+++ /dev/null
-#!/bin/bash
-
-# Desc: Template to display date and time.
-
-yell() { echo "$0: $*" >&2; } #o Yell, Die, Try Three-Fingered Claw technique
-die() { yell "$*"; exit 111; } #o Ref/Attrib: https://stackoverflow.com/a/25515370
-try() { "$@" || die "cannot $*"; } #o
-dateTimeShort(){
- # Desc: Timestamp without separators (YYYYmmddTHHMMSS+zzzz)
- # Usage: dateTimeShort ([str date])
- # Version 1.1.1
- # Input: arg1: 'date'-parsable timestamp string (optional)
- # Output: stdout: timestamp (ISO-8601, no separators)
- # Depends: yell
- local argTime timeCurrent timeInput timeCurrentShort
-
- argTime="$1";
- # Get Current Time
- timeCurrent="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
- # Decide to parse current or supplied date
- ## Check if time argument empty
- if [[ -z "$argTime" ]]; then
- ## T: Time argument empty, use current time
- timeInput="$timeCurrent";
- else
- ## F: Time argument exists, validate time
- if date --date="$argTime" 1>/dev/null 2>&1; then
- ### T: Time argument is valid; use it
- timeInput="$argTime";
- else
- ### F: Time argument not valid; exit
- yell "ERROR:Invalid time argument supplied. Exiting."; exit 1;
- fi
- fi
- # Construct and deliver separator-les date string
- timeCurrentShort="$(date -d "$timeInput" +%Y%m%dT%H%M%S%z)";
- echo "$timeCurrentShort";
-} # Get YYYYmmddTHHMMSS±zzzz
-
-#==BEGIN sample code==
-echo "The current day and time is :$(dateTimeShort)";
-echo "Contact lost with STS-107 on:$(dateTimeShort "2003-02-01T08:59:15-05:00")";
-echo "Bitcoin started on :$(dateTimeShort "@1231006505")";
-testDate="2020-07-07T02:30:11,690097074+00:00";
-echo "This string was generated using 'date --iso-8601=ns':$testDate";
-echo "Using dateTimeShort, it appears as:$(dateTimeShort "$testDate")";
-#==END sample code==
-
-# Author: Steven Baltakatei Sandoval
-# License: GPLv3+