casaos
125 lines
3.3 KiB
Bash
Executable File
125 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Extract all AKAI samples as WAV from all volumes in an AKAI disk image.
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# Usage: ./extract_wavs.sh <iso-file> [output-dir]
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# Uses a single akaiutil session to avoid repeated disk rescans.
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set -euo pipefail
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if [ -z "${AKAIUTIL:-}" ]; then
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if command -v akaiutil &>/dev/null; then
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AKAIUTIL="akaiutil"
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elif [ -x "/DATA/Downloads/akai/akaiutil-4.6.7/akaiutil" ]; then
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AKAIUTIL="/DATA/Downloads/akai/akaiutil-4.6.7/akaiutil"
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else
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echo "error: akaiutil not found — set AKAIUTIL env var" >&2
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exit 1
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fi
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fi
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ISO="${1:?Usage: $0 <iso-file> [output-dir]}"
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OUTPUT="${2:-wavs}"
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# Derive ISO basename without extension, sanitized for filesystem use
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isobase=$(basename "$ISO")
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isobase="${isobase%.*}"
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isobase=$(echo "$isobase" | sed 's/ /_/g' | sed 's/[^A-Za-z0-9_.-]/_/g' | sed 's/__*/_/g' | sed 's/^[_.]//; s/[_.]$//')
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OUTPUT="$OUTPUT/$isobase"
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TMPFILE=$(mktemp /tmp/akai_cmds.XXXXXX)
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trap 'rm -f "$TMPFILE"' EXIT
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mkdir -p "$OUTPUT"
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# Phase 1: enumerate partitions from df output
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echo "Enumerating partitions and volumes..."
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DF_OUTPUT=$("$AKAIUTIL" -r "$ISO" 2>/dev/null <<< $'df\nq')
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# Parse partition letters from the partition table in df output
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PARTITIONS=()
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while IFS= read -r line; do
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if [[ "$line" =~ ^[[:space:]]+([A-Z])[[:space:]]+ ]]; then
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PARTITIONS+=("${BASH_REMATCH[1]}")
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fi
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done <<< "$DF_OUTPUT"
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if [[ ${#PARTITIONS[@]} -eq 0 ]]; then
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echo "No partitions found in ISO. Trying single-partition layout..."
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PARTITIONS=("A")
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fi
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echo "Found partitions: ${PARTITIONS[*]}"
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# Scan each partition for volumes
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VOLUME_LIST=$(
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{
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for p in "${PARTITIONS[@]}"; do
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echo "cd /disk0/$p"
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echo "dir"
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done
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echo "q"
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} | "$AKAIUTIL" -r "$ISO" 2>/dev/null
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)
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# Parse partition-letter:volume-name pairs
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VOLUMES=()
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CURRENT_PART=""
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while IFS= read -r line; do
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for p in "${PARTITIONS[@]}"; do
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if [[ "$line" == *"/disk0/$p >"* ]]; then
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CURRENT_PART="$p"
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fi
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done
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if [[ "$line" =~ ^[[:space:]]+[0-9]+[[:space:]]+(.+)[[:space:]]+-[[:space:]]+ ]]; then
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name="${BASH_REMATCH[1]}"
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name="${name%% -*}"
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name="$(echo "$name" | sed 's/ *$//')"
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if [[ -n "$CURRENT_PART" && -n "$name" ]]; then
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VOLUMES+=("$CURRENT_PART|$name")
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fi
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fi
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done <<< "$VOLUME_LIST"
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echo "Found ${#VOLUMES[@]} volumes"
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# Phase 2: build command file and create output dirs
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> "$TMPFILE"
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for entry in "${VOLUMES[@]}"; do
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IFS='|' read -r part vol_name <<< "$entry"
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safe_name=$(echo "$vol_name" | sed 's/ /_/g' | sed 's/[^A-Za-z0-9_.-]/_/g' | sed 's/__*/_/g' | sed 's/^[_.]//; s/[_.]$//')
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[[ -z "$safe_name" ]] && safe_name="volume"
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vol_dir="$OUTPUT/$safe_name"
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mkdir -p "$vol_dir"
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nav_name="${vol_name// /_}"
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echo "lcd $vol_dir" >> "$TMPFILE"
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echo "cd /disk0/$part/$nav_name" >> "$TMPFILE"
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echo "sample2wavall" >> "$TMPFILE"
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done
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echo "lcd /" >> "$TMPFILE"
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echo "q" >> "$TMPFILE"
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# Phase 3: run extraction
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echo "Starting extraction..."
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START=$SECONDS
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"$AKAIUTIL" -r "$ISO" < "$TMPFILE" 2>/dev/null > /tmp/akai_output.txt
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DURATION=$((SECONDS - START))
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total=0
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while IFS= read -r line; do
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if [[ "$line" =~ exported[[:space:]]+([0-9]+)[[:space:]]+file ]]; then
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count="${BASH_REMATCH[1]}"
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total=$((total + count))
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echo " -> $count WAVs"
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fi
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done < /tmp/akai_output.txt
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echo ""
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echo "--- Done in ${DURATION}s ---"
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echo "Total WAV files: $total"
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echo ""
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echo "WAVs are in: $OUTPUT/"
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