bin/rndf


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#!/bin/sh
# Choose a random file from a given directory. Ignores dot files.
dir=${1:-.}
set -- "$dir"/*
if ! [ -e "$1" ] ; then
    printf >&2 'rndf: No files found in %s\n' "$dir"
    exit 1
fi
argi=$(rndi 1 "$#") || exit
shift "$((argi-1))"
printf '%s\n' "$1"