diff --git a/atom b/atom
index 9fb14f4..19d6110 100755
--- a/atom
+++ b/atom
@@ -1110,6 +1110,7 @@ unset count tagfiles
 echo '
 	CREATE TEMPORARY TABLE tasks(
 		id		INTEGER PRIMARY KEY,
+		unicity_check	TEXT	SECONDARY KEY,
 		command_line	TEXT,
 		requires	INTEGER,
 		status		INTEGER NOT NULL,
@@ -1117,6 +1118,117 @@ echo '
 			ON DELETE SET NULL
 	);' >&3
 
+echo '
+	SELECT	COUNT(DISTINCT source_files.id)
+	FROM	source_files,
+		destinations,
+		destination_files,
+		mime_type_actions
+	WHERE	destination_files.last_change < source_files.last_change
+	AND	destinations.id = destination_files.destination_id
+	AND	mime_type_actions.destination_id = destinations.id
+	AND	mime_type_actions.id = source_files.mime_type
+	AND	source_files.id = destination_files.source_file_id
+	AND	mime_type_actions.action = 1;' >&3
+read -u4 filecount
+echo '
+	SELECT
+		source_files.id,
+		source_files.filename,
+		destinations.name,
+		destination_files.id,
+		tags.rate,
+		tags.channels
+	FROM	source_files,
+		destinations,
+		destination_files,
+		tags,
+		mime_type_actions
+	WHERE	destination_files.last_change < source_files.last_change
+	AND	destinations.id = destination_files.destination_id
+	AND	mime_type_actions.destination_id = destinations.id
+	AND	mime_type_actions.id = source_files.mime_type
+	AND	source_files.id = destination_files.source_file_id
+	AND	tags.source_file = source_files.id
+	AND	mime_type_actions.action = 1;
+
+	SELECT "AtOM:NoMoreFiles";' >&3
+read -u4 line
+while ! [[ $line = AtOM:NoMoreFiles ]]
+do
+	decodefiles+=("$line")
+	read -u4 line
+done
+echo -n 'Creating tasks... '
+echo 'BEGIN TRANSACTION;' >&3
+for line in "${decodefiles[@]}"
+do
+	fileid=${line%%|*}
+	rest=${line#*|}
+	filename=${rest%%|*}
+	rest=${rest#*|}
+	destination=${rest%%|*}
+	rest=${rest#*|}
+	destfileid=${rest%%|*}
+	rest=${rest#*|}
+	rate=${rest%%|*}
+	rest=${rest#*|}
+	channels=${rest%%|*}
+	unset garbage
+	if (( ${destinationnormalize["$destination"]} ))
+	then
+		soxoptions_in+=" --norm"
+	fi
+	if [ -n "${destinationfrequency["$destination"]}" ]	\
+	&& (( ${rate:-0} != ${destinationfrequency["$destination"]} ))
+	then
+		soxoptions_out+=" -r ${destinationfrequency["$destination"]}"
+	fi
+	if [ -n "${destinationchannels["$destination"]}" ]	\
+	&& (( ${channels:-0} != ${destinationchannels["$destination"]} ))
+	then
+		soxoptions_out+=" -c ${destinationchannels["$destination"]}"
+	fi
+	tmpfile="$fileid${soxoptions_in// /}${soxoptions_out// /}"
+	soxoptions_in+=' --single-threaded'
+	soxoptions_out+=" --temp \"$tempdir\""
+	decodetaskid=$(
+		InsertIfUnset tasks <<-EOInsert
+			unicity_check	$tmpfile
+			command_line	sox $soxoptions_in "$sourcepath/$filename" $soxoptions_out "$tempdir/$tmpfile.wav"
+			status		0
+		EOInsert
+	)
+	case $(( ++count % 40 )) in
+		0) echo -ne '\b|' ;;
+		10) echo -ne '\b/' ;;
+		20) echo -en '\b-' ;;
+		30) echo -ne '\b\\' ;;
+		*) ;;
+	esac
+	if (( count % 1000 == 0 ))
+	then
+		echo 'COMMIT;BEGIN TRANSACTION;' >&3
+		(( debug ))	\
+		&& echo -e "\bCommitted $count tasks... "
+	fi
+	unset			\
+		channels	\
+		decodetaskid	\
+		destfileid	\
+		destination	\
+		fileid		\
+		filename	\
+		rate		\
+		rest		\
+		soxoptions_in	\
+		soxoptions_out	\
+		tmpfile
+done
+echo 'COMMIT;' >&3
+echo -e "\rCreated $count tasks for $filecount files"
+unset count
+
 closeDatabase
 
 # vim:set ts=8 sw=8: