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Convert file

hai..

can we convert the file which contains hex / character / base64 format into text format that can be read. Assume that i have this line of hex formated:

00 02 FF 0F 47 5F

after convert i got this text "Hello". Can we do that?

Thanks,

Suhaimi
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suhai
Asked:
suhai
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1 Solution
 
ozoCommented:
Are you sure that
00 02 FF 0F 47 5F
converts into "Hello"?  How did you convert it?
what format is this supposed to be?  hex, or character, or base64?
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GrailmanCommented:
"can we convert the file ... into text format that can be read"
I don't understand since this is how we read text files. Opening a file with the binary values 48 45 4C 4C 4F will give the text "HELLO". Do you mean you want to open a text file with the text "48 45 4C 4C 4F" and have it convert the three chars "48 " into one char "H"?

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suhaiAuthor Commented:
Yes grailman,  you've got my point. Do you have any program converter or some sample program?
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ozoCommented:
while( scanf("%2x",&c)>0 ){ putchar(c); }
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GrailmanCommented:
void Convert(char* pStr, int StrSize)
{
  // pStr is a pointer to text string to be converted
  // and should be checked before calling this to
  // make sure all chars are '0-9' 'a-f' A-F' space <CR> or <LF>

  char ch;
  char Byte;
  int NibbleCount = 0;

  for(int i = 0; i < StrSize; i++)
  {
    ch = pStr;

    // make sure we have a char
    if(ch != 0x0A && ch != 0x0D && ch != 0x20)
    {
      if            (ch >= '0' && ch <= '9')      ch -= '0';
      else if      (ch >= 'a' && ch <= 'f')      ch -= ('a' - 10);
      else if      (ch >= 'A' && ch <= 'F')      ch -= ('A' - 10);

      if(!(NibbleCount % 2))                  // Set lower nibble
      {
        Byte = (ch << 4);
      }
      else                                          // Set upper nibble
      {
        Byte += ch;
        printf("%c", Byte);
      }
      NibbleCount++;                        // increment for each nibble
    }
    else
      printf("%c",ch);                        // print <CR><LF> or Space

    pStr++;
  }
}

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suhaiAuthor Commented:
Thanks.
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