Re: sigs (was Re: Minor change in the F.A.Q. Please read.)

In alt.ascii-art, Gerard Thornley <SMPT:GTH...@EuropeM01.nt.com> saw fit to bestow on us:

>> This little C program will "scramble"/"unscramble" text for you:
>>
>> #include <stdlib.h>
>> #include <stdio.h>
>>
>> main()
>> {
>>   int ch;
>>
>>   while ((ch = getchar()) != EOF)
>>     {
>>       if ((ch >= 65) && (ch <= 90))
>>         {
>>           ch = 65 + ((ch - 65) + 13) % 26;
>>         }
>>       if ((ch >= 97) && (ch <= 122))
>>         {
>>           ch = 97 + ((ch - 97) + 13) % 26;
>>         }
>>       printf("%c", ch);
>>     }
>> }

Why no just do:

 main()
 {
   int ch;

   while ((ch = getchar()) != EOF)
     {
         ch ^= 1;
       printf("%c", ch);
     }
 }


??
/NL
--
Nir Levy,                  The above opinions are my own,  
nlevy @ usa.net            not my employer's.           
                         --
         I didn't do it; Nobody saw me do it; 
       You can't prove anything;  -Bart Simpson
                         --