Re: sh: getting <category>/<portname> from pwd

From: Eugene Grosbein <eugen_at_grosbein.net>
Date: Wed, 26 Oct 2022 04:31:07 UTC
26.10.2022 5:14, Nuno Teixeira wrote:
> Hello all,
> 
> I'm writing a shell script to feed poudriere testports and I need to get <category>/<portname> from ports tree:
> 
> `pwd`:
> /home/user/work/freebsd/ports/<category>/<portname>
> 
> `pwd | rev | cut -d / -f1,2 | rev` do the trick but it is so uggly!
> 
> Is there a shell option to get it?

Naturally, there is.

cwd=$(pwd)
echo ${cd##*/ports/}

This is documented in sh(1) manual page, section "Parameter Expansion".
No need to call external tools.