Allow mftest -t to select by number

buildroot/share/git/mftest

@@ -115,8 +115,8 @@ case $TESTENV in
      due) TESTENV='DUE' ;;
      esp) TESTENV='esp32' ;;
     lin*) TESTENV='linux_native' ;;
-lpc?(8)) TESTENV='LPC1768' ;;
-   lpc9) TESTENV='LPC1769' ;;
+lp8|lpc8) TESTENV='LPC1768' ;;
+lp9|lpc9) TESTENV='LPC1769' ;;
     m128) TESTENV='mega1280' ;;
     m256) TESTENV='mega2560' ;;
     mega) TESTENV='mega2560' ;;
@@ -132,6 +132,7 @@ lpc?(8)) TESTENV='LPC1768' ;;
      t36) TESTENV='teensy35' ;;
      t40) TESTENV='teensy41' ;;
      t41) TESTENV='teensy41' ;;
+[1-9][1-9]|[1-9]) TESTNUM=$TESTENV ; TESTENV=- ;;
 esac
 
 if ((AUTO_BUILD)); then
@@ -217,8 +218,14 @@ if [[ $TESTENV == '-' ]]; then
   echo
   for (( ; ; ))
   do
+    if [[ $TESTNUM -gt 0 ]]; then
+      NAMEIND=$TESTNUM
+    else
       read -p "Select a test to apply (1-$IND) : " NAMEIND
-    [[ -z "$NAMEIND" ]] && { errout "(canceled)" ; exit 1 ; }
+    fi
+    [[ -z $NAMEIND ]] && { errout "(canceled)" ; exit 1 ; }
+    TESTENV=${NAMES[$NAMEIND-1]}
+    [[ $TESTNUM -gt 0 ]] && { echo "Preselected test $TESTNUM ... ($TESTENV)" ; TESTNUM='' ; }
     [[ $NAMEIND =~ $ISNUM ]] && ((NAMEIND >= 1 && NAMEIND <= IND)) && { TESTENV=${NAMES[$NAMEIND-1]} ; echo ; break ; }
     errout "Invalid selection."
   done