Janine Sisk wrote:
I have never had to edit a binary file, but how bad can it be? (note to
self - make copy first :)
Below is a little C program I wrote the last time I had to fix a dump
file. Run it with
dmp-charset <broken.dmp >fixed.dmp
/*
Change the two bytes denoting the character set in
an Oracle dump file. This is stored in byte 2 and 3.
0x001f = WE8ISO8859P1
Compile with: gcc -o dmp-charset dmp-charset.c
*/
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int main(int argc, char **argv)
{
char buf[16384];
int i, l;
while (l = read(0, buf, 16384)) {
if (i == 0) {
buf[1] = 0x00;
buf[2] = 0x1f;
i = 1;
}
write(1, buf, l);
}
}
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