Re: Parameter Expansion

Although I see history mentioned in the zshexpn manpage, I don't know what
my example has to do with history.

On Tue, Jul 15, 2025 at 11:01 AM Eric Cook <[email protected]> wrote:

> On 7/15/25 10:44 AM, Vin Shelton wrote:
> > I don't understand the order of parameter expansion. Consider the
> following example:
> >
> > zsh -f
> > export HOME=/home/acs
> > smaug% export SCMROOT=/home/acs/scmroot
> > smaug% echo ${SCMROOT:s-$HOME/--}
> >
> > This yields /home/acs/scmroot", but I expected "scmroot".
> > TIA,
> >   Vin Shelton
> >
>
> The history modifier doesn't create a new context where the parameter
> expansion code recurses and resolves any parameters within it's operands.
> It is searching for the literal string $HOME.
>
>

-- 
Whoa, I'm just surprised at how accurate that description of me really is:
some old cowboy guy that used to shoot movies at Spahn Ranch