+} # Get YYYYmmddTHHMMSS±zzzz
+dateShort(){
+ # Desc: Date without separators (YYYYmmdd)
+ # Usage: dateShort
+ # Output: stdout: date (ISO-8601, no separators)
+ local TIME_CURRENT DATE_CURRENT_SHORT
+ TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
+ DATE_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%d)"; # Produce separator-less current date with resolution 1 day.
+ echo "$DATE_CURRENT_SHORT";
+} # Get YYYYmmdd
+timeDuration(){
+ # Desc: Output approximate time duration string before given time (default:current date)
+ # 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])
+ # 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")
+ # Example: 'timeDuration 111111 3' yields 'P1DT6H51M'
+ # Depends: date 8 (gnucoreutils)
+ local returnState fullHours fullMinutes fullSeconds;
+ ARG1="$1";
+ ARG2="$2";
+ 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
+
+ # Check that arg1 provided
+ if [[ $# -ge 1 ]]; then
+ # Check that arg1 is a positive integer
+ if [[ "$ARG1" =~ ^[[:digit:]]+$ ]]; then
+ arg1Valid="true";
+ else
+ yell "ERROR:ARG1 not a digit.";
+ returnState="ERROR_INPUT";
+ arg1Valid="false";
+ fi
+ else
+ yell "ERROR:No argument provided. Exiting.";
+ exit 1;
+ fi
+
+ # Consider whether arg2 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";
+ else
+ yell "ERROR:ARG2 not a positive integer. (is $ARG2 ). Leaving early.";
+ returnState="ERROR_INPUT";
+ arg2Valid="false";
+ fi;
+ else
+ arg2Valid="false";
+ fi;
+
+ remainder="$ARG1" ; # seconds
+ ## Calculate full years Y, update remainder
+ fullYears=$(( remainder / (365*24*60*60) ));
+ remainder=$(( remainder - (fullYears*365*24*60*60) ));
+ ## Calculate full months M, update remainder
+ fullMonths=$(( remainder / (30*24*60*60) ));
+ remainder=$(( remainder - (fullMonths*30*24*60*60) ));
+ ## Calculate full days D, update remainder
+ fullDays=$(( remainder / (24*60*60) ));
+ remainder=$(( remainder - (fullDays*24*60*60) ));
+ ## Calculate full hours H, update remainder
+ fullHours=$(( remainder / (60*60) ));
+ remainder=$(( remainder - (fullHours*60*60) ));
+ ## Calculate full minutes M, update remainder
+ fullMinutes=$(( remainder / (60) ));
+ remainder=$(( remainder - (fullMinutes*60) ));
+ ## Calculate full seconds S, update remainder
+ fullSeconds=$(( remainder / (1) ));
+ remainder=$(( remainder - (remainder*1) ));
+ ## 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
+
+ ## Determine which fields to display (see ISO-8601:2004 §4.4.3.2)
+ witherPrecision="false"
+
+ ### Years
+ if $hasYears && [[ $precision -gt 0 ]]; then
+ displayYears="true";
+ witherPrecision="true";
+ else
+ displayYears="false";
+ fi;
+ if $witherPrecision; then ((precision--)); fi;
+
+ ### Months
+ if $hasMonths && [[ $precision -gt 0 ]]; then
+ displayMonths="true";
+ witherPrecision="true";
+ else
+ displayMonths="false";
+ fi;
+ if $witherPrecision && [[ $precision -gt 0 ]]; then
+ displayMonths="true";
+ fi;
+ if $witherPrecision; then ((precision--)); fi;
+
+ ### Days
+ if $hasDays && [[ $precision -gt 0 ]]; then
+ displayDays="true";
+ witherPrecision="true";
+ else
+ displayDays="false";
+ fi;
+ if $witherPrecision && [[ $precision -gt 0 ]]; then
+ displayDays="true";
+ fi;
+ if $witherPrecision; then ((precision--)); fi;
+
+ ### Hours
+ if $hasHours && [[ $precision -gt 0 ]]; then
+ displayHours="true";
+ witherPrecision="true";
+ else
+ displayHours="false";
+ fi;
+ if $witherPrecision && [[ $precision -gt 0 ]]; then
+ displayHours="true";
+ fi;
+ if $witherPrecision; then ((precision--)); fi;
+
+ ### Minutes
+ if $hasMinutes && [[ $precision -gt 0 ]]; then
+ displayMinutes="true";
+ witherPrecision="true";
+ else
+ displayMinutes="false";
+ fi;
+ if $witherPrecision && [[ $precision -gt 0 ]]; then
+ displayMinutes="true";
+ fi;
+ if $witherPrecision; then ((precision--)); fi;
+
