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From: Clint Hepner <clint.hepner@gmail.com>
Newsgroups: gnu.bash.bug
Subject: Re: [1] 69728 segmentation fault bash
Date: Fri, 20 Jul 2018 10:17:26 -0400
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> On 2018 Jul 20 , at 9:27 a, Mr Guiguilebreton <gmadec101@gmail.com> wrote:
> 
> Hello, check this command in GNU bash, version 3.2.57(1)-release
> (x86_64-apple-darwin17):
> 
> ls () { ls -lG;}; ls

You wrote a recursive function with no base case. Don't do that.

    ls () { command ls -lG; }; ls

or use an alias for one of its few legitimate use cases

    alias ls='ls -lG'