Date: Fri, 1 Sep 2023 17:50:06 +0800 From: Archimedes Gaviola <archimedes.gaviola@gmail.com> To: listac@nebelschwaden.de Cc: questions@freebsd.org Subject: Re: cut off last lines of a document Message-ID: <CAJFbk7Hd%2Ba1MFRy=Xb4U_Htxoe4VzuCBkUxbRWgHxveFm2bBdg@mail.gmail.com> In-Reply-To: <de480aeb-3f8c-4be2-8162-6d9f033f201a@nebelschwaden.de> References: <57be5495-97f8-4f22-9ae2-cd9712596e64@nebelschwaden.de> <de480aeb-3f8c-4be2-8162-6d9f033f201a@nebelschwaden.de>
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[-- Attachment #1 --]
Hi Ede,
Please try.
head --lines=`wc -l <file> | awk '{print $1-3}'` <file>
Thanks,
Archimedes
On Fri, Sep 1, 2023 at 5:37 PM Ede Wolf <listac@nebelschwaden.de> wrote:
> Am 01.09.23 um 10:43 schrieb Ede Wolf:
> > Hello,
> >
> > From a file/output with an unknown amount of lines, I would like to
> > filter out, or not display, the last 3 lines. Is there a way to archive
> > this?
> >
> > For those also using linux, there is a "head -n -3" for this. That
> > negative number option is not available on FreeBSD, but maybe there is
> > an alterative way of doing this? Preferably /bin/sh compatible.
> >
> > Thanks
> >
> > Ede
> >
>
> As a sidenote: If possible, I would like to avoid using "tail -r | tail
> -n +4 | tail -r" as well, as it again is specific to FreeBSD, so if
> there is a more universal solution, that would be preferred. Even though
> this of course is a FreeBSD mailing list.
>
>
>
[-- Attachment #2 --]
<div dir="ltr"><div>Hi Ede,</div><div><br></div><div>Please try.</div><div><br></div><div>head --lines=`wc -l <file> | awk '{print $1-3}'` <file></div><div><br></div><div>Thanks,</div><div>Archimedes<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 1, 2023 at 5:37 PM Ede Wolf <<a href="mailto:listac@nebelschwaden.de">listac@nebelschwaden.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Am 01.09.23 um 10:43 schrieb Ede Wolf:<br>
> Hello,<br>
> <br>
> From a file/output with an unknown amount of lines, I would like to <br>
> filter out, or not display, the last 3 lines. Is there a way to archive <br>
> this?<br>
> <br>
> For those also using linux, there is a "head -n -3" for this. That <br>
> negative number option is not available on FreeBSD, but maybe there is <br>
> an alterative way of doing this? Preferably /bin/sh compatible.<br>
> <br>
> Thanks<br>
> <br>
> Ede<br>
> <br>
<br>
As a sidenote: If possible, I would like to avoid using "tail -r | tail <br>
-n +4 | tail -r" as well, as it again is specific to FreeBSD, so if <br>
there is a more universal solution, that would be preferred. Even though <br>
this of course is a FreeBSD mailing list.<br>
<br>
<br>
</blockquote></div>
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