Index: src/shell.c
==================================================================
--- src/shell.c
+++ src/shell.c
@@ -3232,10 +3232,11 @@
   ".auth ON|OFF           Show authorizer callbacks\n"
 #endif
   ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
   ".bail on|off           Stop after hitting an error.  Default OFF\n"
   ".binary on|off         Turn binary output on or off.  Default OFF\n"
+  ".cd DIRECTORY          Change the working directory to DIRECTORY\n"
   ".changes on|off        Show number of rows changed by SQL\n"
   ".check GLOB            Fail if output since .testcase does not match\n"
   ".clone NEWDB           Clone data into NEWDB from the existing database\n"
   ".databases             List names and files of attached databases\n"
   ".dbinfo ?DB?           Show status information about the database\n"
@@ -4728,10 +4729,29 @@
     }else{
       raw_printf(stderr, "Usage: .binary on|off\n");
       rc = 1;
     }
   }else
+
+  if( c=='c' && strcmp(azArg[0],"cd")==0 ){
+    if( nArg==2 ){
+#if defined(_WIN32) || defined(WIN32)
+      wchar_t *z = sqlite3_win32_utf8_to_unicode(azArg[1]);
+      rc = !SetCurrentDirectoryW(z);
+      sqlite3_free(z);
+#else
+      rc = chdir(azArg[1]);
+#endif
+      if( rc ){
+        utf8_printf(stderr, "Cannot change to directory \"%s\"\n", azArg[1]);
+        rc = 1;
+      }
+    }else{
+      raw_printf(stderr, "Usage: .cd DIRECTORY\n");
+      rc = 1;
+    }
+  }else
 
   /* The undocumented ".breakpoint" command causes a call to the no-op
   ** routine named test_breakpoint().
   */
   if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){