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/* file dec.cpp
by Dustin Caldwell (dustin@gse.utah.edu)
*/
#include <dos.h>
#include <stdio.h>
#include <stdlib.h>
void helpdoc();
main()
{
FILE *fp;
unsigned char ch, c;
if((fp=fopen(_argv[1], "rb"))==NULL) /* open file to read */
{
printf("cannot open file %s\n",_argv[1]);
helpdoc();
exit(-1);
}
c=0;
ch=fgetc(fp);
while(!feof(fp)) /* loop for whole file */
{
printf("%u\t", ch); /* print every byte's decimal equiv. */
c++;
if(c>8) /* print 8 numbers to a line */
{
c=0;
printf("\n");
}
ch=fgetc(fp);
}
fclose(fp); /* close up */
}
void helpdoc() /* print help message */
{
printf("\n Binary File Decoder\n\n");
printf("\n Syntax: dec binary_file_name\n\n");
printf("by Dustin Caldwell (dustin@gse.utah.edu)\n\n");
printf("This is a filter program that reads a binary file\n");
printf("and prints the decimal equivalent of each byte\n");
printf("tab-separated. This is mostly useful when piped \n");
printf("into another file to be edited manually. eg:\n\n");
printf("c:\>dec sonata3.mid > son3.txt\n\n");
printf("This will create a file called son3.txt which can\n");
printf("be edited with any ascii editor. \n\n");
printf("(rec.exe may also be useful, as it reencodes the \n");
printf("ascii text file).\n\n");
printf("Have Fun!!\n");
}
---------------------------- REC.CPP ----------------------------------
/* 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");
} |
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