add script to generate recurring events (Plenum,...)
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#!/usr/bin/env bash
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# ARG_OPTIONAL_SINGLE([start],[s],[start time HH:mm])
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# ARG_OPTIONAL_SINGLE([end],[e],[end time HH:mm])\
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# ARG_OPTIONAL_SINGLE([rrule],[r],[rrule can be done via https://jakubroztocil.github.io/rrule/])
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# ARG_OPTIONAL_SINGLE([loop],[l],[how many dates should be generated])
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# ARG_HELP([Generate events based on rrule strings])
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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 v2.9.0 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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# Generated online by https://argbash.io/generate
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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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begins_with_short_option()
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{
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local first_option all_short_options='serlh'
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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_start=
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_arg_end=
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_arg_rrule=
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_arg_loop=
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print_help()
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{
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printf '%s\n' "Generate events based on rrule strings"
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printf 'Usage: %s [-s|--start <arg>] [-e|--end <arg>] [-r|--rrule <arg>] [-l|--loop <arg>] [-h|--help]\n' "$0"
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printf '\t%s\n' "-s, --start: start time HH:mm (no default)"
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printf '\t%s\n' "-e, --end: end time HH:mm (no default)"
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printf '\t%s\n' "-r, --rrule: rrule can be done via https://jakubroztocil.github.io/rrule/ (no default)"
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printf '\t%s\n' "-l, --loop: how many dates should be generated (no default)"
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printf '\t%s\n' "-h, --help: Prints help"
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}
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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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-s|--start)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_start="$2"
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shift
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;;
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--start=*)
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_arg_start="${_key##--start=}"
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;;
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-s*)
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_arg_start="${_key##-s}"
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;;
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-e|--end)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_end="$2"
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shift
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;;
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--end=*)
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_arg_end="${_key##--end=}"
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;;
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-e*)
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_arg_end="${_key##-e}"
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;;
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-r|--rrule)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_rrule="$2"
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shift
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;;
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--rrule=*)
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_arg_rrule="${_key##--rrule=}"
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;;
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-r*)
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_arg_rrule="${_key##-r}"
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;;
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-l|--loop)
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test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
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_arg_loop="$2"
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shift
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;;
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--loop=*)
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_arg_loop="${_key##--loop=}"
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;;
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-l*)
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_arg_loop="${_key##-l}"
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;;
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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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-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 '$1'" 1
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;;
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esac
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shift
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done
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}
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parse_commandline "$@"
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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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IFS="
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"
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REPEAT=${_arg_loop:-10}
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START=${_arg_start:-00:00}
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END=${_arg_end:-12:00}
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STARTDATE="$(date -I)T${START}"
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DTSTART=$(date -u --date="${STARTDATE}" +"%Y%m%dT%H%M%SZ")
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RRULE=${_arg_rrule:-FREQ=MONTHLY;BYSETPOS=1;BYDAY=TH;INTERVAL=1}
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RRULE_CMD=rrule
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if ! command -v ${RRULE_CMD} &> /dev/null
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then
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cat <<EOF
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${RRULE_CMD} could not be found
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You can install it via:
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nix-shell -p cargo -p gcc
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cargo install rrule --features="cli-tool"
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export PATH="\$PATH:${HOME}/.cargo/bin/"
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EOF
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exit
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fi
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for d in $(rrule "DTSTART:${DTSTART}\n${RRULE}" -l ${REPEAT});do
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DATE=$(date -u --date="${d}" +"%Y-%m-%dT%H:%M:%SZ")
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DATEONLY=$(date -u --date="${d}" +"%Y-%m")
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cat <<EOF
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<event title="Plenum">
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<start>${DATE}</start>
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<location><link href="http://www.c3d2.de/space.html">HQ</link>, /proc, Zentralwerk, Riesaer Straße 32, 01127 Dresden</location>
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<link>https://codimd.c3d2.de/plenum-${DATEONLY}</link>
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</event>
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EOF
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done
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