HEX_FILE_CONVERTER

/* HEX:HEX_FILE_CONVERTER 2014-02-02 v1.0                        *
 * file:main.c                                                   *
 * Compile:gcc -o HEXConverter main.c                            *
 * gcc(1):http://gcc.gnu.org/releases.html                       *
 * gcc(2):http://www.bloodshed.net/download.html                 *
 * INSPERATION:https://www.youtube.com/user/singingbanana/videos *
 * (BUT NO REALLY, AS THIS IS PRETY OBIOUS)                      *
 * Credits:w2ch.org-Anon                                         */


#include <stdio.h> //FILE, fopen(), fprintf(), fclose(), perror(), fgetc(), fseek(), ftell()


int main(int argc, char **argv)
{
    if(argc!=2) fprintf(stdout, "To many or to few arguments. Usage:%s InputFile", argv[0]);
    else
    {
    FILE *fpInput;

    fpInput = fopen(argv[1],"rb");
    if(fpInput==NULL)
    {
        fprintf(stderr, "ERORR1:input.txt(%s) could not be opened\n", argv[1]);
        return 1;
    }

    /* ---------------------------------------------------------------------- */
    {
        /**/
        char cCounter=0;
        char cTemp;
        /**/
        char unsigned cHexInputCharecter;
        while((cHexInputCharecter=(char unsigned)fgetc(fpInput))!=(char unsigned)EOF)
        switch(cHexInputCharecter&240)
        {
            case 160:
              fprintf(stdout, "A");
              goto lable1;
            case 176:
              fprintf(stdout, "B");
              goto lable1;
            case 192:
              fprintf(stdout, "C");
              goto lable1;
            case 208:
              fprintf(stdout, "D");
              goto lable1;
            case 224:
              fprintf(stdout, "E");
              goto lable1;
            case 240:
              fprintf(stdout, "F");
              goto lable1;
            default:
              fprintf(stdout, "%d", (cHexInputCharecter&240)/16);
              lable1:
                  switch(cHexInputCharecter&15)
                  {
                       case 10:
                         fprintf(stdout, "A");
                         break;
                       case 11:
                         fprintf(stdout, "B");
                         break;
                       case 12:
                         fprintf(stdout, "C");
                         break;
                       case 13:
                         fprintf(stdout, "D");
                         break;
                       case 14:
                         fprintf(stdout, "E");
                         break;
                       case 15:
                         fprintf(stdout, "F");
                         break;
                       default:
                         fprintf(stdout, "%d", cHexInputCharecter&15);
                         break;
                  }
              /**/
              fprintf(stdout, " ");
              ++cCounter;
              if(cCounter&4)
              {
                   cCounter+=8;
                   cCounter-=4;
                   if(cCounter&32)
                   {
                        fprintf(stdout, "|");
                        fseek(fpInput, ftell(fpInput)-16, SEEK_SET);
                        for(cTemp=16; cTemp--;) if((cCounter=(char)fgetc(fpInput))=='\n') fprintf(stdout, "\\n");
                        else if(cCounter==13 || cCounter==10) fprintf(stdout, " ");
                        else fprintf(stdout, "%c", cCounter);
                        fprintf(stdout, "\n");
                        cCounter=0;
                   }
                   else fprintf(stdout, "   ");
              }
              /**/
              break;
        }

        /**/
        fprintf(stdout, "|");
        cTemp=3&cCounter;
        cTemp+=4*((56&cCounter)/8);

        fseek(fpInput, ftell(fpInput)-cTemp, SEEK_SET);
        for(cTemp; cTemp--;) if((cCounter=(char)fgetc(fpInput))=='\n') fprintf(stdout, "\\n");
        else if(cCounter==13 || cCounter==10) fprintf(stdout, " ");
        else fprintf(stdout, "%c", cCounter);
        /**/
    }
    /* ---------------------------------------------------------------------- */

    if(fclose(fpInput)==EOF) fprintf(stderr, "ERORR2:fclose(%s) failed", argv[1]);
    }

    return 0;
}