copy: use NULL in reads from db

lib/copy/action

@@ -22,11 +22,11 @@ copyFiles_action() {
 		AND	mime_type_actions.action = 2;
 
 		SELECT "AtOM:NoMoreFiles";' >&3
-	read -u4 line
+	read -u4 -d$'\0' line
 	while ! [[ $line = AtOM:NoMoreFiles ]]
 	do
 		copyfiles+=("$line")
-		read -u4 line
+		read -u4 -d$'\0' line
 	done
 
 	echo 'BEGIN TRANSACTION;' >&3

lib/copy/guessPath

@@ -21,7 +21,7 @@ guessPath() {
 		LIMIT 1
 	),"0.0");
 	'>&3
-	read -u4 timestamp
+	read -u4 -d$'\0' timestamp
 	if (( ${timestamp/./} == 0 ))
 	then
 		return 2
@@ -46,7 +46,7 @@ guessPath() {
 		LIMIT 1
 	),"AtOM:NotFound");
 	'>&3
-	read -u4 filename
+	read -u4 -d$'\0' filename
 	if [[ $filename != AtOM:NotFound ]]
 	then
 		echo "${filename%/*}"