#!/usr/bin/env bash

function stdout() {
    # 2023-03-08 at 2.06.15 AM
    date +"%Y-%m-%d at %H.%M.%S %p"
}

function pipeout() {
    # tr '[:space:]' '\t' |
        gsed 's/\s*$//g'
}

if [ -t 1 ]; then
    stdout
else
    stdout | pipeout
fi