A program was written by Ben a.k.a DreamVB that I like to share a small tool to convert text files to RTF files using a C programming language.
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Program Listing
/*
TXT2RTF
A small tool to convert text files to RTF files.
Author: Ben a.k.a DreamVB
Version: 1.0
Type: Open Source
Contact: dreamvb@outlook.com {for any questions regarding this program}
*/
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define EXIT_IF(cnd) {if((cnd)) perror(NULL); exit(EXIT_FAILURE);}
void process_char(FILE* output, char ch)
{
switch(ch)
{
case '\r':
fputs("\\par", output);
fputc('\r', output);
break;
case '\n':
fputc(ch, output);
break;
case '\t':
fputs("\\tab ", output);
break;
case '\\':
fputs("\\\\", output);
break;
case '{':
fputc('\\', output);
fputc(ch, output);
break;
case '}':
fputc('\\', output);
fputc(ch, output);
break;
default:
if ((ch >= 0x20 && (ch <= 0x7F)))
{
fputc(ch, output);
}
else
{
fputs("\\'", output);
fprintf(output, "%02X", ch);
}
}
}
void process_files(FILE* input, FILE* output)
{
int ch;
while ((ch = fgetc(input)) != EOF)
{
process_char(output, ch);
}
}
void print_header(FILE* fout, char *font_name, char *font_size)
{
fputs("{\\rtf1\\ansi\\deff0\\nouicompat{\\fonttbl{\\f0\\fnil\\fcharset0 ", fout);
fputs(font_name, fout);
fputs(";}}\r\n", fout);
fputs("{\\*\\generator DM TXT2RTF 1.0}\\viewkind4\\uc1 \r\n", fout);
fputs("\\pard\\", fout);
fputs("fs", fout);
fputs(font_size, fout);
fputs("\\lang2057 ", fout);
}
void print_footer(FILE* fout)
{
fputs("\\par\r\n}\r\n", fout);
fputc(0, fout);
}
int main(int argc, char* argv[])
{
FILE *fin = NULL;
FILE *fout = NULL;
char sFont[30] = "Consolas";
char sFontsize[10] = "11";
if (argc < 3)
{
printf("Usage: <InFile> <OutFile> [FontName] [FontSize]\n");
return 0;
}
fin = fopen(argv[1], "rb");
EXIT_IF(fin == NULL);
fout = fopen(argv[2], "wb");
EXIT_IF(fout==NULL);
if (argc == 4)
strncpy(sFont, argv[3], sizeof(sFont)-1);
if (argc == 5)
strncpy(sFontsize, argv[4], sizeof(sFontsize)-1);
print_header(fout, sFont, sFontsize);
process_files(fin, fout);
print_footer(fout);
fclose(fin);
fclose(fout);
system(argv[2]);
return 1;
}
