/* encodetext.c - Don Yang (uguu.org)

   Given text data in stdin, generate BF program that will output the
   same text data.

   09/03/04
                                                                           */

#include<stdio.h>

int main(int argc, char **argv)
{
   FILE *infile, *outfile;
   int i, i0;

   if( argc > 1 )
   {
      if( (infile = fopen(argv[1], "rb")) == NULL )
         return printf("Can not open %s\n", argv[1]);
      if( argc > 2 )
      {
         if( (outfile = fopen(argv[2], "wb+")) == NULL )
         {
            (void)fclose(infile);
            return printf("Can not create %s\n", argv[2]);
         }
      }
      else
      {
         outfile = stdout;
      }
   }
   else
   {
      infile = stdin;
      outfile = stdout;
   }

   for(i0 = 0; (i = fgetc(infile)) != EOF;)
   {
      for(; i0 < i; i0++) (void)fputc('+', outfile);
      for(; i0 > i; i0--) (void)fputc('-', outfile);
      (void)fputc('.', outfile);
   }
   (void)fputc('\n', outfile);

   (void)fclose(infile);
   (void)fclose(outfile);
   return 0;
}