How do I truncate a file, delete bytes, or set the end of file from a stream?
Steven Schveighoffer
schveiguy at yahoo.com
Wed Jun 15 10:44:09 PDT 2011
On Wed, 15 Jun 2011 13:30:25 -0400, XP1 <nospam at nospam.com> wrote:
> On Sun, 12 Jun 2011 02:47:01 -0400, XP1 <nospam at nospam.com> wrote:
>
>>
>> How do I truncate a file, delete bytes, or set the end of file from a
>> stream?
>>
>> For example, what would be the easiest way to delete the last 4 bytes
>> from a file?
>
> Anyone?
If you are on linux, ftruncate(int fd, size_t size);
http://linux.die.net/man/2/truncate
If you are on Windows, _chsize(int handle, int size);
http://www.digitalmars.com/rtl/io.html#_chsize
Don't know about MacOS or BSD, they probably follow the linux function.
-Steve
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