Re: Backslash mysteriously disappears in command expansion when unescaping would reference an existing file

[Greg Wooledge]

On Wed, May 22, 2019 at 10:23:04PM +0000, Charles-Henri Gros wrote:
> But unfortunately, grep was just illustrative, I'm using another tool
> that takes a regex but has no "-F" option

1. The questioner's first description of the problem/question will be
   misleading.

9. All examples given by the questioner will be broken, misleading,
   wrong, and/or not representative of the actual question.

25. The newbie won't accept any answer that uses practical or standard
    tools.

26. The newbie will not TELL you about this restriction until you have
    wasted half an hour.