Date: Wed, 26 Oct 2022 11:32:14 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: Nuno Teixeira <eduardo@freebsd.org>, FreeBSD Mailing List <freebsd-ports@freebsd.org> Subject: Re: sh: getting <category>/<portname> from pwd Message-ID: <69442eed-b2e1-5be3-39f1-aef413606fcb@grosbein.net> In-Reply-To: <d06cd71d-bb8b-192b-d927-0314ae544a11@grosbein.net> References: <CAFDf7UJp9PkrhfMmJRKO7QNTmGQYu7BQYyqczoz-Dy7hP3h74g@mail.gmail.com> <d06cd71d-bb8b-192b-d927-0314ae544a11@grosbein.net>
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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.
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