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

26.10.2022 11:31, Eugene Grosbein wrote:

> 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/}

echo ${cwd##*/ports/}

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