[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-bash] Prevent file descriptor inheritance
|
From: |
Greg Wooledge |
|
Subject: |
Re: [Help-bash] Prevent file descriptor inheritance |
|
Date: |
Wed, 8 Aug 2018 09:32:40 -0400 |
|
User-agent: |
NeoMutt/20170113 (1.7.2) |
On Wed, Aug 08, 2018 at 03:28:28PM +0200, R. Diez wrote:
> I am just planning the script, I have not written it yet.
>
> Say I am using the file in a loop. If I close the file descriptor every time
> before I run an external tool, I have to reopen the file and seek to the
> last read position. Not very convenient.
It would help to know a bit more about this file. Can't you simply
read the contents from it, and then close it? Is there a reason you
need to keep it open for a long time, but still want to prevent child
processes from gaining access?