random-file

#!/usr/bin/env bash
#########################################################################
# Random File Picker                                                    #
#                                                                       #
#   Randomly picks a file or directory in the given directory or $PWD   #
#   and displays it.                                                    #
#                                                                       #
#   I use this to let Fate decide which movie I'm going to watch!       #
#                                                                       #
# Part of HopeSeekr's BashScripts Collection                            #
# https://github.com/hopeseekr/BashScripts/                             #
#                                                                       #
# Copyright © 2020 Theodore R. Smith <theodore@phpexperts.pro>          #
# GPG Fingerprint: 4BF8 2613 1C34 87AC D28F  2AD8 EB24 A91D D612 5690   #
#                                                                       #
# License: Creative Commons Attribution v4.0 International              #
#########################################################################

dir=${1-$PWD}

# @see https://stackoverflow.com/a/18617295/430062
files=($dir/*)
printf "%s\n" "${files[RANDOM % ${#files[@]}]}"