Add script 'pcs_online.sh'.
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39
conf/pcs_online.conf.sample
Normal file
39
conf/pcs_online.conf.sample
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# -----------------------------------
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# - Settings for script pcs_online.sh
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# -----------------------------------
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# - LOCAL_DOMAIN
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# -
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# - Example:
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# - LOCAL_DOMAIN="sprachenateliern.netz"
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# -
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LOCAL_DOMAIN=""
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# - HOSTNAME_PREFIX
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# -
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# - Example:
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# - HOSTNAME_PREFIX="cl"
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# -
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HOSTNAME_PREFIX=""
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# - FIRST_PC_NUM
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# -
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# - Example:
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# - FIRST_PC_NUM=101
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# -
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LAST_PC_NUM=""
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# - FIRST_PC_NUM
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# -
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# - Example:
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# - LAST_PC_NUM=109
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# -
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LAST_PC_NUM=""
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# - PC_NUMBERS_PRESENT
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# -
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# - Example:
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# - PC_NUMBERS_PRESENT="101 102 103 104 105 106 107 109"
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# -
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PC_NUMBERS_PRESENT=""
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262
pcs_online.sh
Executable file
262
pcs_online.sh
Executable file
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#!/usr/bin/env bash
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script_name="$(basename $(realpath $0))"
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working_dir="$(dirname $(realpath $0))"
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conf_file="${working_dir}/conf/${script_name%%.*}.conf"
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# ----------
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# Base Function(s)
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# ----------
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clean_up() {
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# Perform program exit housekeeping
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rm -rf "$LOCK_DIR"
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blank_line
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exit $1
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}
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echononl(){
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if $terminal ; then
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n " $*\\c" 1>&2
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else
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echo -e -n " $*" 1>&2
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fi
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rm /tmp/shprompt$$
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fi
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}
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fatal(){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ] $*"
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else
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echo -e " [ Fatal ] $*"
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fi
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echo ""
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if $terminal ; then
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echo -e " \033[1mScript terminated\033[m.."
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else
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echo -e " Script terminated.."
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fi
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echo ""
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rm -rf $LOCK_DIR
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exit 1
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}
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error (){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mError\033[m ] $*"
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else
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echo " [ Error ] $*"
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fi
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echo ""
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}
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warn (){
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if $LOGGING || $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[33m\033[1mWarn\033[m ] $*"
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else
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echo " [ Warn ] $*"
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fi
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echo ""
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fi
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}
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info (){
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if $LOGGING || $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[32m\033[1mInfo\033[m ] $*"
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else
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echo " [ Info ] $*"
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fi
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echo ""
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fi
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}
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ok (){
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if $LOGGING || $terminal ; then
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echo ""
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if $terminal ; then
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echo -e " [ \033[32m\033[1mOk\033[m ] $*"
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else
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echo " [ Ok ] $*"
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fi
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echo ""
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fi
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}
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echo_done() {
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if $terminal ; then
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echo -e "\033[75G[ \033[32mdone\033[m ]"
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fi
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}
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echo_ok() {
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if $terminal ; then
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echo -e "\033[75G[ \033[32mok\033[m ]"
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fi
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}
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echo_failed(){
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if $terminal ; then
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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fi
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}
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echo_skipped() {
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if $terminal ; then
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echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
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fi
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}
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trim() {
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local var="$*"
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var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
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var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
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echo -n "$var"
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}
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blank_line() {
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if $terminal ; then
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echo ""
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fi
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}
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is_number() {
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return $(test ! -z "${1##*[!0-9]*}" > /dev/null 2>&1);
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# - also possible
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# -
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#[[ ! -z "${1##*[!0-9]*}" ]] && return 0 || return 1
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#return $([[ ! -z "${1##*[!0-9]*}" ]])
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}
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## - Check if a given array (parameter 2) contains a given string (parameter 1)
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## -
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containsElement () {
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local e
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for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
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return 1
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}
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# ----------
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# - Jobhandling
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# ----------
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# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
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# -
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trap clean_up SIGHUP SIGINT SIGTERM
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# - Create lock directory '$LOCK_DIR"
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#
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mkdir "$LOCK_DIR"
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# ----------
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# - Some checks ..
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# ----------
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# - Running in a terminal?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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else
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terminal=false
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fi
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# ==========
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# - Begin Main Script
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# ==========
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# ----------
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# - Headline
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# ----------
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if $terminal ; then
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echo ""
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echo -e "\033[1m----------\033[m"
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echo -e "\033[32m\033[1mRunning script \033[m\033[1m$script_name\033[32m .. \033[m"
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echo -e "\033[1m----------\033[m"
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fi
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# ----------
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# Read Configurations from $conf_file
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# ----------
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if [[ -f "$conf_file" ]]; then
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source "$conf_file"
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else
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fatal "No configuration file '$conf_file' present!"
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fi
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if [[ -z "$LOCAL_DOMAIN" ]] ; then
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fatal "Local domain (Variable 'LOCAL_DOMAIN') not given!"
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fi
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if [[ -z "$HOSTNAME_PREFIX" ]] ; then
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fatal "Hostname prefix not given. (Variable 'HOSTNAME_PREFIX')"
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fi
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if [[ -z "$FIRST_PC_NUM" ]] ; then
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fatal "First PC number not given (Variable 'FIRST_PC_NUM')"
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fi
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if [[ -z "$LAST_PC_NUM" ]] ; then
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fatal "Last PC number not given (Variable 'LAST_PC_NUM')"
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fi
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declare -a pc_numbers_arr=()
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if [[ -n "$PC_NUMBERS_PRESENT" ]] ; then
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for _number in $PC_NUMBERS_PRESENT ; do
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if is_number $_number ; then
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pc_numbers_arr+=($_number)
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fi
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done
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fi
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declare -i nr=$FIRST_PC_NUM
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blank_line
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while [[ $nr -le $LAST_PC_NUM ]] ; do
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if [[ ${#pc_numbers_arr[@]} -gt 0 ]] ; then
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if ! containsElement $nr ${pc_numbers_arr[@]} ; then
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let nr++
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continue
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fi
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fi
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ping -n -c 2 -q ${HOSTNAME_PREFIX}${nr}.$LOCAL_DOMAIN > /dev/null 2>&1
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if [[ $? -eq 0 ]]; then
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if $terminal ; then
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echo -e "\t${HOSTNAME_PREFIX}${nr}.${LOCAL_DOMAIN}: \033[32m\033[1monline\033[m"
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else
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echo " ${HOSTNAME_PREFIX}${nr}.${LOCAL_DOMAIN}: online"
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fi
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else
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if $terminal ; then
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echo -e "\t${HOSTNAME_PREFIX}${nr}.${LOCAL_DOMAIN}: \033[31m\033[1moffline\033[m"
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else
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echo " ${HOSTNAME_PREFIX}${nr}.${LOCAL_DOMAIN}: offline"
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fi
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fi
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let nr++
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done
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blank_line
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clean_up 0
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