X-Git-Url: https://zdv2.bktei.com/gitweb/BK-2020-03.git/blobdiff_plain/f0af75ef37a5542ff450ca5b061ec602cd95abeb..c1b629d0acca3520ab0a1deb8e5b72ad977b592c:/unitproc/bktemp-timeDuration

diff --git a/unitproc/bktemp-timeDuration b/unitproc/bktemp-timeDuration
index f132d08..57ea1f5 100644
--- a/unitproc/bktemp-timeDuration
+++ b/unitproc/bktemp-timeDuration
@@ -6,57 +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])
+    # Usage: timeDuration [1:seconds] ([2:precision])
+    # Version: 1.0.4
     # 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) ));
@@ -156,38 +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 )
@@ -200,7 +206,7 @@ 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 "Parsing argument provided to script:\"$*\""; timeDuration "$@"
 #==END sample code==
 
 # Author: Steven Baltakatei Sandoval