Index: trunk/tests/RTT/Export.sh
===================================================================
--- trunk/tests/RTT/Export.sh	(revision 27649)
+++ trunk/tests/RTT/Export.sh	(revision 27650)
@@ -19,6 +19,18 @@
 
 fmt_args=""
 
+# portable sed -i implementation with temp files
+sedi()
+{
+	local sc n
+	sc=$1
+	shift 1
+	for n in "$@"
+	do
+		sed "$sc" < "$n" > "$n.sedi" && mv "$n.sedi" "$n"
+	done
+}
+
 # Execute pcb-rnd, optionally from trunk/src/, optionally wrapped in valgrind
 run_pcb_rnd()
 {
@@ -91,17 +103,17 @@
 
 # remove variable sections
 	case "$fmt" in
-		dsn) sed -i 's/[(]host_version[^)]*[)]/(host_version "<version>")/g' $raw_out ;;
-		bom|XY) sed -i "s/^# Date:.*$/# Date: <date>/" $raw_out ;;
+		dsn) sedi 's/[(]host_version[^)]*[)]/(host_version "<version>")/g' $raw_out ;;
+		bom|XY) sedi "s/^# Date:.*$/# Date: <date>/" $raw_out ;;
 		IPC-D-356)
-			sed -i '
+			sedi '
 				s/^C  File created on .*$/C  File created on <date>/
 				s/^C  IPC-D-356 Netlist generated by.*$/C  IPC-D-356 Netlist generated by <version>/
 			' $raw_out ;;
 		nelma)
-			sed -i 's@/[*] Made with PCB Nelma export HID [*]/.*@/* banner */@g' $raw_out ;;
+			sedi 's@/[*] Made with PCB Nelma export HID [*]/.*@/* banner */@g' $raw_out ;;
 		gerber)
-			sed -i '
+			sedi '
 				s/^G04 CreationDate:.*$/G04 CreationDate: <date>/
 				s/^G04 Creator:.*$/G04 Creator: <version>/
 			' $raw_out.*.gbr
@@ -109,7 +121,7 @@
 			rm $raw_out.*csect*.gbr
 			;;
 		ps)
-			sed -i '
+			sedi '
 				s@%%CreationDate:.*@%%CreationDate: date@
 				s@%%Creator:.*@%%Creator: pcb-rnd@
 				s@%%Version:.*@%%Version: ver@