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  1. %{
  2. #include <stdio.h>
  3.  
  4. int lines = 0;
  5. int words = 0;
  6. int chars = 0;
  7. %}
  8.  
  9. %%
  10.  
  11. \n              { lines++; chars++; }
  12. [ \t]+          { chars += yyleng; }
  13. [^\t\n ]+       { words++; chars += yyleng; }
  14.  
  15. %%
  16.  
  17. int yywrap()
  18. {
  19.     return 1;
  20. }
  21.  
  22. int main()
  23. {
  24.     yylex();
  25.     printf("Lines: %d\n", lines);
  26.     printf("Words: %d\n", words);
  27.     printf("Characters: %d\n", chars);
  28.     return 0;
  29. }
  30.  
Success #stdin #stdout #stderr 0.03s 6828KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/l3jXjA/prog:29:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/AK60LE
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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