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  1. %{
  2. #include <stdio.h>
  3.  
  4. int charCount = 0;
  5. int wordCount = 0;
  6. int spaceCount = 0;
  7. int specialCount = 0;
  8. int upperCount = 0;
  9. int lowerCount = 0;
  10. int lineCount = 0;
  11. %}
  12.  
  13. %%
  14.  
  15. [A-Z]          { charCount++; upperCount++; }
  16. [a-z]          { charCount++; lowerCount++; }
  17. [ \t]          { charCount++; spaceCount++; }
  18. \n             { charCount++; lineCount++; }
  19. [0-9]          { charCount++; }   /* digits counted as characters */
  20. [^A-Za-z0-9 \t\n] { charCount++; specialCount++; }
  21. ([A-Za-z0-9]+) { wordCount++; }
  22.  
  23. %%
  24.  
  25. int main(int argc, char *argv[]) {
  26.     if(argc > 1) {
  27.         FILE *file = fopen(argv[1], "r");
  28.         if(!file) {
  29.             printf("Could not open file %s\n", argv[1]);
  30.             return 1;
  31.         }
  32.         yyin = file;
  33.     }
  34.  
  35.     yylex();
  36.  
  37.     printf("Total Characters: %d\n", charCount);
  38.     printf("Total Words: %d\n", wordCount);
  39.     printf("Blank Spaces: %d\n", spaceCount);
  40.     printf("Special Characters: %d\n", specialCount);
  41.     printf("Capital Letters: %d\n", upperCount);
  42.     printf("Lowercase Letters: %d\n", lowerCount);
  43.     printf("Number of Lines: %d\n", lineCount);
  44.  
  45.     return 0;
  46. }
Success #stdin #stdout #stderr 0.03s 6856KB
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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/5KJrhc/prog:46:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/1cKdzr
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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