X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/edcb51b3e600bc2d6c287091cca5ea4baeb98194..31322bd99a1db51281a33446f58cd9e15b29195d:/unitproc/bktemp-timeUntilNextDay?ds=inline diff --git a/unitproc/bktemp-timeUntilNextDay b/unitproc/bktemp-timeUntilNextDay index da2e0e7..ae7562a 100644 --- a/unitproc/bktemp-timeUntilNextDay +++ b/unitproc/bktemp-timeUntilNextDay @@ -1,6 +1,5 @@ #!/bin/bash # Desc: Template to report seconds until beginning of next day -# Author: Steven Baltaktei Sandoval; License: GPLv3+ #==BEGIN Define script parameters== #===BEGIN Declare local script functions=== @@ -9,35 +8,38 @@ die() { yell "$*"; exit 111; } try() { "$@" || die "cannot $*"; } timeUntilNextDay(){ # Desc: Report seconds until next day. + # Version: 1.0.3 # Output: stdout: integer seconds until next day # Output: exit code 0 if stdout > 0; 1 if stdout = 0; 2 if stdout < 0 # Usage: timeUntilNextDay # Usage: if ! myTTL="$(timeUntilNextDay)"; then yell "ERROR in if statement"; exit 1; fi - local returnState - local TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second. - local TIME_NEXT_DAY="$(date -d "$TIME_CURRENT next day" --iso-8601=date)"; # Produce timestamp of beginning of tomorrow with resolution of 1 second. - local SECONDS_UNTIL_NEXT_DAY="$(( $(date +%s -d "$TIME_NEXT_DAY") - $(date +%s -d "$TIME_CURRENT") ))" ; # Calculate seconds until closest future midnight (res. 1 second). - if [[ "$SECONDS_UNTIL_NEXT_DAY" -gt 0 ]]; then + # Depends: date 8, echo 8, yell, try + + local returnState timeCurrent timeNextDay secondsUntilNextDay + timeCurrent="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second. + timeNextDay="$(date -d "$timeCurrent next day" --iso-8601=date)"; # Produce timestamp of beginning of tomorrow with resolution of 1 second. + secondsUntilNextDay="$(( $(date +%s -d "$timeNextDay") - $(date +%s -d "$timeCurrent") ))" ; # Calculate seconds until closest future midnight (res. 1 second). + if [[ "$secondsUntilNextDay" -gt 0 ]]; then returnState="true"; - elif [[ "$SECONDS_UNTIL_NEXT_DAY" -eq 0 ]]; then - returnState="WARNING_ZERO"; + elif [[ "$secondsUntilNextDay" -eq 0 ]]; then + returnState="warning_zero"; yell "WARNING:Reported time until next day exactly zero."; - elif [[ "$SECONDS_UNTIL_NEXT_DAY" -lt 0 ]]; then - returnState="WARNING_NEGATIVE"; + elif [[ "$secondsUntilNextDay" -lt 0 ]]; then + returnState="warning_negative"; yell "WARNING:Reported time until next day is negative."; fi - try echo "$SECONDS_UNTIL_NEXT_DAY"; # Report + try echo "$secondsUntilNextDay"; # Report - #===Determine function return code=== + # Determine function return code if [[ "$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 +} # Report seconds until next day #===END Declare local script functions=== #==END Define script parameters== @@ -47,3 +49,6 @@ try echo "Time until next day (seconds):$(timeUntilNextDay)" # simple report if ! myTTL="$(timeUntilNextDay)"; 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+