From: Steven Baltakatei Sandoval <baltakatei@gmail.com>
Date: Sun, 28 Mar 2021 15:25:56 +0000 (+0000)
Subject: feat(unitproc):Add bkuptime
X-Git-Tag: 0.4.4^0
X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/commitdiff_plain/1e71fc203ec9f4b6b66e4a02a4e5371fe33df9cb

feat(unitproc):Add bkuptime

- Add bkuptime, which is like running `uptime` but with ISO-8601 time period
---

diff --git a/unitproc/bktemp-uptimeIso8601 b/unitproc/bktemp-uptimeIso8601
new file mode 100644
index 0000000..2cde6c2
--- /dev/null
+++ b/unitproc/bktemp-uptimeIso8601
@@ -0,0 +1,225 @@
+#!/bin/bash
+# Desc: Displays `uptime` information but with ISO-8601 time period
+#   string.
+
+yell() { echo "$0: $*" >&2; } # Yell, Die, Try Three-Fingered Claw technique; # Ref/Attrib: https://stackoverflow.com/a/25515370
+die() { yell "$*"; exit 111; }
+try() { "$@" || die "cannot $*"; }
+timeDuration(){
+    # 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 [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, 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
+
+    # 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 argSeconds provided
+    if [[ $# -ge 1 ]]; then
+	## Check that argSeconds is a positive integer
+	if [[ "$argSeconds" =~ ^[[:digit:]]+$ ]]; then
+   	    :
+	else
+	    yell "ERROR:argSeconds not a digit.";
+	    returnState="error_input";
+	fi
+    else
+	yell "ERROR:No argument provided. Exiting.";
+	exit 1;
+    fi
+
+    # Consider whether argPrecision was provided
+    if  [[ $# -eq 2 ]]; then
+	# Check that argPrecision is a positive integer
+	if [[ "$argPrecision" =~ ^[[:digit:]]+$ ]] && [[ "$argPrecision" -gt 0 ]]; then
+	precision="$argPrecision";
+	else
+	    yell "ERROR:argPrecision not a positive integer. (is $argPrecision ). Leaving early.";
+	    returnState="error_input";
+	fi;
+    else
+	:
+    fi;
+    
+    remainder="$argSeconds" ; # 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 -ge 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$fullSeconds"S"; fi
+
+    ## Output duration string to stdout
+    echo "$output" && returnState="true";
+
+    #===Determine function return code===
+    if [ "$returnState" = "true" ]; then
+	return 0;
+    elif [ "$returnState" = "error_input" ]; then
+	yell "ERROR:input";
+	return 1;
+    else
+	yell "ERROR:Unknown";
+	return 2;
+    fi
+
+} # Get duration (ex: PT10M4S )
+uptimeIso8601() {
+    # Desc: Get system uptime with ISO_8601-formatted time period
+    # Usage: uptimeIso8601    
+    # Output: A string similar to `uptime` but with date and uptime
+    #   time period replaced with a period/endtime ISO-8601-formatted
+    #   string.
+    #     ex: `P3DT23H36M46S/2021-03-28T14:47:48+0000,  5 users,  load average: 0.09, 0.10, 0.13`
+    # Note: No arguments used.
+    # Depends: timeDuration() v1.0.5, uptime
+    # Version: 0.0.1
+    # Ref/Attrib: get uptime in seconds https://leo.leung.xyz/wiki/Linux_Uptime_in_Seconds
+    sysUptime=$(</proc/uptime);
+    sysUptime=${sysUptime%%.*}; # 
+    sysUptimeIso="$(timeDuration $sysUptime 4)";
+    timeNow="$(date +%Y-%m-%dT%H:%M:%S%z)";
+    users_load="$(uptime | cut -d',' -f3-)";
+    output="$sysUptimeIso"/"$timeNow","$users_load ";
+    echo "$output";
+} # Get uptime with ISO-8601 time period
+main() {
+    uptimeIso8601;
+}
+
+
+# Author: Steven Baltakatei Sandoval
+# License: GPLv3+
diff --git a/unitproc/bkuptime b/unitproc/bkuptime
new file mode 100755
index 0000000..54f3fcb
--- /dev/null
+++ b/unitproc/bkuptime
@@ -0,0 +1,225 @@
+#!/bin/bash
+# Desc: Displays `uptime` information but with ISO-8601 time period
+#   string.
+
+yell() { echo "$0: $*" >&2; } # Yell, Die, Try Three-Fingered Claw technique; # Ref/Attrib: https://stackoverflow.com/a/25515370
+die() { yell "$*"; exit 111; }
+try() { "$@" || die "cannot $*"; }
+timeDuration(){
+    # 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 [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, 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
+
+    # 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 argSeconds provided
+    if [[ $# -ge 1 ]]; then
+	## Check that argSeconds is a positive integer
+	if [[ "$argSeconds" =~ ^[[:digit:]]+$ ]]; then
+   	    :
+	else
+	    yell "ERROR:argSeconds not a digit.";
+	    returnState="error_input";
+	fi
+    else
+	yell "ERROR:No argument provided. Exiting.";
+	exit 1;
+    fi
+
+    # Consider whether argPrecision was provided
+    if  [[ $# -eq 2 ]]; then
+	# Check that argPrecision is a positive integer
+	if [[ "$argPrecision" =~ ^[[:digit:]]+$ ]] && [[ "$argPrecision" -gt 0 ]]; then
+	precision="$argPrecision";
+	else
+	    yell "ERROR:argPrecision not a positive integer. (is $argPrecision ). Leaving early.";
+	    returnState="error_input";
+	fi;
+    else
+	:
+    fi;
+    
+    remainder="$argSeconds" ; # 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 -ge 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$fullSeconds"S"; fi
+
+    ## Output duration string to stdout
+    echo "$output" && returnState="true";
+
+    #===Determine function return code===
+    if [ "$returnState" = "true" ]; then
+	return 0;
+    elif [ "$returnState" = "error_input" ]; then
+	yell "ERROR:input";
+	return 1;
+    else
+	yell "ERROR:Unknown";
+	return 2;
+    fi
+
+} # Get duration (ex: PT10M4S )
+uptimeIso8601() {
+    # Desc: Get system uptime with ISO_8601-formatted time period
+    # Usage: uptimeIso8601    
+    # Output: A string similar to `uptime` but with date and uptime
+    #   time period replaced with a period/endtime ISO-8601-formatted
+    #   string.
+    #     ex: `P3DT23H36M46S/2021-03-28T14:47:48+0000,  5 users,  load average: 0.09, 0.10, 0.13`
+    # Note: No arguments used.
+    # Depends: timeDuration() v1.0.5, uptime
+    # Version: 0.0.1
+    # Ref/Attrib: get uptime in seconds https://leo.leung.xyz/wiki/Linux_Uptime_in_Seconds
+    sysUptime=$(</proc/uptime);
+    sysUptime=${sysUptime%%.*}; # 
+    sysUptimeIso="$(timeDuration $sysUptime 4)";
+    timeNow="$(date +%Y-%m-%dT%H:%M:%S%z)";
+    users_load="$(uptime | cut -d',' -f3-)";
+    output="$sysUptimeIso"/"$timeNow","$users_load ";
+    echo "$output";
+} # Get uptime with ISO-8601 time period
+main() {
+    uptimeIso8601;
+}
+
+main;
+# Author: Steven Baltakatei Sandoval
+# License: GPLv3+