#! /bin/sh

set -e

path=$(
    find \
        $@ \
        -type f \
    | awk '
        {
            paths[i++] = $0
        }

        END {
            srand()
            j = int(i * rand())
            print paths[j]
        }'
)
printf "$path\n" >&2
feh --bg-scale "$path"