Zsh Mailing List Archive
Messages sorted by: Reverse Date, Date, Thread, Author

Re: Parameter Expansion

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.
Messages sorted by: Reverse Date, Date, Thread, Author