more compact logic for task duration

atom

@@ -550,9 +550,9 @@ done
 echo 'COMMIT;' >&3
 (( cron )) || echo -n $'\r\033[K'
 (( count ))						\
-&& echo "Created $count tasks for $filecount files	\
+&& echo "Created $count tasks for $filecount files"	\
-	${togo:+($togo left) }				\
+	"${togo:+($togo left) }"			\
-	${copies:+($copies immediate copies)}"
+	"${copies:+($copies immediate copies)}"
 
 # remove perl unicode to ascii coprocess
 (( textunidecodeneeded )) && eval exec "${toascii[1]}>&-"
@@ -675,20 +675,17 @@ endtime=$EPOCHSECONDS
 	elapsedseconds
 	/
 	( 24*60*60 )
-)) || true
+)) || unset days
-(( days )) || unset days
 (( hours =
 	( elapsedseconds - ( days*24*60*60 ) )
 	/
 	( 60*60 )
-)) || true
+)) || (( days )) || unset hours
-(( days && hours )) || unset hours
 (( minutes =
 	( elapsedseconds - ( ( days*24 + hours ) *60*60 ) )
 	/
 	60
-)) || true
+)) || (( days || hours )) || unset minutes
-(( days && hours && minutes )) || unset minutes
 (( seconds =
 	elapsedseconds
 	-