320 lines
6.7 KiB
Bash
Executable file
320 lines
6.7 KiB
Bash
Executable file
#!/bin/sh
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# file: rechnung.sh
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# date: 02.05.2021
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# user: bernd@nr18.space
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# desc: Liest verschiedene Kunden und Dienstleistungen aus der Datei
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# rechnung.ini und erstellt daraus Rechnungen mit Hilfe eines
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# Latex-Templates.
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set -u
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set -e
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# Benötigte Programme
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# -------------------
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TR_BIN=$(which tr 2>/dev/null || echo "tr")
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BC_BIN=$(which bc 2>/dev/null || echo "bc")
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SED_BIN=$(which sed 2>/dev/null || echo "sed")
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CUT_BIN=$(which cut 2>/dev/null || echo "cut")
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DATE_BIN=$(which date 2>/dev/null || echo "date")
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TPUT_BIN=$(which tput 2>/dev/null || echo "tput")
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PDFLATEX_BIN=$(which pdflatex 2>/dev/null || echo "pdflatex")
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RUBBER_BIN=$(which rubber 2>/dev/null || echo "rubber")
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EXECUTABLES_TO_CHECK="$BC_BIN $TR_BIN $SED_BIN $CUT_BIN $TPUT_BIN $DATE_BIN $PDFLATEX_BIN $RUBBER_BIN"
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GENPDF=""
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if [ -x $RUBBER_BIN ]; then
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GENPDF="$RUBBER_BIN -d "
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else
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GENPDF="$PDFLATEX_BIN -halt-on-error "
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fi
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# Variablen definieren
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# --------------------
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PROGRAMM_NAME=$0
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PROGRAMM_VERSION="0.0.1"
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VERBOSITY=0
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RECHNUNGSFILE="rechnung.ini"
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TEMPLATEFILE="template.ltx"
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SEDFILE="sed.txt"
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LINE_BUFFER=""
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KEY_BUFFER=""
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VALUE_BUFFER=""
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ERROR=0
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KUNDE=""
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ADRESSE=""
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ANREDE=""
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ANZAHL=""
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POSITION=""
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SHORT=""
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BETRAG=""
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LFDNR=""
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# Farben definieren
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# -----------------
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NUMBER_OF_COLORS=$($TPUT_BIN colors)
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COLORED_OUTPUT=0
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RED="\\033[1;31m"
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GREEN="\\033[1;32m"
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YELLOW="\\033[1;33m"
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BLUE="\\033[1;34m"
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NORMAL="\\033[0;39m"
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# Diverse Checks
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# --------------
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check_readable() {
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printf "\n[+] Datei \"$1\" ist lesbar ..."
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if [ -f "$1" ] && [ -r "$1" ]
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then
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print_ok
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else
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print_failed
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quit 1
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fi
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}
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check_binaries() {
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local program=""
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local binaries=$*
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for program in $binaries; do
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printf "\n[+] Suche nach Programm $program ..."
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if [ ! -x "$program" ]; then
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print_failed
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printf "\n[-] Das Programm \"$program\" wird benötigt, aber nicht gefunden."
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quit 3
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else
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print_ok
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fi
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done
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}
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is_option() (
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local line="$*"
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if [ "${line#*=}" != "$line" ]; then
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return 0
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else
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return 1
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fi
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)
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# Ausgaben im Terminal
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# --------------------
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print_failed() {
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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printf "$RED Failed$NORMAL"
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else
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printf " Failed"
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fi
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}
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print_ok() {
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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printf "$GREEN OK$NORMAL"
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else
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printf " OK"
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fi
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}
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print_warn() {
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local msg=$*
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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echo -e "$YELLOW[-]$NORMAL $msg"
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else
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echo -e "[-] $msg"
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fi
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}
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# Whitespaces entfernen
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# ---------------------
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trim_line() {
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set -f
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set -- $*
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LINE_BUFFER=$(printf '%s' "$*")
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set +f
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}
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trim_key() {
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set -f
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set -- $*
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KEY_BUFFER=$(printf '%s' "$*")
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set +f
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}
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trim_value() {
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set -f
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set -- $*
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VALUE_BUFFER=$(printf '%s' "$*")
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set +f
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}
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reset_values() {
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echo -e "\n[+] Initialisiere Felder für Rechnung neu."
