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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6.  
  7. [a-zA-Z]+   { printf("Mot trouvé : %s\n", yytext); }
  8.  
  9. %%
  10.  
  11. int main() {
  12.     FILE *file = fopen("input.txt", "r");
  13.     if (!file) {
  14.         printf("Erreur : impossible d'ouvrir le fichier.\n");
  15.         return 1;
  16.     }
  17.  
  18.     yyin = file; // Flex lit depuis le fichier
  19.     yylex();     // Appelle l'analyseur lexical
  20.     fclose(file); // Ferme le fichier après traitement
  21.  
  22.     return 0;
  23. }
Success #stdin #stdout #stderr 0.02s 6936KB
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stdin
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Hindhhxf
stdout
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Standard output is empty
stderr
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ERROR: /home/ySuCzH/prog:2:1: Syntax error: End of file in quoted atom
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/UkGDLI
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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