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  1. %{
  2. #include <stdio.h>
  3. int vow_count = 0, const_count = 0, digit_count = 0;
  4. int space_count = 0, word_count = 0, line_count = 0;
  5. %}
  6.  
  7. %%
  8.  
  9. [aeiouAEIOU]               { vow_count++; }                     /* Count vowels */
  10. [b-df-hj-np-tv-zB-DF-HJ-NP-TV-Z]  { const_count++; }             /* Count consonants */
  11. [0-9]                      { digit_count++; }                    /* Count digits */
  12. [ \t]+                     { space_count++; }                    /* Count spaces/tabs */
  13. \n                         { line_count++; word_count++; }       /* Count new lines */
  14. [^ \t\n]+                  { word_count++; }                     /* Count words */
  15.  
  16. %%
  17.  
  18. int main()
  19. {
  20.     printf("Enter the input text (Ctrl+D or Ctrl+Z to end):\n");
  21.     yylex();
  22.     printf("\n----- OUTPUT -----\n");
  23.     printf("Total vowels       = %d\n", vow_count);
  24.     printf("Total consonants   = %d\n", const_count);
  25.     printf("Total digits       = %d\n", digit_count);
  26.     printf("Total spaces       = %d\n", space_count);
  27.     printf("Total words        = %d\n", word_count);
  28.     printf("Total lines        = %d\n", line_count);
  29.     return 0;
  30. }
  31.  
  32. int yywrap()
  33. {
  34.     return 1;
  35. }
  36.  
Success #stdin #stdout #stderr 0.04s 6972KB
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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/nXebjv/prog:35:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/l93vEj
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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