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Re: Crash on large brace expansion


From: Greg Wooledge
Subject: Re: Crash on large brace expansion
Date: Thu, 15 Jul 2021 15:23:26 -0400

On Thu, Jul 15, 2021 at 05:28:04PM +0200, Léa Gris wrote:
> Le 15/07/2021 à 16:36, Gabríel Arthúr Pétursson écrivait :
> > Hi all,
> > 
> > Executing the following results in a fierce crash:
> > 
> >     $ bash -c '{0..255}.{0..255}.{0..255}.{0..255}'
> 
> Brace expression expands all the value in memory.
> 
> Here you are actually telling Bash to expand 256⁴ or 4294967296 42 Billion
> entries.

4.2 billion, but who's counting? :-)



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