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|    comp.lang.c    |    Meh, in C you gotta define EVERYTHING    |    243,242 messages    |
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|    Message 242,369 of 243,242    |
|    Michael Sanders to Richard Harnden    |
|    Re: is_binary_file()    |
|    08 Dec 25 18:07:26    |
   
   From: porkchop@invalid.foo   
      
   On Sun, 7 Dec 2025 19:01:02 +0000, Richard Harnden wrote:   
      
   > A text file is supposed to end with a '\n' (M$, of course, largely   
   > ignores this convention), but a quick test could be:   
   >   
   > f = fopen(path, "rb");   
   >   
   > fseek(f, -1, SEEK_END);   
   >   
   > if ( (c = fgetc(f)) == '\n' )   
   > printf("Text\n");   
   > else   
   > printf("Binary\n");   
   >   
   > fclose(f);   
   >   
   > Be aware of false positives/negatives, because I'm sure there will be   
   > plenty :)   
      
   Thank you Richard. Interesting thoughts.   
      
      
   --   
   :wq   
   Mike Sanders   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   
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