add cue converter from m3u

m3u-cue-converter.sh

@@ -0,0 +1,160 @@
+#!/bin/bash
+
+# Simple M3U to CUE Converter Script
+# Converts M3U playlist files to basic CUE format
+
+# Function to display usage
+show_usage() {
+    echo "Usage: $0 [OPTIONS] <input.m3u> [output.cue]"
+    echo ""
+    echo "Options:"
+    echo "  -t, --title TITLE    Set playlist title (default: derived from filename)"
+    echo "  -r, --relative       Use relative paths (strip directory paths)"
+    echo "  -h, --help           Show this help message"
+    echo ""
+    echo "Examples:"
+    echo "  $0 Mix.m3u"
+    echo "  $0 Mix.m3u Mix.cue"
+    echo "  $0 --title \"My Playlist\" --relative Mix.m3u"
+}
+
+# Default options
+PLAYLIST_TITLE=""
+USE_RELATIVE_PATHS=false
+INPUT_FILE=""
+OUTPUT_FILE=""
+
+# Parse command line arguments
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        -t|--title)
+            PLAYLIST_TITLE="$2"
+            shift 2
+            ;;
+        -r|--relative)
+            USE_RELATIVE_PATHS=true
+            shift
+            ;;
+        -h|--help)
+            show_usage
+            exit 0
+            ;;
+        -*)
+            echo "Unknown option: $1"
+            show_usage
+            exit 1
+            ;;
+        *)
+            if [ -z "$INPUT_FILE" ]; then
+                INPUT_FILE="$1"
+            elif [ -z "$OUTPUT_FILE" ]; then
+                OUTPUT_FILE="$1"
+            else
+                echo "Too many arguments"
+                show_usage
+                exit 1
+            fi
+            shift
+            ;;
+    esac
+done
+
+# Check if input file is provided
+if [ -z "$INPUT_FILE" ]; then
+    echo "Error: Input M3U file is required"
+    show_usage
+    exit 1
+fi
+
+# Check if input file exists
+if [ ! -f "$INPUT_FILE" ]; then
+    echo "Error: Input file '$INPUT_FILE' not found"
+    exit 1
+fi
+
+# Set default output file if not provided
+if [ -z "$OUTPUT_FILE" ]; then
+    OUTPUT_FILE="${INPUT_FILE%.*}.cue"
+fi
+
+# Set default playlist title if not provided
+if [ -z "$PLAYLIST_TITLE" ]; then
+    PLAYLIST_TITLE=$(basename "$INPUT_FILE" .m3u)
+fi
+
+# Function to extract filename from path
+get_filename() {
+    local filepath="$1"
+    if [ "$USE_RELATIVE_PATHS" = true ]; then
+        basename "$filepath"
+    else
+        echo "$filepath"
+    fi
+}
+
+# Function to determine file format from extension
+get_file_format() {
+    local filepath="$1"
+    local ext="${filepath##*.}"
+    ext=$(echo "$ext" | tr '[:upper:]' '[:lower:]')
+    
+    case "$ext" in
+        "flac") echo "FLAC" ;;
+        "wav") echo "WAVE" ;;
+        "mp3") echo "MP3" ;;
+        "ogg") echo "OGG" ;;
+        *) echo "BINARY" ;;
+    esac
+}
+
+echo "Converting M3U to CUE format..."
+echo "Input:  $INPUT_FILE"
+echo "Output: $OUTPUT_FILE"
+echo ""
+
+# Start writing CUE file
+{
+    echo "TITLE \"$PLAYLIST_TITLE\""
+} > "$OUTPUT_FILE"
+
+# Process M3U file
+track_num=1
+processed_files=0
+
+while IFS= read -r line || [ -n "$line" ]; do
+    # Skip empty lines and all comment lines
+    if [ -z "$line" ] || [[ "$line" == "#"* ]]; then
+        continue
+    fi
+    
+    # Process file path
+    filepath="$line"
+    filename=$(get_filename "$filepath")
+    file_format=$(get_file_format "$filepath")
+    
+    # Add track to CUE file
+    {
+        echo "FILE \"$filename\" $file_format"
+        printf "  TRACK %02d AUDIO\n" $track_num
+        echo "    INDEX 01 00:00:00"
+    } >> "$OUTPUT_FILE"
+    
+    echo "  Track $track_num: $filename"
+    
+    ((track_num++))
+    ((processed_files++))
+done < "$INPUT_FILE"
+
+echo ""
+echo "Conversion completed successfully!"
+echo "Processed $processed_files tracks"
+echo "CUE file saved as: $OUTPUT_FILE"
+
+# Validate output
+if [ -f "$OUTPUT_FILE" ] && [ -s "$OUTPUT_FILE" ]; then
+    echo "Output file validation: OK"
+    exit 0
+else
+    echo "Error: Output file was not created properly"
+    exit 1
+fi