From a6d0ab0c2ec8df64d13811a24ce760003a490064 Mon Sep 17 00:00:00 2001
From: Thorsten <thorsten.seine@gmail.com>
Date: Mon, 6 Jan 2025 21:01:45 +0100
Subject: [PATCH] Initial commit

---
 shell_convert_comics.sh | 102 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100755 shell_convert_comics.sh

diff --git a/shell_convert_comics.sh b/shell_convert_comics.sh
new file mode 100755
index 0000000..ccd4f8a
--- /dev/null
+++ b/shell_convert_comics.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+
+if [[ $# -ne 2 ]]; then
+    echo "Usage: $0 <mode> <directory>"
+    echo "Modes:"
+    echo "  cbz    Convert CBR to CBZ"
+    echo "  cbr    Convert CBZ to CBR"
+    exit 1
+fi
+
+mode="$1"
+input_dir="$2"
+
+if [[ ! -d "$input_dir" ]]; then
+    echo "Fehler: Verzeichnis $input_dir existiert nicht."
+    exit 1
+fi
+
+if [[ "$mode" == "cbz" ]]; then
+    for cbr_file in "$input_dir"/*.cbr; do
+        if [[ ! -f "$cbr_file" ]]; then
+            echo "Keine CBR-Dateien im Verzeichnis $input_dir gefunden."
+            exit 0
+        fi
+
+        base_name="${cbr_file%.cbr}"
+        temp_dir="${base_name}_temp"
+
+        echo "Verarbeite: $cbr_file"
+
+        # Entpacken
+        mkdir -p "$temp_dir"
+        unrar x -inul "$cbr_file" "$temp_dir/"
+        if [[ $? -ne 0 ]]; then
+            echo "Fehler beim Entpacken von $cbr_file. Überspringe Datei."
+            rm -r "$temp_dir"
+            continue
+        fi
+
+        # ZIP erstellen
+        (
+            cd "$temp_dir" || exit
+            zip -r -q "${base_name}.cbz" ./*
+        )
+        mv "${temp_dir}/${base_name}.cbz" "$input_dir/"
+
+        if [[ $? -ne 0 ]]; then
+            echo "Fehler beim Erstellen der CBZ für $cbr_file. Überspringe Datei."
+            rm -r "$temp_dir"
+            continue
+        fi
+
+        # Aufräumen
+        rm -r "$temp_dir"
+        rm "$cbr_file"
+        echo "Erfolgreich umgewandelt: $cbr_file -> ${base_name}.cbz"
+    done
+
+elif [[ "$mode" == "cbr" ]]; then
+    for cbz_file in "$input_dir"/*.cbz; do
+        if [[ ! -f "$cbz_file" ]]; then
+            echo "Keine CBZ-Dateien im Verzeichnis $input_dir gefunden."
+            exit 0
+        fi
+
+        base_name="${cbz_file%.cbz}"
+        temp_dir="${base_name}_temp"
+
+        echo "Verarbeite: $cbz_file"
+
+        # Entpacken
+        mkdir -p "$temp_dir"
+        unzip -q "$cbz_file" -d "$temp_dir/"
+        if [[ $? -ne 0 ]]; then
+            echo "Fehler beim Entpacken von $cbz_file. Überspringe Datei."
+            rm -r "$temp_dir"
+            continue
+        fi
+
+        # RAR erstellen
+        rar a -inul "${base_name}.cbr" "$temp_dir"/*
+        mv "${base_name}.cbr" "$input_dir/"
+
+        if [[ $? -ne 0 ]]; then
+            echo "Fehler beim Erstellen der CBR für $cbz_file. Überspringe Datei."
+            rm -r "$temp_dir"
+            continue
+        fi
+
+        # Aufräumen
+        rm -r "$temp_dir"
+        rm "$cbz_file"
+        echo "Erfolgreich umgewandelt: $cbz_file -> ${base_name}.cbr"
+    done
+
+else
+    echo "Unbekannter Modus: $mode"
+    echo "Bitte 'cbz' oder 'cbr' angeben."
+    exit 1
+fi
+
+echo "Alle Dateien im Verzeichnis $input_dir wurden verarbeitet."