Resolve "Script is uselessly verbose"

atom

@@ -231,8 +231,8 @@ do
 	done
 done
 
-deleted=0
+unset deleted
-removed=0
+unset removed
 echo 'BEGIN TRANSACTION;' >&3
 for id in ${!removefile[@]}
 do
@@ -256,9 +256,9 @@ do
 done
 echo 'COMMIT;' >&3
 (( cron )) || echo -n $'\r'
-echo -n "Suppressed $deleted files, $removed removed from database"
+echo -n "${deleted+$deleted files deleted${removed:+, }}${removed:+$removed removed from database}"
 (( cron )) || echo -ne "\033[K"
-echo
+(( deleted || removed )) && echo
 unset removecount deleted removed removefile
 
 updateTags
@@ -272,7 +272,8 @@ do
 		Update destination_files last_change 0	\
 			<<<"destination_id = $forcedestid"
 	else
-		echo "Destination $forcedest does not exist!" >&2
+		echo "Full rebuild of destination $forcedest was requested,"  \
+			"but it does not exist!" >&2
 	fi
 done
 
@@ -441,7 +442,7 @@ do
 	decodefiles+=("$line::AtOM:SQL:Sep::")
 	read -u4 line
 done
-(( cron )) || echo -n 'Creating tasks...  '
+(( cron )) || echo -n $'Creating tasks...\033[K'
 
 (( textunidecodeneeded )) && ascii
 
@@ -547,8 +548,11 @@ do
 		tmpfile
 done
 echo 'COMMIT;' >&3
-(( cron )) || echo -n $'\r'
+(( cron )) || echo -n $'\r\033[K'
-echo "Created ${count:-0} tasks for $filecount files ${togo:+($togo left) }(${copies:-0} immediate copies)"
+(( count ))						\
+&& echo "Created $count tasks for $filecount files	\
+	${togo:+($togo left) }				\
+	${copies:+($copies immediate copies)}"
 
 # remove perl unicode to ascii coprocess
 (( textunidecodeneeded )) && eval exec "${toascii[1]}>&-"
@@ -563,7 +567,7 @@ remaining=$taskcount
 failed=0
 echo 'BEGIN TRANSACTION;' >&3
 committime=$EPOCHSECONDS
-while (( (remaining || ${#workers[@]}) && ! quit ))
+while (( remaining || ${#workers[@]} ))
 do
 	timestamp=$EPOCHSECONDS
 	if (( $timestamp - committime >= 60 ))
@@ -577,16 +581,15 @@ do
 	then
 		concurrency="$fixed_workers"
 	else
-		if [ -z "$quit" ]					\
+		if (( timestamp - concurrencychange >= loadinterval ))
-		&& (( ! pause ))					\
-		&& (( timestamp - concurrencychange >= loadinterval ))
 		then
-			if (( concurrency > 1 ))	\
+			if (( concurrency > 1 || allow_zero_running ))	\
-			&& (( load > maxload ))
+			&& (( load > maxload && concurrency ))
 			then
 				concurrencychange=$timestamp
 				(( --concurrency ))
-			elif (( load < maxload )) && (( active > concurrency - 1 ))
+			elif (( load < maxload ))	\
+			&& (( active > concurrency - 1 ))
 			then
 				concurrencychange=$timestamp
 				(( ++concurrency ))
@@ -595,16 +598,11 @@ do
 	fi
 	checkworkers
 	cleaner
-	(( pause )) || master
+	master
 	if (( ran - failed ))
 	then
 		currenttime=$timestamp
-		if (( pause ))
+		(( runtime = currenttime - starttime ))
-		then
-			(( runtime = pausestart - starttime - pausedtime ))
-		else
-			(( runtime = currenttime - starttime - pausedtime ))
-		fi
 		avgduration=$((
 			( runtime * 1000)
 			/
@@ -640,11 +638,7 @@ do
 	fmtprogress="T:%${#taskcount}i/%i (F:%i) %3i%%"
 	fmttime='%2id %2ih%02im%02is (A:%4.1fs/task)'
 	eta="ETA:$(
-		date -d	"${days:-0} days
+		printf "%(%c)T" "$(( currenttime + secsremaining ))"
-			${hours:-0} hours
-			${minutes:-0} minutes
-			${seconds:-0} seconds"	\
-			+'%d/%m %H:%M:%S'
 	)"
 	(( cron )) || printf						\
 		"\r$fmtload $fmtworkers $fmtprogress $fmttime $eta\033[K"\
@@ -661,7 +655,7 @@ do
 		${minutes:-0}						\
 		${seconds:-0}   					\
 		${avgdsec:-0}.${avgdmsec:-0}
-	if (( pause ))
+	if ! (( concurrency )) && ! (( cron ))
 	then
 		if (( active ))
 		then
@@ -676,22 +670,25 @@ unset count
 
 endtime=$EPOCHSECONDS
 
-(( elapsedseconds = endtime - starttime - pausedtime ))
+(( elapsedseconds = endtime - starttime ))
 (( days =
 	elapsedseconds
 	/
 	( 24*60*60 )
 )) || true
+(( days )) || unset days
 (( hours =
 	( elapsedseconds - ( days*24*60*60 ) )
 	/
 	( 60*60 )
 )) || true
+(( days && hours )) || unset hours
 (( minutes =
 	( elapsedseconds - ( ( days*24 + hours ) *60*60 ) )
 	/
 	60
 )) || true
+(( days && hours && minutes )) || unset minutes
 (( seconds =
 	elapsedseconds
 	-
@@ -699,10 +696,15 @@ endtime=$EPOCHSECONDS
 )) || true
 
