH MARKER ^^^
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# ] <-- needed because of Argbash
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