Sorry, I must be going blind again. I downloaded the amalgamation but no test_md5.c. In fact, no "src" folder either: <code> doug@HP610:/mnt/q/qt_projects/dancemusicmanager/doc/sqlite$ ls -al total 15744 drwxrwxrwx 1 root root 512 Apr 15 13:25 . drwxrwxrwx 1 root root 512 Apr 15 08:25 .. -rwxrwxrwx 1 root root 4393914 Apr 15 13:16 Documentation+Source+Text-15a047bc79.zip drwxrwxrwx 1 root root 512 Apr 14 22:15 dst -rwxrwxrwx 1 root root 591565 Jan 28 03:25 shell.c -rwxrwxrwx 1 root root 2389909 Apr 21 11:41 sqlite-amalgamation-3310100.zip -rwxrwxrwx 1 root root 8074669 Jan 28 03:25 sqlite3.c -rwxrwxrwx 1 root root 576161 Jan 28 03:25 sqlite3.h -rwxrwxrwx 1 root root 34802 Jan 28 03:25 sqlite3ext.h </code>