471 lines
10 KiB
Bash
Executable file
471 lines
10 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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# ein paar Sicherheitsvorkehrungen
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# --------------------------------
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unset -f command
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unset -f unalias
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\unalias -a
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OLDPATH=$PATH
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PATH=/bin:/usr/bin
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export PATH
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# Benötigte Programme
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# -------------------
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TR_BIN=$(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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GIT_BIN=$(which git 2>/dev/null || echo "git")
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LATEX_BIN=$(which latex 2>/dev/null || echo "latex")
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RUBBER_BIN=$(which rubber 2>/dev/null || echo "rubber")
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# Nicht auf rubber prüfen; Programm ist optional
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# Nicht auf git prüfen; wird nur benötigt, wenn rechnung.sty nicht existiert.
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# Nicht auf latex prüfen; wird nur benötigt, wenn rechnung.sty nicht texistiert.
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EXECUTABLES_TO_CHECK="$BC_BIN $TR_BIN $SED_BIN $CUT_BIN $TPUT_BIN $DATE_BIN $PDFLATEX_BIN"
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GENPDF=""
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if [ -x "$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=`basename $0`
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PROGRAMM_VERSION="0.0.1"
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#VERBOSITY=0
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STY_HOME="$HOME/texmf/tex/latex"
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STY_RECHNUNG="rechnung.sty"
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STY_URL="https://github.com/tomka/rechnung"
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RECHNUNGSFILE="rechnung.ini"
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TEMPLATEFILE="template.ltx"
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LCOFILE="absender.lco"
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LCO=$(basename $LCOFILE .lco)
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SEDFILE="sed.txt"
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LINE_BUFFER=""
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KEY_BUFFER=""
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VALUE_BUFFER=""
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ERROR=0
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KUNDE=""
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ADRESSE=""
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ANREDE=""
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ANZAHL=""
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POSITION=""
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SHORT=""
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BETRAG=""
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LFDNR=""
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# Farben definieren
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# -----------------
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NUMBER_OF_COLORS=$($TPUT_BIN colors)
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COLORED_OUTPUT=0
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RED="$(tput bold)$(tput setaf 1)"
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GREEN="$(tput bold)$(tput setaf 2)"
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YELLOW="$(tput bold)$(tput setaf 3)"
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BLUE="$(tput bold)$(tput setaf 4)"
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NORMAL="$(tput bold)$(tput sgr0)"
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# Ausgabefunktionen für Terminal
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# ------------------------------
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print_start() {
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msg=$*
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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printf "%s[+]%s %s" "$GREEN" "$NORMAL" "$msg"
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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_failed() {
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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printf "%s Failed%s\n" "$RED" "$NORMAL"
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else
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printf " Failed\n"
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fi
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}
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print_ok() {
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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printf "%s OK%s\n" "$GREEN" "$NORMAL"
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else
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printf " OK\n"
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fi
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}
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print_deko() {
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msg=$*
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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echo "${BLUE}${msg}${NORMAL}"
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else
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echo "$msg"
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fi
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}
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print_info() {
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msg=$*
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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echo "${GREEN}[+]$NORMAL $msg"
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else
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echo "[-] $msg"
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fi
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}
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print_warn() {
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msg=$*
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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echo "${YELLOW}[-]$NORMAL $msg"
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else
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echo "[-] $msg"
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fi
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}
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print_error() {
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msg=$*
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if [ "$COLORED_OUTPUT" -eq 1 ]; then
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echo "${RED}[-]$NORMAL $msg"
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else
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echo "[-] $msg"
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fi
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}
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# Diverse Checks
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# --------------
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check_readable() {
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print_start "Datei $1 ist lesbar ..."
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if test -f "$1" && test -r "$1"; 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_sty() (
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print_start "Suche nach $STY_RECHNUNG ..."
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rechnung=$(find "$STY_HOME" -type f -name "$STY_RECHNUNG")
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if test ! -f "$rechnung"; then
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print_failed
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return 1
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else
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print_ok
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return 0
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fi
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)
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check_binaries() {
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program=""
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binaries=$*
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for program in $binaries; do
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print_start "Suche nach $program ..."
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if test ! -x "$program"; then
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print_failed
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print_error "Das Programm $program wird benötigt, aber nicht gefunden."
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quit 3
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else
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print_ok
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fi
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done
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}
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is_option() (
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line="$*"
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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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# Whitespaces entfernen
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# in Buffer speichern
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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' "$*")
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set +f
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}
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# LaTeX-Paket rechnung.sty installieren
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# -------------------------------------
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install_sty() (
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old_pwd=$(pwd)
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printf " LaTeX Paket '%s' installieren? (y/N): " $STY_RECHNUNG; read -r REPLY
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if [ "$REPLY" = "y" ] || [ "$REPLY" = "Y" ] || [ "$REPLY" = "j" ] || [ "$REPLY" = "J" ]
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then
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check_binaries "$GIT_BIN $LATEX_BIN"
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print_start "Hole Repo von $STY_URL ..."
