From dc26126e47d4c2a9cd367a3998b819280ba26794 Mon Sep 17 00:00:00 2001
From: Sam Nystrom <sam@samnystrom.dev>
Date: Sun, 4 Feb 2024 11:13:20 -0500
Subject: bin/shuffle: shellify

---
 bin/shuffle | 99 +++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 54 insertions(+), 45 deletions(-)

(limited to 'bin/shuffle')

diff --git a/bin/shuffle b/bin/shuffle
index d676963..67c4de9 100755
--- a/bin/shuffle
+++ b/bin/shuffle
@@ -1,45 +1,54 @@
-#!/usr/bin/env python3
-
-import argparse
-import random
-import os
-import subprocess
-
-def main():
-    parser = argparse.ArgumentParser(
-        prog='shuffle',
-        description='play audio files in a directory in random order')
-    parser.add_argument(
-        'path',
-        default='.',
-        nargs='?',
-        help=
-        'play files in <path>, or the current directory if <path> is not passed')
-    parser.add_argument('--volume',
-                        default=100.0,
-                        type=float,
-                        help='volume for mpv (should be in 0-100 range)')
-    args = parser.parse_args()
-
-    # Keep track of the last few files we played and avoid playing them again
-    prev = []
-
-    while True:
-        files = [
-            os.path.join(root, file) for root, _, files in os.walk(args.path)
-            for file in files
-        ]
-        for f in prev:
-            files.remove(f)
-        file = random.choice(files)
-        prev.append(file)
-        del prev[:len(prev) - 2]
-
-        print('Playing', file)
-        subprocess.run(['mpv', f'--volume={args.volume}', file])
-
-if __name__ == "__main__":
-    try:
-        main()
-    except KeyboardInterrupt:
-        pass
+#!/bin/sh
+
+printhelp() {
+	cat <<EOF
+Usage: ${0##*/} [-v VOL] [DIR]
+
+Play audio files in DIR (or .) in random order
+
+	-h	Print this help
+	-v VOL	Play with volume VOL (default 100)
+EOF
+	exit 0
+}
+
+printusage() {
+	printf 'Usage: %s [-v volume] [path]\n' "${0##*/}"
+	exit 1
+}
+
+volume=100
+while getopts hv: opt; do
+	case "$opt" in
+	h) printhelp ;;
+	v)
+		if printf %d "$OPTARG" 2>&1 >/dev/null; then
+			volume="$OPTARG"
+		else
+			printf "%s: invalid number '%s'\n" "${0##*/}" "$OPTARG"
+			exit 1
+		fi
+		;;
+	?) printusage ;;
+	esac
+done
+
+shift $((OPTIND-1))
+
+if [ $# -gt 1 ]; then
+	printusage
+elif [ $# -eq 1 ]; then
+	dir="$1"
+else
+	dir="$(. "${XDG_CONFIG_HOME:-"$HOME"/.config}/user-dirs.dirs" && printf '%s' "$XDG_MUSIC_DIR")"
+fi
+
+prev1=
+prev2=
+while true; do
+	file="$(find -L "$dir" -type f \( -name '*.m4a' -o -name '*.opus' \) ! -path "$prev1" ! -path "$prev2" -exec shuf -n1 -e '{}' +)"
+	prev1="$prev2"
+	prev2="$file"
+	printf 'Playing %s\n' "${file#$dir/}"
+	mpv --volume="$volume" "$file"
+done
-- 
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