 (( cron )) || echo -n $'\r'
-echo -n	"Ran ${ran:=0} tasks, $failed of which failed, in $days"	\
+(( ran ))	\
-	"days, $hours hours, $minutes minutes and $seconds seconds."
+&& echo -n	"Ran $ran tasks${failed:+, $failed of which failed,}	\
+		in ${days:+$days days,}					\
+		${hours:+$hours hours,}					\
+		${minutes:+$minutes minutes and}			\
+		$seconds seconds."
 (( cron )) || echo -en "\033[K"
-echo
+(( ran )) && echo
+
 if (( failed ))
 then
 	echo $'\nFailed tasks:\n'
@@ -785,17 +787,10 @@ then
 		echo "${line%%::AtOM:SQL:Sep::*}"
 		line="${line#*::AtOM:SQL:Sep::}"
 		line="${line//::AtOM:SQL:Sep::/ }"
-		echo $'\t'"${line/+( )$/}"
+		echo $'\t'"${line/+( )$/}"$'\n'
-		echo
 	done
 fi
 
-if [ -n "$quit" ]
-then
-	closeDatabase
-	exit
-fi
-
 for destination in "${!destinationpath[@]}"
 do
 	echo '
@@ -922,9 +917,10 @@ do
 		(( textunidecodeneeded )) && eval exec "${toascii[1]}>&-"
 		echo 'COMMIT;' >&3
 		(( cron )) || echo -n $'\r'
-		echo -n "$destination: Renamed ${changedcount:-0} files"
+		(( changedcount ))					\
+		&& echo -n "$destination: Renamed $changedcount files"
 		(( cron )) || echo -en "\033[K"
-		echo
+		(( changedcount )) && echo
 	fi
 	unset count changedcount renamefiles
 done
@@ -945,7 +941,7 @@ echo '
 	SELECT	"AtOM:NoMoreFiles";
 ' >&3
 
-(( cron )) || echo -n 'Removing obsolete files...     '
+(( cron )) || echo -n 'Removing obsolete files...'$'\033[K'
 lines=()
 read -u4 line
 while [[ $line != AtOM:NoMoreFiles ]]
@@ -972,11 +968,12 @@ do
 done
 echo 'COMMIT;' >&3
 (( cron )) || echo -n $'\r'
-echo -n "Removed ${count:-0} obsolete files."
+(( count ))					\
+&& echo -n "Removed $count obsolete files."
 (( cron )) || echo -en "\033[K"
-echo
+(( count )) && echo
 
-echo "Purging empty directories."
+(( debug )) && echo "Purging empty directories..."
 for path in "${destinationpath[@]}"
 do
 	find "$path" -type d -empty -delete

lib/copy/action

@@ -1,6 +1,6 @@
 #!/bin/bash
 copyFiles_action() {
-	(( cron )) || echo -n "Copying files...     "
+	(( cron )) || echo -n $'Copying files...\033[K'
 	echo '
 		SELECT
 			source_files.filename,
@@ -79,15 +79,29 @@ copyFiles_action() {
 				fi
 			fi
 		fi
-		if cp -al "$sourcepath/$sourcefilename" "$destdir" 2>/dev/null\
+		if cp -a --reflink=always		\
-		|| cp -a "$sourcepath/$sourcefilename" "$destdir"
+			"$sourcepath/$sourcefilename"	\
+			"$destdir"			\
+			2>/dev/null			\
+		|| cp -al				\
+			"$sourcepath/$sourcefilename"	\
+			"$destdir"			\
+			2>/dev/null			\
+		|| cp -a				\
+			"$sourcepath/$sourcefilename"	\
+			"$destdir"
 		then
 			Update destination_files			\
-				filename "$destdir/${sourcefilename##*/}"\
+				filename				\
-				rename_pattern "${destinationrenamepath[$destination]}/${destinationrename[$destination]}"\
+					"$destdir/${sourcefilename##*/}"\
-				fat32compat	${destinationfat32compat["$destination"]}\
+				rename_pattern 				\
-				ascii		${destinationascii["$destination"]}\
+					"${destinationrenamepath[$destination]}/${destinationrename[$destination]}"\
-				last_change $lastchange			\
+				fat32compat				\
+					${destinationfat32compat["$destination"]}\
+				ascii					\
+					${destinationascii["$destination"]}\
+				last_change				\
+					$lastchange			\
 			 <<-EOWhere
 				id = $destfileid
 			EOWhere
@@ -103,7 +117,7 @@ copyFiles_action() {
 		(( cron )) || echo -en "\033[K"
 		echo
 	else
-		(( cron )) || echo -e "\rNothing to copy.\033[K"
+		(( cron )) || echo -n $'\r\033[K'
 	fi
 	unset count done
 }

lib/files/getFiles

@@ -67,6 +67,10 @@ getFiles() {
 	)
 	echo 'COMMIT;' >&3
 	(( cron )) || echo -n $'\r'
-	echo "${count:-0} files found, ${new:=0} new or changed."$'\033[K'
+	if (( count ))
+	then
+		echo "$count files found${new:+, $new new or changed}."	\
+			$'\033[K'
+	fi
 	unset count
 }

lib/tags/update

@@ -206,8 +206,8 @@ echo '
 	done
 	echo 'COMMIT;' >&3
 	(( cron )) || echo -n $'\r'
-	echo -n "Read tags from ${count:-0} files."
+	(( count )) && echo -n "Read tags from $count files."
-	(( cron )) || echo -ne "\033[K"
+	(( cron )) || echo -n $'\033[K'
-	echo
+	(( count )) && echo
 	unset count tagfiles
 }