port autoextract to shell

neotools/autoextract.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+FILE="$1"
+NAME="$(basename "$FILE")"
+WAVDIR="${NAME%%.*}"
+
+if [ "${NAME##*.}" = "vgz" ]; then
+	cp "$FILE" "temp.vgm.gz"
+	gzip -d "temp.vgm.gz"
+	FILE="temp.vgm"
+fi
+
+./neoadpcmextract "$FILE"
+mkdir -p "$WAVDIR"
+for I in smpa_*.pcm; do ./adpcm "$I" "$WAVDIR/${I%%.*}.wav"; done
+for I in smpb_*.pcm; do ./adpcmb -d "$I" "$WAVDIR/${I%%.*}.wav"; done
+find . -type f -name "*.pcm" -exec rm -f {} \;
+
+[ "$FILE" = "temp.vgm" ] && rm -f "temp.vgm"