Re: string substitution broken since 5.2

[Léa Gris]

Le 03/11/2022 à 19:50, Chet Ramey écrivait :
> The option is enabled by default. If you want to restore the previous
> behavior, add `shopt -u patsub_replacement'.

Having it enabled by default is not good, because it introduces 
side-effects for existing scripts.

Shell has historically perpetuated legacy features to preserve the 
function of those no-longer maintained systems and associated scripts.

Are there enough reasons to break this trend and stop preserving 
backward-compatibility with older scripts; by enabling new features that 
can affect the behaviour of previous code with side-effects?

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Léa Gris