X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/b03c9c0cb585665d2a6c67feabd38040cfa7069a..282cc59d9c67c0882fd3ab9e8e2476b341a862dd:/unitproc/bktemp-timeUntilNextHour?ds=inline diff --git a/unitproc/bktemp-timeUntilNextHour b/unitproc/bktemp-timeUntilNextHour index 9cb6360..6b56424 100644 --- a/unitproc/bktemp-timeUntilNextHour +++ b/unitproc/bktemp-timeUntilNextHour @@ -1,6 +1,5 @@ #!/bin/bash # Desc: Template to report seconds until beginning of next hour -# Author: Steven Baltaktei Sandoval; License: GPLv3+ #==BEGIN Define script parameters== #===BEGIN Declare local script functions=== @@ -9,35 +8,37 @@ die() { yell "$*"; exit 111; } try() { "$@" || die "cannot $*"; } timeUntilNextHour(){ # Desc: Report seconds until next hour + # Version 1.0.1 # Output: stdout: integer seconds until next hour # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0 # Usage: timeUntilNextHour # Usage: if ! myTTL="$(timeUntilNextHour)"; then yell "ERROR in if statement"; exit 1; fi - local returnState TIME_CURRENT TIME_NEXT_HOUR SECONDS_UNTIL_NEXT_HOUR - TIME_CURRENT="$(date --iso-8601=seconds)"; # Produce `date`-parsable current timestamp with resolution of 1 second. - TIME_NEXT_HOUR="$(date -d "$TIME_CURRENT next hour" --iso-8601=hours)"; # Produce `date`-parsable current time stamp with resolution of 1 second. - SECONDS_UNTIL_NEXT_HOUR="$(( $(date +%s -d "$TIME_NEXT_HOUR") - $(date +%s -d "$TIME_CURRENT") ))"; # Calculate seconds until closest future midnight (res. 1 second). - if [[ "$SECONDS_UNTIL_NEXT_HOUR" -gt 0 ]]; then + + local returnState timeCurrent timeNextHour secondsUntilNextHour + timeCurrent="$(date --iso-8601=seconds)"; # Produce `date`-parsable current timestamp with resolution of 1 second. + timeNextHour="$(date -d "$timeCurrent next hour" --iso-8601=hours)"; # Produce `date`-parsable current time stamp with resolution of 1 second. + secondsUntilNextHour="$(( $(date +%s -d "$timeNextHour") - $(date +%s -d "$timeCurrent") ))"; # Calculate seconds until next hour (res. 1 second). + if [[ "$secondsUntilNextHour" -gt 0 ]]; then returnState="true"; - elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -eq 0 ]]; then - returnState="WARNING_ZERO"; + elif [[ "$secondsUntilNextHour" -eq 0 ]]; then + returnState="warning_zero"; yell "WARNING:Reported time until next hour exactly zero."; - elif [[ "$SECONDS_UNTIL_NEXT_HOUR" -lt 0 ]]; then - returnState="WARNING_NEGATIVE"; + elif [[ "$secondsUntilNextHour" -lt 0 ]]; then + returnState="warning_negative"; yell "WARNING:Reported time until next hour is negative."; - fi + fi; - try echo "$SECONDS_UNTIL_NEXT_HOUR"; # Report + try echo "$secondsUntilNextHour"; # Report - #===Determine function return code=== + # Determine function return code if [[ "$returnState" = "true" ]]; then return 0; - elif [[ "$returnState" = "WARNING_ZERO" ]]; then + elif [[ "$returnState" = "warning_zero" ]]; then return 1; - elif [[ "$returnState" = "WARNING_NEGATIVE" ]]; then + elif [[ "$returnState" = "warning_negative" ]]; then return 2; - fi -} # Report seconds until next midnight + fi; +} # Report seconds until next hour #===END Declare local script functions=== #==END Define script parameters== @@ -47,3 +48,6 @@ try echo "Time until next hour (seconds):$(timeUntilNextHour)" # simple report if ! myTTL="$(timeUntilNextHour)"; then yell "ERROR in if statement for myTTL:$myTTL"; exit 1; fi # Use of exit code to exit early if time <= 0. #==END sample code== + +# Author: Steven Baltaktei Sandoval +# License: GPLv3+