Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -300,10 +300,19 @@
 	chmod a+x $@
 
 $(PREFIX)/bin/mtrunner : utils/mtrunner
 	$(INSTALL) $< $@
 	chmod a+x $@
+
+$(PREFIX)/bin/mt-old-to-new.sh : utils/mt-old-to-new.sh
+	$(INSTALL) $< $@
+	chmod a+x $@
+
+$(PREFIX)/bin/mt-new-to-old.sh : utils/mt-new-to-old.sh
+	$(INSTALL) $< $@
+	chmod a+x $@
+
 
 deploytarg/nbfake : utils/nbfake
 	$(INSTALL) $< $@
 	chmod a+x $@
 
@@ -346,10 +355,11 @@
 
 install : $(PREFIX)/bin/.$(ARCHSTR) $(PREFIX)/bin/.$(ARCHSTR)/mtest $(PREFIX)/bin/megatest \
           $(PREFIX)/bin/.$(ARCHSTR)/dboard $(PREFIX)/bin/dashboard $(HELPERS) $(PREFIX)/bin/nbfake \
           $(PREFIX)/bin/.$(ARCHSTR)/mtexec $(PREFIX)/bin/mtexec $(PREFIX)/bin/serialize-env \
 	  $(PREFIX)/bin/nbfind $(PREFIX)/bin/mtrunner $(PREFIX)/bin/viewscreen $(PREFIX)/bin/mt_xterm \
+          $(PREFIX)/bin/mt-old-to-new.sh $(PREFIX)/bin/mt-new-to-old.sh \
 	  $(PREFIX)/share/docs/megatest_manual.html $(PREFIX)/bin/remrun \
 	  $(PREFIX)/share/docs/megatest_manual.html $(PREFIX)/bin/remrun $(PREFIX)/bin/mtutil \
 	  $(PREFIX)/bin/tcmt $(PREFIX)/share/db/mt-pg.sql \
           $(PREFIX)/share/js/jquery-3.1.0.slim.min.js \
           $(PREFIX)/bin/.$(ARCHSTR)/lib/libpangox-1.0.so \

ADDED   utils/mt-new-to-old.sh
Index: utils/mt-new-to-old.sh
==================================================================
--- /dev/null
+++ utils/mt-new-to-old.sh
@@ -0,0 +1,8 @@
+#!/bin/bash 
+
+cp .db/main.db megatest.db
+
+for db in $(ls .db/?.db); do
+  echo $db
+  sqlite3 $db "SELECT * FROM tests" | sqlite3 megatest.db ".import /dev/stdin tests"
+done

ADDED   utils/mt-old-to-new.sh
Index: utils/mt-old-to-new.sh
==================================================================
--- /dev/null
+++ utils/mt-old-to-new.sh
@@ -0,0 +1,28 @@
+#!/bin/bash 
+
+mkdir -p .db
+cp megatest.db .db/main.db
+sqlite3 .db/main.db << END_SQL
+delete from tests; 
+delete from test_steps;
+END_SQL
+version_id=$(sqlite3 .db/main.db "select id from metadat where var = 'MEGATEST_VERSION'")
+current_version=$(megatest -version)
+sqlite3 .db/main.db "replace into metadat (id,var,val) values($version_id,'MEGATEST_VERSION','$current_version')"
+
+
+sqlite3 megatest.db 'select id from runs' > runs.txt
+for run in $(cat runs.txt)
+do
+   dbnum=$(($run%100))
+   cp megatest.db .db/$dbnum.db
+   sqlite3 .db/$dbnum.db  << END_SQL
+   delete from tests where run_id != $run; 
+   delete from test_data; 
+   delete from test_meta; 
+   delete from test_rundat;
+   delete from test_steps where not exists ( select id from tests where tests.id = test_steps.test_id);
+   replace into metadat (id,var,val) values($version_id,'MEGATEST_VERSION','$current_version');
+END_SQL
+done
+