X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/7ad273d8b48d1ae0e8d8e3eb5da0637da2bc9d6f..a7d28ffd3bc4de2d16b5d2938fc2a3aaa5f592ad:/unitproc/bktemp-timeDuration?ds=inline diff --git a/unitproc/bktemp-timeDuration b/unitproc/bktemp-timeDuration index 5aac0d5..1db408b 100644 --- a/unitproc/bktemp-timeDuration +++ b/unitproc/bktemp-timeDuration @@ -6,94 +6,87 @@ yell() { echo "$0: $*" >&2; } # Yell, Die, Try Three-Fingered Claw technique; # die() { yell "$*"; exit 111; } try() { "$@" || die "cannot $*"; } timeDuration(){ - # Desc: Output approximate time duration string before given time (default:current date) + # Desc: Given seconds, output ISO-8601 duration string # Ref/Attrib: ISO-8601:2004(E), §4.4.4.2 Representations of time intervals by duration and context information # Note: "1 month" ("P1M") is assumed to be "30 days" (see ISO-8601:2004(E), §2.2.1.2) - # Usage: timeDuration [arg1] ([arg2]) + # Usage: timeDuration [1:seconds] ([2:precision]) + # Version: 1.0.5 # Input: arg1: seconds as base 10 integer >= 0 (ex: 3601) # arg2: precision level (optional; default=2) # Output: stdout: ISO-8601 duration string (ex: "P1H1S", "P2Y10M15DT10H30M20S") + # exit code 0: success + # exit code 1: error_input + # exit code 2: error_unknown # Example: 'timeDuration 111111 3' yields 'P1DT6H51M' - # Depends: date 8 (gnucoreutils) - local returnState fullHours fullMinutes fullSeconds; - ARG1="$1"; - ARG2="$2"; + # Depends: date 8, bash 5, yell, + local argSeconds argPrecision precision returnState remainder + local fullYears fullMonths fullDays fullHours fullMinutes fullSeconds + local hasYears hasMonths hasDays hasHours hasMinutes hasSeconds + local witherPrecision output + local displayYears displayMonths displayDays displayHours displayMinutes displaySeconds + + argSeconds="$1"; # read arg1 (seconds) + argPrecision="$2"; # read arg2 (precision) precision=2; # set default precision - returnState="true"; # set default return state # Check that between one and two arguments is supplied if ! { [[ $# -ge 1 ]] && [[ $# -le 2 ]]; }; then yell "ERROR:Invalid number of arguments:$# . Exiting."; - returnState="ERROR_INPUT"; fi + returnState="error_input"; fi - # Check that arg1 provided + # Check that argSeconds provided if [[ $# -ge 1 ]]; then - # Check that arg1 is a positive integer - if [[ "$ARG1" =~ ^[[:digit:]]+$ ]]; then - arg1Valid="true"; + ## Check that argSeconds is a positive integer + if [[ "$argSeconds" =~ ^[[:digit:]]+$ ]]; then + : else - yell "ERROR:ARG1 not a digit."; - returnState="ERROR_INPUT"; - arg1Valid="false"; + yell "ERROR:argSeconds not a digit."; + returnState="error_input"; fi else yell "ERROR:No argument provided. Exiting."; exit 1; fi - # Consider whether arg2 was provided + # Consider whether argPrecision was provided if [[ $# -eq 2 ]]; then - # Check that the second arg is a positive integer - if [[ "$ARG2" =~ ^[[:digit:]]+$ ]] && [[ "ARG2" -gt 0 ]]; then - arg2Valid="true"; - precision="$ARG2"; + # Check that argPrecision is a positive integer + if [[ "$argPrecision" =~ ^[[:digit:]]+$ ]] && [[ "$argPrecision" -gt 0 ]]; then + precision="$argPrecision"; else - yell "ERROR:ARG2 not a positive integer. (is $ARG2 ). Leaving early."; - returnState="ERROR_INPUT"; - arg2Valid="false"; + yell "ERROR:argPrecision not a positive integer. (is $argPrecision ). Leaving early."; + returnState="error_input"; fi; else - arg2Valid="false"; + : fi; - remainder="$ARG1" ; # seconds + remainder="$argSeconds" ; # seconds ## Calculate full years Y, update remainder fullYears=$(( remainder / (365*24*60*60) )); remainder=$(( remainder - (fullYears*365*24*60*60) )); - #yell "DEBUG:post-Y remainder:$remainder" - #yell "DEBUG:fullYears:$fullYears" ## Calculate full months M, update remainder fullMonths=$(( remainder / (30*24*60*60) )); remainder=$(( remainder - (fullMonths*30*24*60*60) )); - #yell "DEBUG:post-m remainder:$remainder" - #yell "DEBUG:fullMonths:$fullMonths" ## Calculate full days D, update remainder fullDays=$(( remainder / (24*60*60) )); remainder=$(( remainder - (fullDays*24*60*60) )); - #yell "DEBUG:post-d remainder:$remainder" - #yell "DEBUG:fullMonths:$fullDays" ## Calculate full hours H, update remainder fullHours=$(( remainder / (60*60) )); remainder=$(( remainder - (fullHours*60*60) )); - #yell "DEBUG:post-H remainder:$remainder" - #yell "DEBUG:fullHours:$fullHours" ## Calculate full minutes M, update remainder fullMinutes=$(( remainder / (60) )); remainder=$(( remainder - (fullMinutes*60) )); - #yell "DEBUG:post-M remainder:$remainder" - #yell "DEBUG:fullMinutes:$fullMinutes" ## Calculate full seconds S, update remainder fullSeconds=$(( remainder / (1) )); remainder=$(( remainder - (remainder*1) )); - #yell "DEBUG:post-S remainder:$remainder" - #yell "DEBUG:fullSeconds:$fullSeconds" ## Check which fields filled if [[ $fullYears -gt 0 ]]; then hasYears="true"; else hasYears="false"; fi if [[ $fullMonths -gt 0 ]]; then hasMonths="true"; else hasMonths="false"; fi if [[ $fullDays -gt 0 ]]; then hasDays="true"; else hasDays="false"; fi if [[ $fullHours -gt 0 ]]; then hasHours="true"; else hasHours="false"; fi if [[ $fullMinutes -gt 0 ]]; then hasMinutes="true"; else hasMinutes="false"; fi - if [[ $fullSeconds -gt 0 ]]; then hasSeconds="true"; else hasSeconds="false"; fi + if [[ $fullSeconds -ge 0 ]]; then hasSeconds="true"; else hasSeconds="false"; fi ## Determine which fields to display (see ISO-8601:2004 §4.4.3.2) witherPrecision="false" @@ -168,56 +161,39 @@ timeDuration(){ fi; if $witherPrecision; then ((precision--)); fi; - - ## Determine whether or not the "T" separator is needed to separate date and time elements - # if ( $displayYears || $displayMonths || $displayDays ) && ( $displayHours || $displayMinutes || $displaySeconds); then if ( $displayHours || $displayMinutes || $displaySeconds); then displayDateTime="true"; else displayDateTime="false"; fi ## Construct duration output string - OUTPUT="P" + output="P" if $displayYears; then - OUTPUT=$OUTPUT$fullYears"Y"; fi + output=$output$fullYears"Y"; fi if $displayMonths; then - OUTPUT=$OUTPUT$fullMonths"M"; fi + output=$output$fullMonths"M"; fi if $displayDays; then - OUTPUT=$OUTPUT$fullDays"D"; fi + output=$output$fullDays"D"; fi if $displayDateTime; then - OUTPUT=$OUTPUT"T"; fi + output=$output"T"; fi if $displayHours; then - OUTPUT=$OUTPUT$fullHours"H"; fi + output=$output$fullHours"H"; fi if $displayMinutes; then - OUTPUT=$OUTPUT$fullMinutes"M"; fi + output=$output$fullMinutes"M"; fi if $displaySeconds; then - OUTPUT=$OUTPUT$fullSeconds"S"; fi + output=$output$fullSeconds"S"; fi ## Output duration string to stdout - if [[ "$returnState" = "true" ]]; then echo "$OUTPUT"; fi - - - # if [[ "$OPTION_DATEPARSE" = "true" ]]; then - # echo "asdf"; - # # Get current time for parsing year/month/day idiosyncrasies - # DATE_NOW="$(TZ=":UTC" date --iso-8601 | tr -d '[:punct:]')"; # Produces YYYYMMDD - # #TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second. - # # Get date : Given YYYY-MM-DDTHH:MM:SS+ZZ, outputs YYYYMMDD (also supports YYYYYY) - # DATE_AGO="$(TZ="UTC" date -d '$ARG1 seconds ago' --iso-8601=seconds | tr -d '[:punct:]' | cut -dT -f1)"; - # # Get day - # DAY_AGO=${DATE_AGO: -2} - # # Get month - # MONTH_AGO=${DATE_AGO: -4: -2} - # # Get year - # YEAR_AGO=${YEAR: 0: -4} - - # fi + echo "$output" && returnState="true"; #===Determine function return code=== if [ "$returnState" = "true" ]; then return 0; - else - echo "$returnState" 1>&2; + elif [ "$returnState" = "error_input" ]; then + yell "ERROR:input"; return 1; + else + yell "ERROR:Unknown"; + return 2; fi } # Get duration (ex: PT10M4S ) @@ -230,7 +206,8 @@ echo "Precision 3 duration:$(timeDuration "$(date +%s)" 3)" echo "Precision 2 duration:$(timeDuration "$(date +%s)" 2)" echo "Precision 1 duration:$(timeDuration "$(date +%s)" 1)" echo "Precision 6 duration:$(timeDuration $((60+60*60+60*60*24+60*60*24*30+60*60*24*365 - (60+60*60+60*60*24+60*60*24*30) )) 6)" -timeDuration "$@" +echo "Zero seconds:$(timeDuration "0")"; +echo "Parsing argument provided to script:\"$*\""; timeDuration "$@" #==END sample code== # Author: Steven Baltakatei Sandoval