AFAIK you can't execute a non-readable program on UNIX. Try it: 
$ ls -la a.out
---x--x--x  1 joost joost 30 Jan 21 11:26 a.out
$ ./a.out
bash: ./a.out: Permission denied

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"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re^2: Execute But Not Read by Joost
in thread Execute But Not Read by Gorby

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