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Forum Topic - Creating corrupted text-file: (4 Items)

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Esa Heikkinen

12/22/2009 7:38 AM

post44267

Hello

I would want to create corrupted text-file for test purpose.

If i read the corrupted file (for example by cat-command or directly by C-software), it tells something like "corrupted 
file detected".

How this can be possible ?

I think i can edit the file by spatch-editor (hex-editor), but i dont know what exactly i should destroy from file. 
Maybe it is not possible to create corrupted file by that way ?

Thomas Haupt

12/22/2009 7:45 AM

post44268

Re: Creating corrupted text-file

Hi Esa,

as a rule of thumb, text files aren't corrupted.

The message you're seeing is propably "corrupted file /system/ detected", which is a little bit more serious than just 
having a 'bad' file, but can possibly be fixed.

What kind of file system is that file on that you're having trouble with? qnx4? If so, try running "chkfsys". qnx6? Try 
"chkqnx6fs" (I think that's the name). dos? ...

- Thomas

Esa Heikkinen

12/22/2009 8:04 AM

post44270

Re: Creating corrupted text-file

Ok. This problem occurs sometimes when power (electricity) of computer disappears immediately. We are using Flash-
harddisk.

I know the chkfsys-command and i have already used it for solve this problem.

But it would be good to create that kind of corrupted file by manually. It would help testing a lot.

Esa Heikkinen

12/22/2009 8:10 AM

post44271

Re: Creating corrupted text-file

I forgot to answer. We are using QNX Neutrino 6.3.0.

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