+ ### Seconds
+
+ if $hasSeconds && [[ $precision -gt 0 ]]; then
+ displaySeconds="true";
+ witherPrecision="true";
+ else
+ displaySeconds="false";
+ fi;
+ if $witherPrecision && [[ $precision -gt 0 ]]; then
+ displaySeconds="true";
+ 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"
+ if $displayYears; then
+ OUTPUT=$OUTPUT$fullYears"Y"; fi
+ if $displayMonths; then
+ OUTPUT=$OUTPUT$fullMonths"M"; fi
+ if $displayDays; then
+ OUTPUT=$OUTPUT$fullDays"D"; fi
+ if $displayDateTime; then
+ OUTPUT=$OUTPUT"T"; fi
+ if $displayHours; then
+ OUTPUT=$OUTPUT$fullHours"H"; fi
+ if $displayMinutes; then
+ OUTPUT=$OUTPUT$fullMinutes"M"; fi
+ if $displaySeconds; then
+ OUTPUT=$OUTPUT$fullSeconds"S"; fi
+
+ ## Output duration string to stdout
+ if [[ "$returnState" = "true" ]]; then echo "$OUTPUT"; fi
+
+ #===Determine function return code===
+ if [ "$returnState" = "true" ]; then
+ return 0;
+ else
+ echo "$returnState" 1>&2;
+ return 1;
+ fi
+
+} # Get duration (ex: PT10M4S )
+displayMissing() {
+ # Desc: Displays missing apps, files, and dirs
+ # Usage: displayMissing
+ # Input: associative arrays: appRollCall, fileRollCall, dirRollCall
+ # Output: stderr messages
+ #==BEGIN Display errors==
+ #===BEGIN Display Missing Apps===
+ missingApps="Missing apps :"
+ #for key in "${!appRollCall[@]}"; do echo "DEBUG:$key => ${appRollCall[$key]}"; done
+ for key in "${!appRollCall[@]}"; do
+ value="${appRollCall[$key]}"
+ if [ "$value" = "false" ]; then
+ #echo "DEBUG:Missing apps: $key => $value";
+ missingApps="$missingApps""$key "
+ appMissing="true"
+ fi
+ done
+ if [ "$appMissing" = "true" ]; then # Only indicate if an app is missing.
+ echo "$missingApps" 1>&2;
+ fi
+ #===END Display Missing Apps===
+
+ #===BEGIN Display Missing Files===
+ missingFiles="Missing files:"
+ #for key in "${!fileRollCall[@]}"; do echo "DEBUG:$key => ${fileRollCall[$key]}"; done
+ for key in "${!fileRollCall[@]}"; do
+ value="${fileRollCall[$key]}"
+ if [ "$value" = "false" ]; then
+ #echo "DEBUG:Missing files: $key => $value";
+ missingFiles="$missingFiles""$key "
+ fileMissing="true"
+ fi
+ done
+ if [ "$fileMissing" = "true" ]; then # Only indicate if an app is missing.
+ echo "$missingFiles" 1>&2;
+ fi
+ #===END Display Missing Files===
+
+ #===BEGIN Display Missing Directories===
+ missingDirs="Missing dirs:"
+ #for key in "${!dirRollCall[@]}"; do echo "DEBUG:$key => ${dirRollCall[$key]}"; done
+ for key in "${!dirRollCall[@]}"; do
+ value="${dirRollCall[$key]}"
+ if [ "$value" = "false" ]; then
+ #echo "DEBUG:Missing dirs: $key => $value";
+ missingDirs="$missingDirs""$key "
+ dirMissing="true"
+ fi
+ done
+ if [ "$dirMissing" = "true" ]; then # Only indicate if an dir is missing.
+ echo "$missingDirs" 1>&2;
+ fi
+ #===END Display Missing Directories===
+
+ #==END Display errors==
+} # Display missing apps, files, dirs
+setScriptTTL() {
+ #Desc: Sets script TTL
+ #Usage: setScriptTTL arg1
+ #Input: arg1: "day" or "hour"
+ #Output: scriptTTL
+ #Depends: timeUntilNextHour or timeUntilNextDay
+ local ARG1
+ ARG1="$1"
+ if [[ "$ARG1" = "day" ]]; then
+ # Set script lifespan to end at start of next day
+ if ! scriptTTL="$(timeUntilNextDay)"; then
+ if [[ "$scriptTTL" -eq 0 ]]; then
+ ((scriptTTL++)); # Add 1 because 0 would cause 'timeout' to never timeout.
+ else
+ yell "ERROR: timeUntilNextDay exit code $?"; exit 1;
+ fi;
+ fi;
+ elif [[ "$ARG1" = "hour" ]]; then
+ # Set script lifespan to end at start of next hour
+ if ! scriptTTL="$(timeUntilNextHour)"; then
+ if [[ "$scriptTTL" -eq 0 ]]; then
+ ((scriptTTL++)); # Add 1 because 0 would cause 'timeout' to never timeout.
+ else
+ yell "ERROR: timeUntilNextHour exit code $?"; exit 1;
+ fi;
+ fi;
+ else
+ yell "ERROR:Invalid argument for setScriptTTL function."; exit 1;
+ fi
+} # Seconds until next (day|hour).
projects / EVA-2020-02.git / commitdiff