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if git clone $STY_URL >/dev/null 2>&1; then
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print_ok
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cd rechnung
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mkdir -p "$STY_HOME/rechnung/"
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print_start "Kompiliere $STY_RECHNUNG ..."
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if $LATEX_BIN rechnung.ins >/dev/null 2>&1; then
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print_ok
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print_start "Kopiere $STY_RECHNUNG nach $STY_HOME/rechnung ..."
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if cp rechnung.sty "$STY_HOME/rechnung/"; then
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print_ok
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else
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print_failed
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exit 1
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fi
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cd "$old_pwd"
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rm -rf rechnung/
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print_info "Paket $STY_RECHNUNG erfolgreich installiert"
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else
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print_error "Installation fehlgeschlagen"
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exit 5
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fi
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else
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print_error "Klonen des Repos fehlgeschlagen"
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exit 6
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fi
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else
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print_info "Beende Progrann"
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exit 7
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fi
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)
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# wenn ein neuer Kunde beginnt, alle Variablen neu initialisieren
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# ---------------------------------------------------------------
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reset_values() {
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print_info "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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key=$(echo "$*" | $CUT_BIN -d "=" -f1)
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value=$(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: $KEY_BUFFER"; ERROR=1;;
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esac
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}
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make_invoice() {
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dead_days="14"
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if [ "$(date +%u)" -gt 5 ]; then
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dead_days="16"
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fi
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month_ascii=$(date '+%B')
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# inv_day=$(date '+%j')
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inv_date=$(date '+%Y%m%d')
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inv_dead=$(date -d "+${dead_days}days" '+%d.\\,%m.\\,%Y')
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rechnungsnummer="$inv_date--$LFDNR"
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subject="Rechnung zu $SHORT"
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filename="$(date '+%Y%m%d')_Rechnung_${month_ascii}_$(echo "$KUNDE" | $TR_BIN " " "_").ltx"
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buffer="$KUNDE; $ADRESSE"
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anschrift="$(echo "$buffer" | sed 's/; /\\\\\\\\\\\\\\ /g')"
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print_info "Erstelle Rechnung: $filename"
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{
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printf "s!#LCOFILE#!%s!\n" "$LCO"
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printf "s!#SUBJECT#!%s!\n" "$subject"
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printf "s!#ANREDE#!%s!\n" "$ANREDE"
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printf "s!#ANSCHRIFT#!%s!\n" "$anschrift"
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printf "s!#RECHNUNGSNUMMER#!%s!\n" "$rechnungsnummer"
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printf "s!#ANZAHL#!%s!\n" "$ANZAHL"
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printf "s!#POSITION#!%s!\n" "$POSITION"
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printf "s!#BETRAG#!%s!\n" "$BETRAG"
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printf "s!#DEADLINE#!%s!\n" "$inv_dead"
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} >$SEDFILE
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cp "$TEMPLATEFILE" "$filename"
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$SED_BIN -i -f "$SEDFILE" "$filename"
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if ! $GENPDF "$filename"; then
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print_error "Rechnung fehlgeschlagen"
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else
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print_info "Rechnung erfolgreich erstellt"
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fi
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if [ -x "$RUBBER_BIN" ]; then
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"$RUBBER_BIN" --clean "$filename"
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fi
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}
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proced_ini_line() {
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line=$*
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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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if is_option "$line"; then
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set_value "$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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display_help() (
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echo "Usage: $PROGRAMM_NAME [-f rechnungsfile] [-h] [-l lco-file]"
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)
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quit() {
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printf "\n"
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printf "%s" "$BLUE"
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printf "[-] Exit%s\n" "$NORMAL"
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exit 1
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}
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# --- Programmstart --- #
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# --------------------- #
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# CLI Optionen auswerten
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while getopts f:hl: opt
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do
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case $opt in
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f) RECHNUNGSFILE=$OPTARG;;
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h) display_help; exit 0;;
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l) LCOFILE=$OPTARG;;
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*) display_help; exit 1;;
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esac
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done
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# Verschiedene Basic Checks
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if [ -n "$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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print_deko " ========================"
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print_deko " = $PROGRAMM_NAME v$PROGRAMM_VERSION ="
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print_deko " ========================"
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if [ "$(id -u)" -eq 0 ]; then
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print_error "$0: Das Skript darf nicht als Root ausgeführt werden."
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exit 1
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fi
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check_binaries "$EXECUTABLES_TO_CHECK"
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check_readable "$RECHNUNGSFILE"
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check_readable "$TEMPLATEFILE"
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check_readable "$LCOFILE"
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if ! check_sty "$STY_HOME"; then
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print_warn "$STY_RECHNUNG nicht gefunden."
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install_sty
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fi
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# Kundendatei einlesen und rechnungen erstellen
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while IFS= read -r rawline
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do
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trim_line "$rawline"
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proced_ini_line "$LINE_BUFFER"
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done < "$RECHNUNGSFILE"
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