Re^2: Example 2: incrementing "something"by Mabooka-Mabooka (Sexton)
|on Apr 17, 2005 at 04:35 UTC||Need Help??|
Perl allows to use arithmetics on stringHere's the code:
Don't try it at homeWell, I recommend at the very least to redirect the output to a file:-).
Why people do this?Again, the main reason: because it allows you. One may expect either a compile-time error or a run-time exception. But Perl allows you to shoot your own foot.
Actually, this is an obfuscated (starting to love the word) code from a real-life app. The real application would send a query over the wire to the server,
get a responce line --
-- that should look smth. like this:
200 OK 578
-- meaning " there're 578 lines yet to read from the socket,
parse this line and create a loop:
Well guess what? Once in 10000 times the server would get tired and send a garbled status line -- smth. like:
will start the almost infinite loop. (Try the code above).
Ask your new hires during the inteview: "What is the result of the following operation: