#!/bin/bash # ============================================================================== # DOS ARJ-Packer & Floppy-IMA Generator (über DOSBox & echte ARJ.EXE) # ============================================================================== SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" SCRIPT_NAME=$(basename "$0") if [ "$#" -lt 3 ]; then echo -e "\nNutzung: $SCRIPT_NAME [PFAD_BEHALTEN 0|1]\n" echo "Parameter:" echo " ARCHIVNAME_8 : Name ohne Endung (max. 8 Zeichen, z.B. PCKCOL)" echo " QUELLORDNER : Pfad zum Quellverzeichnis" echo " DISKGROESSE : Disketten-Größe: 1.44 (MB), 1.2 (MB), 720 (kB), 360 (kB)" echo " PFAD_BEHALTEN : 0 = Nur Inhalt packen / Root ist Ordnerinhalt (Standard)" echo " 1 = Quellordner als ARCHIVNAME_8 im Archiv mitpacken" echo "" echo "Beispiel:" echo " $SCRIPT_NAME PCKCOL \"/home/user/PCKCOL\" 1.44 0" exit 1 fi ARCHIVE_BASE="$1" SRC_DIR="$2" DISK_SIZE_INPUT="$3" PRESERVE_PATH="${4:-0}" # ------------------------------------------------------------------------------ # 1. Abhängigkeiten & ARJ.EXE prüfen # ------------------------------------------------------------------------------ DOSBOX_BIN="" if command -v dosbox-staging &> /dev/null; then DOSBOX_BIN="dosbox-staging" elif command -v dosbox &> /dev/null; then DOSBOX_BIN="dosbox" else echo -e "\nFehler: Weder 'dosbox-staging' noch 'dosbox' wurde gefunden. Bitte installieren." exit 1 fi for cmd in dd mformat mcopy du; do if ! command -v $cmd &> /dev/null; then echo -e "\nFehler: Befehl '$cmd' wurde nicht gefunden. Bitte installieren." exit 1 fi done ARJ_EXE="" if [ -f "$SCRIPT_DIR/ARJ.EXE" ]; then ARJ_EXE="$SCRIPT_DIR/ARJ.EXE" elif [ -f "./ARJ.EXE" ]; then ARJ_EXE="$(pwd)/ARJ.EXE" fi if [ -z "$ARJ_EXE" ]; then echo -e "\nFehler: 'ARJ.EXE' (16-Bit DOS Executable) wurde nicht gefunden!" echo "Bitte lege die DOS-Datei 'ARJ.EXE' in folgenden Ordner: $SCRIPT_DIR" exit 1 fi # ------------------------------------------------------------------------------ # 2. DOS 8-Zeichen Name prüfen # ------------------------------------------------------------------------------ if [[ ! "$ARCHIVE_BASE" =~ ^[a-zA-Z0-9_-]{1,8}$ ]]; then echo -e "\nFehler: Archivname '$ARCHIVE_BASE' entspricht nicht dem DOS-8-Format!" echo "Er darf maximal 8 Zeichen lang sein und keine Leer- oder Sonderzeichen enthalten." exit 1 fi ARCHIVE_BASE="${ARCHIVE_BASE^^}" ARCHIVE_NAME="${ARCHIVE_BASE}.ARJ" # ------------------------------------------------------------------------------ # 3. Pfade auflösen # ------------------------------------------------------------------------------ if [ ! -d "$SRC_DIR" ]; then echo -e "\nFehler: Quellverzeichnis '$SRC_DIR' wurde nicht gefunden!" exit 1 fi ABS_SRC_DIR=$(cd "$SRC_DIR" && pwd) PARENT_DIR=$(dirname "$ABS_SRC_DIR") ORIGINAL_FOLDER_NAME=$(basename "$ABS_SRC_DIR") # ------------------------------------------------------------------------------ # 4. Disketten-Spezifikationen festlegen # ------------------------------------------------------------------------------ case "$DISK_SIZE_INPUT" in 1.44|1440) ARJ_SPLIT="1440" DD_COUNT=1440 MFORMAT_SIZE=1440 MAX_DISK_BYTES=1457664 ;; 1.2|1200) ARJ_SPLIT="1200" DD_COUNT=1200 MFORMAT_SIZE=1200 MAX_DISK_BYTES=1213952 ;; 720) ARJ_SPLIT="720" DD_COUNT=720 MFORMAT_SIZE=720 MAX_DISK_BYTES=730112 ;; 360) ARJ_SPLIT="360" DD_COUNT=360 MFORMAT_SIZE=360 MAX_DISK_BYTES=362496 ;; *) echo -e "\nFehler: Ungültige Diskettengröße '$DISK_SIZE_INPUT'!" echo "Erlaubte Werte: 1.44, 1.2, 720, 360" exit 1 ;; esac # ------------------------------------------------------------------------------ # 5. Größenprüfung des Quellordners # ------------------------------------------------------------------------------ FOLDER_BYTES=$(du -sb "$ABS_SRC_DIR" 2>/dev/null | awk '{print $1}') if [ -n "$FOLDER_BYTES" ] && [ "$FOLDER_BYTES" -lt "$MAX_DISK_BYTES" ]; then WARN_PCT=$(( FOLDER_BYTES * 100 / MAX_DISK_BYTES )) echo "-------------------------------------------------------------------------------" echo "💡 HINWEIS: Der Quellordner belegt unkomprimiert nur ${WARN_PCT}% einer" echo " Diskette ($FOLDER_BYTES von $MAX_DISK_BYTES Bytes)." echo " Die Dateien würden direkt unkomprimiert auf eine Diskette passen." echo "-------------------------------------------------------------------------------" fi # ------------------------------------------------------------------------------ # 6. Trap für sicheres Aufräumen bei Abbruch # ------------------------------------------------------------------------------ RENAMED=0 TMP_DOS_DIR="" TMP_CONF="" cleanup() { [ -n "$TMP_DOS_DIR" ] && [ -d "$TMP_DOS_DIR" ] && rm -rf "$TMP_DOS_DIR" [ -n "$TMP_CONF" ] && [ -f "$TMP_CONF" ] && rm -f "$TMP_CONF" if [ "$RENAMED" -eq 1 ] && [ -d "$PARENT_DIR/$ARCHIVE_BASE" ]; then echo -e "\nStelle ursprünglichen Ordnernamen wieder her..." mv "$PARENT_DIR/$ARCHIVE_BASE" "$ABS_SRC_DIR" fi } trap cleanup EXIT INT TERM # ------------------------------------------------------------------------------ # 7. Isolierte Temp-Umgebung & leere DOSBox-Config anlegen # ------------------------------------------------------------------------------ TMP_DOS_DIR=$(mktemp -d) cp "$ARJ_EXE" "$TMP_DOS_DIR/ARJ.EXE" TMP_CONF=$(mktemp --suffix=.conf) cat << 'EOF' > "$TMP_CONF" [sdl] display = 0 [cpu] core = dynamic cputype = auto cycles = max [autoexec] EOF LOG_FILE="$TMP_DOS_DIR/dosbox.log" echo "-------------------------------------------------------------------------------" echo "1. Erstelle echtes DOS ARJ-Archiv in DOSBox ($DOSBOX_BIN): $ARCHIVE_NAME" echo " Split-Preset: -v$ARJ_SPLIT" echo "-------------------------------------------------------------------------------" if [ "$PRESERVE_PATH" -eq 1 ]; then if [ "$ORIGINAL_FOLDER_NAME" != "$ARCHIVE_BASE" ]; then if [ -e "$PARENT_DIR/$ARCHIVE_BASE" ]; then echo -e "\nFehler: Zielpfad '$PARENT_DIR/$ARCHIVE_BASE' existiert bereits!" exit 1 fi mv "$ABS_SRC_DIR" "$PARENT_DIR/$ARCHIVE_BASE" RENAMED=1 fi "$DOSBOX_BIN" -nogui -noconfig -conf "$TMP_CONF" \ -c "MOUNT C \"$TMP_DOS_DIR\"" \ -c "MOUNT D \"$PARENT_DIR\"" \ -c "C:" \ -c "D:" \ -c "C:\ARJ.EXE a -r -y -m1 -v$ARJ_SPLIT C:\\$ARCHIVE_NAME $ARCHIVE_BASE\\*.*" \ -c "EXIT" &> "$LOG_FILE" else "$DOSBOX_BIN" -nogui -noconfig -conf "$TMP_CONF" \ -c "MOUNT C \"$TMP_DOS_DIR\"" \ -c "MOUNT D \"$ABS_SRC_DIR\"" \ -c "C:" \ -c "D:" \ -c "C:\ARJ.EXE a -r -y -m1 -v$ARJ_SPLIT C:\\$ARCHIVE_NAME *.*" \ -c "EXIT" &> "$LOG_FILE" fi # Erzeugte Archive aus dem Temp-Ordner ins aktuelle Verzeichnis holen mv "$TMP_DOS_DIR"/${ARCHIVE_BASE}.* "$(pwd)/" 2>/dev/null if [ ! -f "${ARCHIVE_BASE}.ARJ" ]; then echo -e "\nFehler beim Erstellen des ARJ-Archivs via DOSBox!" if [ -f "$LOG_FILE" ]; then echo "--- DOSBox Log ---" cat "$LOG_FILE" echo "------------------" fi exit 1 fi # ------------------------------------------------------------------------------ # 8. Disketten-Images (.IMA) erzeugen, formatieren & befüllen # ------------------------------------------------------------------------------ echo -e "\n-------------------------------------------------------------------------------" echo "2. Erstelle .IMA Disketten-Image(s)" echo "-------------------------------------------------------------------------------" ARJ_FILES=() [ -f "${ARCHIVE_BASE}.ARJ" ] && ARJ_FILES+=("${ARCHIVE_BASE}.ARJ") while IFS= read -r file; do if [ -n "$file" ] && [ "$file" != "${ARCHIVE_BASE}.ARJ" ]; then ARJ_FILES+=("$file") fi done < <(ls "${ARCHIVE_BASE}".A* 2>/dev/null | sort) TOTAL_DISKS=${#ARJ_FILES[@]} DISK_INDEX=1 for arj_part in "${ARJ_FILES[@]}"; do if [ "$TOTAL_DISKS" -eq 1 ]; then IMA_NAME="${ARCHIVE_BASE}.IMA" VOLUME_LABEL="${ARCHIVE_BASE:0:11}" else IDX_STR=$(printf "%02d" $DISK_INDEX) IMA_NAME="${ARCHIVE_BASE}_DISK${IDX_STR}.IMA" VOLUME_LABEL="${ARCHIVE_BASE:0:8}_${DISK_INDEX}" fi echo -n " -> Erstelle $IMA_NAME ($arj_part)... " dd if=/dev/zero of="$IMA_NAME" bs=1k count=$DD_COUNT status=none if [ $? -ne 0 ]; then echo "FEHLER (dd)"; exit 1; fi mformat -i "$IMA_NAME" -f $MFORMAT_SIZE -v "$VOLUME_LABEL" :: if [ $? -ne 0 ]; then echo "FEHLER (mformat)"; exit 1; fi mcopy -i "$IMA_NAME" "$arj_part" :: if [ $? -ne 0 ]; then echo "FEHLER (mcopy)"; exit 1; fi echo "OK! [Label: $VOLUME_LABEL]" ((DISK_INDEX++)) done echo -e "\n-------------------------------------------------------------------------------" echo "Fertig! Erstellte Disketten-Images:" if [ "$TOTAL_DISKS" -eq 1 ]; then ls -lh "${ARCHIVE_BASE}.IMA" else ls -lh ${ARCHIVE_BASE}_DISK*.IMA fi echo "-------------------------------------------------------------------------------" exit 0