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LINE_BUFFER=""
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KEY_BUFFER=""
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VALUE_BUFFER=""
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ERROR=0
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KUNDE=""
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ADRESSE=""
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ANREDE=""
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ANZAHL=""
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POSITION=""
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SHORT=""
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BETRAG=""
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LFDNR=""
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}
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set_value() {
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local key=$(echo "$*" | $CUT_BIN -d "=" -f1)
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local value=$(echo "$*" | $CUT_BIN -d "=" -f2)
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trim_key $key
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trim_value $value
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case $KEY_BUFFER in
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kunde) KUNDE="$VALUE_BUFFER";;
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adresse) ADRESSE="$VALUE_BUFFER";;
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anrede) ANREDE="$VALUE_BUFFER";;
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anzahl) ANZAHL="$VALUE_BUFFER";;
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position) POSITION="$VALUE_BUFFER";;
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betrag) BETRAG="$VALUE_BUFFER";;
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lfdnr) LFDNR="$VALUE_BUFFER";;
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short) SHORT="$VALUE_BUFFER";;
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*) print_warn "Unbekanntes Feld: $KEY_BUFFER"; ERROR=1;;
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esac
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}
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make_invoice() {
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local dead_days="14"
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if [ $(date +%u) -gt 5 ]; then
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dead_days="16"
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fi
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local month_ascii=$(date '+%B')
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local inv_day=$(date '+%j')
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local inv_date=$(date '+%Y%m%d')
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local inv_dead=$(date -d "+${dead_days}days" '+%d.\\\\,%m.\\\\,%Y')
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local rechnungsnummer="$inv_date-$LFDNR"
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local subject="Rechnung zu $SHORT"
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local filename="$(date '+%Y%m%d')_Rechnung_$(echo "$month_ascii")_$(echo "$KUNDE" | $TR_BIN " " "_").ltx"
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local buffer="$KUNDE; $ADRESSE"
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local anschrift="$(echo "$buffer" | sed 's/; /\\\\\\\\\\\\\\ /g')"
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echo "[+] Erstelle Rechnung: $filename"
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echo -n "s!#SUBJECT#!" >$SEDFILE; echo "$subject!" >>$SEDFILE
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echo -n "s!#ANREDE#!" >>$SEDFILE; echo "$ANREDE!" >>$SEDFILE
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echo -n "s!#ANSCHRIFT#!" >>$SEDFILE; echo "$anschrift!" >>$SEDFILE
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echo -n "s!#RECHNUNGSNUMMER#!" >>$SEDFILE; echo "$rechnungsnummer!" >>$SEDFILE
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echo -n "s!#ANZAHL#!" >>$SEDFILE; echo "$ANZAHL!" >>$SEDFILE
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echo -n "s!#POSITION#!" >>$SEDFILE; echo "$POSITION!" >>$SEDFILE
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echo -n "s!#BETRAG#!" >>$SEDFILE; echo "$BETRAG!" >>$SEDFILE
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echo -n "s!#DEADLINE#!" >>$SEDFILE; echo "$inv_dead!" >>$SEDFILE
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cp $TEMPLATEFILE $filename
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$SED_BIN -i -f $SEDFILE $filename
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$GENPDF $filename
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if [ -x $RUBBER_BIN ]; then
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$RUBBER_BIN --clean $filename
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fi
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if [ $? -eq 0 ]; then
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echo "[+] Rechnung erfolgreich erstellt"
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else
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echo "[-] Rechnung fehlgeschlagen"
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fi
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}
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proced_ini_line() {
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local line=$*
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local first=$(echo "$line" | cut -c1-1)
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# leerzeilen ignorieren
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if [ "$line" = "" ]; then
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return
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# kommentarzeilen ignorieren
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elif [ "$first" = "#" ]; then
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return
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# start einer neuen rechnung
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elif [ "$line" = "[start]" ]; then
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reset_values
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# ende einer rechnung
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elif [ "$line" = "[ende]" ]; then
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if [ $ERROR -ne 0 ]; then
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print_warn "Kunde \"$KUNDE\" enthält einen Fehler. Erstelle keine Rechung."
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return
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else
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make_invoice
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fi
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# alle anderen zeilen
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else
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is_option $line
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if [ $? -eq 0 ]
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then
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set_value $line
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else
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print_warn "Invalid syntax: $line"
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fi
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fi
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}
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quit() {
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printf "\n$BLUE"
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printf "[-] Exit$NORMAL\n"
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exit $1
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}
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# --- Programmstart --- #
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# --------------------- #
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echo "==================="
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echo "= Rechnung v$PROGRAMM_VERSION ="
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echo "==================="
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# Verschiedene Basic Checks
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if [ -n $NUMBER_OF_COLORS ] && [ "$NUMBER_OF_COLORS" -ge 8 ]; then
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COLORED_OUTPUT=1
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fi
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if [ $(id -u) -eq 0 ]; then
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echo "$0: Das Skript darf nicht als Root ausgeführt werden."
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exit 1
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fi
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check_binaries $EXECUTABLES_TO_CHECK
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check_readable $RECHNUNGSFILE
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check_readable $TEMPLATEFILE
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printf "\n"
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# Kundendatei einlesen und rechnungen erstellen
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while IFS= read -r rawline
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do
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trim_line $rawline
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proced_ini_line $LINE_BUFFER
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done <$RECHNUNGSFILE
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