X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/849106f7246e47bc077d7f3b8228cec717a8e63d..26f0533782d8c57fb95b8df4f55057edcbf17703:/unitproc/bktemp-timeEpochNS?ds=inline diff --git a/unitproc/bktemp-timeEpochNS b/unitproc/bktemp-timeEpochNS deleted file mode 100644 index c490ddf..0000000 --- a/unitproc/bktemp-timeEpochNS +++ /dev/null @@ -1,53 +0,0 @@ -#!/bin/bash -# Desc: Get timestamp in nanoseconds - -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 -timeEpochNS() { - # Desc: Get epoch nanoseconds - # Usage: timeEpochNS - # Version 0.2.3 - # Input: arg1: 'date'-parsable timestamp string (optional) - # Output: Nanoseconds since 1970-01-01 - # Depends: date 8, cut 8, yell() - # Ref/Attrib: Force base 10 Bash arith with '10#'. https://stackoverflow.com/a/24777667 - local argTime timeCurrent timeInput timeEpochFloat timeEpochInt - local timeEpochNsFrac timeEpochNs - - argTime="$1"; - - # Get Current Time - timeCurrent="$(date --iso-8601=ns)"; # Produce `date`-parsable current timestamp with resolution of 1 nanosecond. - - # Decide to parse current or supplied time - ## 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 nanoseconds since 1970-01-01 - timeEpochFloat="$(date --date="$timeInput" +%s.%N)"; # Save ssss.NNNNNNNNN - timeEpochInt="$(echo "$timeEpochFloat" | cut -d. -f1)"; # Get ssss - timeEpochNsFrac="$(echo "$timeEpochFloat" | cut -d. -f2)"; # Get NNNNNNNNN - timeEpochNs="$(( (10#"$timeEpochInt" * 10**9) + (10#"$timeEpochNsFrac") ))"; - echo "$timeEpochNs"; -} # Nanoseconds since 1970-01-01 - -#==BEGIN sample code== -echo "It's been $(timeEpochNS) nanoseconds since 1970-01-01."; -echo "It's been $(timeEpochNS "10 years ago") nanoseconds since 10 years ago."; -echo "It's been $(timeEpochNS "2003-02-01T08:59:15-05:00") nanoseconds since contact lost with STS-107."; -#==END sample code== - -# Author: Steven Baltakatei Sandoval -# License: GPLv3+