bug#29124: [PATCH] grep: simplify out

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bug#29124: [PATCH] grep: simplify out_file handling

From:	Paul Eggert
Subject:	bug#29124: [PATCH] grep: simplify out_file handling
Date:	Fri, 3 Nov 2017 01:46:59 -0700
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

This adds a syscall, which sounds like both a performance loss and a correctnessissue, as it introduces a race if the file system is being modified while wegrep. Is there some way to simplify out_file without adding a syscall or a race?

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bug#29124: [PATCH] grep: simplify out_file handling, Zev Weiss, 2017/11/03
- bug#29124: [PATCH] grep: simplify out_file handling, Paul Eggert <=
  - bug#29124: [PATCH] grep: simplify out_file handling, Zev Weiss, 2017/11/03
    - bug#29124: [PATCH] grep: simplify out_file handling, Paul Eggert, 2017/11/04
    - bug#29124: [PATCH] grep: simplify out_file handling, Zev Weiss, 2017/11/04

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