Hi Stephen,
Thanks for the quick reply, it is a binary file, coming from Quicktime's mov, I 
need to search backward for a string 'free', then change it to 'moov', so 
search should start from the end of file, any ideas? Thanks,
Angelo 


--- 2009年6月13日 星期六,Stephen J. Butler <stephen.but...@gmail.com> 寫道﹕

寄件人: Stephen J. Butler <stephen.but...@gmail.com>
主題: Re: searching a string in big file
收件人: 
副本(CC): cocoa-dev@lists.apple.com
日期: 2009年6月13日,星期六,下午2:04

2009/6/13 Angelo Chen <angelochen...@yahoo.com.hk>:
> I need to open a big file and search for a certain string, if found, I need 
> tup do some updates and write back the file, any idea what approach I should 
> take? Thanks,

32 or 64 bit? What is the encoding (ASCII, UTF-8, UTF-16, etc)? Are
the updates in place (that is, overwriting existing characters) or is
it more of an inserting new characters operation?
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