Re: Open files
Re: Open files
- Subject: Re: Open files
- From: Ed Stockly <email@hidden>
- Date: Sun, 17 Mar 2002 14:59:04 -0800
it's possible for a file to be open several times at once, each opening
having its own reference and associated file pointer. Only one of these
references can have write permission. If that's the reference you've
lost, you'll have to keep closing the file by path until the
appropriate reference surfaces and its closure enables you to reopen
the file with write permission. This may have implications for other
processes which haven't lost their references and are trying to read
the file.
NG
Wow. You learn something new every day. I didn't think there were any
cases where using the file reference number was more reliable, but it
seems there is one.
I'm not convinced this is enough of a potential problem to change the
way I use the open/read/write/close commands, or to tell people that
using the file ref number is required, but it certainly is good to know
in case that error ever comes up.
ES
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