Avoid *begin always being included in the sorted list regardless of its value.
[stockfish] / tests /
drwxr-xr-x   ..
-rwxr-xr-x 1722 instrumented.sh
-rwxr-xr-x 1083 perft.sh
-rwxr-xr-x 1277 reprosearch.sh
-rwxr-xr-x 620 signature.sh