351 lines
6.5 KiB
Bash
Executable File
351 lines
6.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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export LC_ALL=en_US.utf8
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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/${script_name%%.*}.conf"
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LOCK_DIR="/tmp/dovecot_last_change.LOCK"
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error_log="${LOCK_DIR}/error.log"
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_CACHE_FILE="${LOCK_DIR}/tmp_last_change"
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# -------------
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# --- Some defaut values
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# -------------
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DEFAULT_MAILBOX_BASE_DIR="/var/vmail"
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DEFAULT_DST_DIR="/var/MAIL-STATS/LAST-CHANGE"
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DEFAULT_DOMAIN="*"
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DEFAULT_USER="*"
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# -------------
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# --- Some functions
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# -------------
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usage() {
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[[ -n "$1" ]] && error "$1"
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[[ $terminal ]] && echo -e "
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\033[1mUsage:\033[m
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$(basename $0) [-d <mail-domain>]
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\033[1mDescription\033[m
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Script determins the 'last change' time of maildirs using dovecots 'dovecot.index.log'
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for each mailbox of a domain. If no domain was given at the command line, statistics
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is written for all mailboxes of all available domains.
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\033[1mOptions\033[m
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-d
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The domain for which the 'last change' statistic is written. The default is to
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write statistics for all available mail domains.
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\033[1mFiles\033[m
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$conf_file: Configuration file
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\033[1mExample:\033[m
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Write statistics for domain mail36.net
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$(basename $0) .. <comand example>
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"
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clean_up 1
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}
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clean_up() {
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# Perform program exit housekeeping
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rm -rf "$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[1mError\033[m ]: $*"
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echo ""
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echo -e "\033[15G\033[31m\033[1mScript was interupted\033[m!"
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else
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echo " [ Fatal ]: $*"
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echo ""
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echo " Script was terminated...."
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fi
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echo ""
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clean_up 1
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}
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warn (){
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if $terminal ; then
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blank_line
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echo -e " [ \033[33m\033[1mWarn\033[m ] $*"
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blank_line
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fi
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}
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info (){
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if $terminal ; then
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blank_line
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echo -e " [ \033[32m\033[1mInfo\033[m ] $*"
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blank_line
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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_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[37m\033[1mskipped\033[m ]"
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fi
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}
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echo_wait(){
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if $terminal ; then
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echo -en "\033[75G[ \033[5m\033[1m...\033[m ]"
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fi
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}
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blank_line() {
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if $terminal ; then
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echo ""
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fi
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}
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# Check if a given array (parameter 2) contains a given string (parameter 1)
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#
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containsElement () {
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local e
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for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
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return 1
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}
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# -------------
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# - Job is already running?
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# -------------
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# - If job already runs, stop execution..
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# -
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if mkdir "$LOCK_DIR" 2> /dev/null ; then
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## - Remove lockdir when the script finishes, or when it receives a signal
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trap clean_up SIGHUP SIGINT SIGTERM
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else
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datum="$(date +"%d.%m.%Y %H:%M")"
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msg="A previos instance of \"${script_name}\" seems already be running."
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blank_line
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if $terminal ; then
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echo -e " [ \033[31m\033[1mError\033[m ]: $msg"
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echo ""
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echo -e "\033[15G\033[31m\033[1mScript was interupted\033[m!"
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else
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echo " [ Fatal ]: $msg"
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echo ""
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echo " Script was terminated...."
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fi
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echo ""
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exit 1
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fi
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# -------------
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# --- Check some prerequisites
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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 file '$conf_file'
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# ----------
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if [[ -f "$conf_file" ]]; then
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source "$conf_file"
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else
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warn "No configuration file '$conf_file' present.\n
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Loading default values.."
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fi
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[[ -n "${MAILBOX_BASE_DIR}" ]] || MAILBOX_BASE_DIR="${DEFAULT_MAILBOX_BASE_DIR}"
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[[ -n "${DST_DIR}" ]] || DST_DIR="${DEFAULT_DST_DIR}"
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# ----------
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# - Read commandline parameter
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# ----------
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while getopts d:h opt ; do
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case $opt in
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d) DOMAIN="$OPTARG"
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;;
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h) usage
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;;
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\?) usage ;;
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esac
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done
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[[ -n "${DOMAIN}" ]] || DOMAIN="*"
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USER="*"
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echo -n '' > $_CACHE_FILE
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chmod 600 $_CACHE_FILE
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declare -a _domain_arr=()
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blank_line
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echononl "Create Directory '${DST_DIR}'.."
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if [[ ! -d "$DST_DIR" ]] ; then
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mkdir -p "$DST_DIR" > $error_log 2>&1
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if [[ $? -eq 0 ]]; then
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echo_done
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else
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echo_failed
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error "$(cat "$error_log")"
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fi
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else
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echo_skipped
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fi
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echononl "Remove old statistic files .."
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if [[ "$DOMAIN" = "*" ]] ; then
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rm -f ${DST_DIR}/* > $error_log 2>&1
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if [[ $? -eq 0 ]]; then
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echo_done
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else
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echo_failed
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error "$(cat "$error_log")"
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fi
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else
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rm -f "${DST_DIR}/${DOMAIN}/*"
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if [[ $? -eq 0 ]]; then
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echo_done
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else
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echo_failed
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error "$(cat "$error_log")"
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fi
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fi
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echononl "Determin last change time for mailboxes.."
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echo_wait
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for _index_log in $(ls ${MAILBOX_BASE_DIR}/${DOMAIN}/${USER}/Maildir/dovecot.index.log); do
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LAST_CHANGE="$(stat $_index_log | grep 'Change: ' | cut -d' ' -f2)"
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DOMAIN="$(echo $_index_log | cut -d/ -f4)"
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USER="$(echo $_index_log | cut -d/ -f5)"
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echo "$LAST_CHANGE ${USER}@${DOMAIN}" >> $_CACHE_FILE
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if ! containsElement "$DOMAIN" "${_domain_arr[@]}" ; then
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_domain_arr+=("$DOMAIN")
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fi
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done;
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echo_done
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echononl "Write down over all statistic file .."
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if [[ ${#_domain_arr[@]} -gt 1 ]]; then
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cat $_CACHE_FILE | sort -n > "${DST_DIR}/00-all-domains.stat" 2> "$error_log"
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if [[ $? -eq 0 ]]; then
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echo_done
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else
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echo_failed
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error "$(cat "$error_log")"
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fi
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else
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echo_skipped
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fi
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echononl "Write down statistic files per domain .."
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echo_wait
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_failed=false
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for _domain in "${_domain_arr[@]}" ; do
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if [[ ${#_domain_arr[@]} -eq 1 ]] ; then
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cat $_CACHE_FILE | sort -n > "${DST_DIR}/${_domain}.stat" 2> "$error_log"
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else
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cat "${DST_DIR}/00-all-domains.stat" | grep "@$_domain" > "${DST_DIR}/${_domain}.stat" 2> "$error_log"
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fi
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if [[ $? -ne 0 ]]; then
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_failed=true
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fi
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done
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if $_failed ; then
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echo_failed
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else
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echo_done
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fi
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info "Statistic file(s) stored at directory '${DST_DIR}/'"
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clean_up 0;
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