diff --git a/gbgb2.c b/hextodec.c
similarity index 62%
rename from gbgb2.c
rename to hextodec.c
index 75173e3..52a0f90 100644
--- a/gbgb2.c
+++ b/hextodec.c
@@ -11,17 +11,27 @@ typedef struct {
 
 int main ( int argc, char **argv)
 {
+  printf("start main");
   int i;
   char buff[26];
   char buff2[18];
   int32_t values[8];
   uint32_t valbin[8];
   quartet value;
-
-  while (fread(&buff, 26, 1, stdin)) {
+  FILE* test = fopen("02400001.TXT","r");
+  if(test == NULL){
+    printf("File NULL");
+    return 1;
+  }
+  if(!test){
+      printf("File opening failed");
+      return 1;
+  }
+  printf("\nbefore while");
+  while (fread(&buff, 26, 1, test)) { //stdin à la place de test de basetest
     /*buff[25] = '\0';*/
-    if (strncmp(buff, "#################\n", (size_t)18) == 0) {
-      if (!(fread(&buff2, 18, 1, stdin))) {
+    if (strncmp(buff, "#################\n", (size_t)18) == 0) { 
+      if (!(fread(&buff2, 18, 1, test))) { // stdin here too
         fprintf(stderr, "Erreur lesture après ###...#");
         return(1);
       } else {
@@ -30,10 +40,7 @@ int main ( int argc, char **argv)
         strncpy(&buff[8], buff2, 18);
       }
     }
-
-
     i = 3;
-
     value.octet1 = buff[3*i+1];
     value.octet2 = buff[3*i+2];
     value.octet3 = buff[3*i+3];
@@ -42,17 +49,19 @@ int main ( int argc, char **argv)
 
     valbin[i] = buff[3*i+1]*256*256*256 + buff[3*i+2]*256*256 + buff[3*i+3]*256;
     memcpy(&values[i], &valbin[i], sizeof(int32_t));
-
     if (value.octet1 & 0b10000000) {
-      printf("Valeur négative trouvée: %02x %02x %02x %d\n", value.octet1, value.octet2, value.octet3, values[i]);
+      printf("Valeur negative trouvee: %02x %02x %02x %d\n", value.octet1, value.octet2, value.octet3, values[i]);
     }
-    fprintf(stdout, "%02x %02x %02x %d", value.octet1, value.octet2, value.octet3, values[i]/256);
+    
+    printf("%02x %02x %02x %d", value.octet1, value.octet2, value.octet3, values[i]/256); // stdout au début du printf
 
 /*
     for (i=1; i<25; i++) {
       fprintf(stdout, "%02x ", buff[i]);
     }
+
 */
     printf("\n");
   }
+  // printf("\nend");
 }
diff --git a/hextodec.exe b/hextodec.exe
new file mode 100644
index 0000000..c09a8e5
Binary files /dev/null and b/hextodec.exe differ