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  1. %{
  2. 	#include<stdio.h>
  3. 	int w=0,ch=0,s=0,l=0;
  4. 	%}
  5. word[^ \t\n]+
  6. %%
  7. {word} {w++;ch+=yyleng;}
  8. " " {s++;}
  9. \n  {l++;}
  10. %%
  11. int main()
  12. {
  13. 	yyin=fopen("app.txt",r);
  14. 	yylex();
  15. 	printf("\n the no of words is %d",w);
  16. 	printf("\n the no of words is %d",ch);
  17. 	printf("\n the no of words is %d",s);
  18. 	printf("\n the no of words is %d",l);
  19. 	fclose(yyin);
  20. 	fclose(yyout);
  21.  
  22. }
Success #stdin #stdout #stderr 0.02s 6984KB
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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/36BaWc/prog:22:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/c7sbSz
language:
Prolog (swi 7.6.4)
created:
1 year ago
visibility:
public

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