Portability of $(expr) vs `expr` in bash

[Leonard den Ottolander]

Hi wwp,

On Fri, 2005-07-29 at 08:53, wwp wrote:
> If your concern is "bash" only:

Yes. Although I somewhat presumptuously assumed /bin/sh == bash. Not
sure if that is too presumptuous, or that this assumption is shared
throughout the code base.

> How old are the bash versions that don't support $(expr)?

Are there ways to use macros in .sh.in files to substitute with either
'`' & '`' or '$(' & ')'?

Leonard.

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