X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/25f31c307d823524d1ba69aed4e51e07f232f083..7cfbf0133931d20c429ed349eb648a0b97cfdd09:/unitproc/bktemp-timeDuration diff --git a/unitproc/bktemp-timeDuration b/unitproc/bktemp-timeDuration index 090b485..1db408b 100644 --- a/unitproc/bktemp-timeDuration +++ b/unitproc/bktemp-timeDuration @@ -6,62 +6,62 @@ 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]) - # Version: 1.0.0 + # 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), yell, - local returnState ARG1 ARG2 arg1Valid arg2Valid remainder precision witherPrecision + # Depends: date 8, bash 5, yell, + local argSeconds argPrecision precision returnState remainder local fullYears fullMonths fullDays fullHours fullMinutes fullSeconds - local displayYears displayMonths displayDays displayHours displayMinutes displaySeconds local hasYears hasMonths hasDays hasHours hasMinutes hasSeconds + local witherPrecision output + local displayYears displayMonths displayDays displayHours displayMinutes displaySeconds - ARG1="$1"; - ARG2="$2"; + 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) )); @@ -86,7 +86,7 @@ timeDuration(){ 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" @@ -161,38 +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 ( $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 "$OUTPUT"; fi + echo "$output" && returnState="true"; #===Determine function return code=== if [ "$returnState" = "true" ]; then return 0; - else - echo "$returnState" 1>&2; + elif [ "$returnState" = "error_input" ]; then + yell "ERROR:input"; return 1; + else + yell "ERROR:Unknown"; + return 2; fi } # Get duration (ex: PT10M4S ) @@ -205,7 +206,8 @@ echo "Precision 3 duration:$(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