1 files changed, 33 insertions, 3 deletions

diff --git a/src/shell.c b/src/shell.c
index b6733b7ce..266bb8f90 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -1586,6 +1586,7 @@ static char zHelp[] =
   ".quit                  Exit this program\n"
   ".read FILENAME         Execute SQL in FILENAME\n"
   ".restore ?DB? FILE     Restore content of DB (default \"main\") from FILE\n"
+  ".save FILE             Write in-memory database into FILE\n"
   ".schema ?TABLE?        Show the CREATE statements\n"
   "                         If TABLE specified, only show tables matching\n"
   "                         LIKE pattern TABLE.\n"
@@ -2155,7 +2156,9 @@ static int do_meta_command(char *zLine, struct callback_data *p){
   if( nArg==0 ) return 0; /* no tokens, no error */
   n = strlen30(azArg[0]);
   c = azArg[0][0];
-  if( c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0 ){
+  if( (c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0)
+   || (c=='s' && n>=3 && strncmp(azArg[0], "save", n)==0)
+  ){
     const char *zDestFile = 0;
     const char *zDb = 0;
     sqlite3 *pDest;
@@ -3504,6 +3507,26 @@ static void main_init(struct callback_data *data) {
 }
 
 /*
+** Output text to the console in a font that attracts extra attention.
+*/
+#ifdef _WIN32
+static void printBold(const char *zText){
+  HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
+  CONSOLE_SCREEN_BUFFER_INFO defaultScreenInfo;
+  GetConsoleScreenBufferInfo(out, &defaultScreenInfo);
+  SetConsoleTextAttribute(out,
+         FOREGROUND_RED|FOREGROUND_INTENSITY
+  );
+  printf("%s", zText);
+  SetConsoleTextAttribute(out, defaultScreenInfo.wAttributes);
+}
+#else
+static void printBold(const char *zText){
+  printf("\033[1m%s\033[0m", zText);
+}
+#endif
+
+/*
 ** Get the argument to an --option.  Throw an error and die if no argument
 ** is available.
 */
@@ -3523,6 +3546,7 @@ int main(int argc, char **argv){
   char *zFirstCmd = 0;
   int i;
   int rc = 0;
+  int warnInmemoryDb = 0;
 
   if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){
     fprintf(stderr, "SQLite header and source version mismatch\n%s\n%s\n",
@@ -3617,6 +3641,7 @@ int main(int argc, char **argv){
   if( data.zDbFilename==0 ){
 #ifndef SQLITE_OMIT_MEMORYDB
     data.zDbFilename = ":memory:";
+    warnInmemoryDb = argc==1;
 #else
     fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
     return 1;
@@ -3753,10 +3778,15 @@ int main(int argc, char **argv){
       int nHistory;
       printf(
         "SQLite version %s %.19s\n" /*extra-version-info*/
-        "Enter \".help\" for instructions\n"
-        "Enter SQL statements terminated with a \";\"\n",
+        "Enter \".help\" for usage hints.\n",
         sqlite3_libversion(), sqlite3_sourceid()
       );
+      if( warnInmemoryDb ){
+        printf("Connected to a ");
+        printBold("transient in-memory database.");
+        printf("\nUse \".open FILENAME\" to reopen on a "
+               "persistent database.\n");
+      }
       zHome = find_home_dir();
       if( zHome ){
         nHistory = strlen30(zHome) + 20;