add music shuffle script

1 files changed, 25 insertions, 0 deletions

diff --git a/bin/shuffle b/bin/shuffle
new file mode 100755
index 0000000..ce27bb7
--- /dev/null
+++ b/bin/shuffle
@@ -0,0 +1,25 @@
+#!/bin/sh -eu
+
+files=$(find "${1:-.}" -type f)
+n=$(echo "$files" | wc -l)
+
+prev=-1
+index=$((RANDOM % n))
+
+while :; do
+	while [ $index -eq $prev ]; do
+		index=$((RANDOM % n))
+	done
+	prev=$index
+	echo "$files" | (
+		i=0
+		while read -r file; do
+			if [ $i -eq $index ]; then
+				echo "Playing $file"
+				mpv "$file" || :
+				break
+			fi
+			i=$((i + 1))
+		done
+	)
+done