Re: Puzzle: Warnings Golf

Juho Snellman <[email protected]> writes:

> On Wed, Sep 01, 2004 at 08:34:32PM +0100, McGlinchy, Alistair wrote:
>> Puzzle: Write a one-liner longer than (say) 3 bytes that can improve
>> on 0.77 distinct warnings per byte of code. The program should be -c
>> valid, output nothing without -w and sound the alarm as much as
>> possible with -w.
>
> 4 bytes, 5 warnings for 1.25 warnings / byte. 
> 13 bytes, 13 warnings for 1.00 warnings / byte.
  3 bytes, 5 warnings for 1.66 warnings / byte

If we go down to a one byte program then you can get 2
warnings/byte. But you knew that.


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$ perl -we 'a<a'
Unquoted string "a" may clash with future reserved word at -e line 1.
Unquoted string "a" may clash with future reserved word at -e line 1.
Useless use of numeric lt (<) in void context at -e line 1.
Argument "a" isn't numeric in numeric lt (<) at -e line 1.
Argument "a" isn't numeric in numeric lt (<) at -e line 1.

$ perl -we 'a'
Unquoted string "a" may clash with future reserved word at -e line 1.
Useless use of a constant in void context at -e line 1.