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- /* File rec.cpp
- by Dustin Caldwell (dustin@gse.utah.edu)
- */
-
- #include <dos.h>
- #include <stdio.h>
- #include <ctype.h>
- #include <stdlib.h>
-
- void helpdoc();
-
- main()
- {
- FILE *rfp, *wfp;
-
- unsigned char ch, c;
- char s[20];
-
- if((rfp=fopen(_argv[1], "r"))==NULL) /* open the read file */
- {
- printf("cannot open file %s \n",_argv[1]);
- helpdoc();
- exit(-1);
- }
-
- if((wfp=fopen(_argv[2], "wb"))==NULL) /* open the write file */
- {
- printf("cannot open file %s \n",_argv[1]);
- helpdoc();
- exit(-1);
- }
-
- c=0;
-
- ch=fgetc(rfp);
-
- while(!feof(rfp)) /* loop for whole file */
- {
-
- if(isalnum(ch)) /* only 'see' valid ascii chars */
- {
- c=0;
- while(isdigit(ch)) /* only use decimal digits (0-9) */
- {
- s[c]=ch; /* build a string containing the number */
- c++;
- ch=fgetc(rfp);
- }
- s[c]=NULL; /* must have NULL terminator */
-
- fputc(atoi(s), wfp);/* write the binary equivalent to file */
-
- }
-
- ch=fgetc(rfp); /* loop until next number starts */
-
-
- }
-
- fclose(rfp); /* close up */
- fclose(wfp);
- }
-
-
- void helpdoc() /* print help message */
- {
- printf("\n Text File Encoder\n\n");
-
- printf("\n Syntax: rec text_file_name binary_file_name\n\n");
-
- printf("by Dustin Caldwell (dustin@gse.utah.edu)\n\n");
- printf("This is a program that reads an ascii tab-\n");
- printf("delimited file and builds a binary file where\n");
- printf("each byte of the binary file is one of the decimal\n");
- printf("digits in the text file.\n");
- printf(" eg:\n\n");
- printf("c:\>rec son3.txt son3.mid\n\n");
- printf("(This will create a file called son3.mid which is\n");
- printf("a valid binary file)\n\n");
- printf("(dec.exe may also be useful, as it decodes binary files)\n\n");
- printf("Have Fun!!\n");
- }
-
-