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Groups > linux.debian.user > #247282
| From | Tim Woodall <debianuser@woodall.me.uk> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: disable IPv6 debian |
| Date | 2022-04-16 08:40 +0200 |
| Message-ID | <EcKg9-94wf-25@gated-at.bofh.it> (permalink) |
| References | (6 earlier) <EcEkp-90W9-7@gated-at.bofh.it> <EcEu5-90Zc-1@gated-at.bofh.it> <EcENr-915z-3@gated-at.bofh.it> <EcFJv-91D1-3@gated-at.bofh.it> <EcJWN-94q5-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sat, 16 Apr 2022, tomas@tuxteam.de wrote:
> On Fri, Apr 15, 2022 at 09:47:11PM -0400, The Wanderer wrote:
>> On 2022-04-15 at 20:47, Greg Wooledge wrote:
>>
>>> On Sat, Apr 16, 2022 at 08:20:40AM +0800, wilson wrote:
>>
>>>> ps -efw |grep $PS |grep -v grep
>>
>>> You're also going to exit your script with the exit status from that
>>> last grep command. That's probably not what you want. If it's not,
>>> then an explicit "exit 0" at the end might be a good idea.
>>>
>>> Or, as another choice, you might want to exit with the exit status
>>> of the *first* grep. In that case, switching them around would be
>>> better:
>>>
>>> ps -efw | grep -v grep | grep "$PS"
>>
>> This would probably result in undesired behavior. I recognize this
>> pattern [...]
>
> If all you want to do is to find out whether a process with PID "$PS"
> is running, why not
>
> ps --pid "$PS" > /dev/null 2>&1 && echo "yo"
>
> or even perhaps
>
> kill -0 "$PS" 2>/dev/null && echo "yo"
>
> But yes, for the general pattern you are right.
>
Agree totally with this.
But if you want to use grep, then you need -w at least. grep for pid 123
will also match 1123, 1234, 11234 etc.
ps -ef | grep -w '[p]s' will not match the grep command.
ps -ef | grep -w "[${PS:0:1}]${PS:1}"
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disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-15 13:50 +0200
Re: disable IPv6 debian 황병희 <soyeomul@doraji.xyz> - 2022-04-15 14:00 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-15 14:30 +0200
Re: disable IPv6 debian Greg Wooledge <greg@wooledge.org> - 2022-04-15 17:00 +0200
Re: disable IPv6 debian Greg Wooledge <greg@wooledge.org> - 2022-04-15 18:00 +0200
Re: disable IPv6 debian Tim Woodall <debianuser@woodall.me.uk> - 2022-04-15 18:10 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-16 02:10 +0200
Re: disable IPv6 debian Greg Wooledge <greg@wooledge.org> - 2022-04-16 02:20 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-16 02:30 +0200
Re: disable IPv6 debian Charles Curley <charlescurley@charlescurley.com> - 2022-04-16 02:40 +0200
Re: disable IPv6 debian Greg Wooledge <greg@wooledge.org> - 2022-04-16 02:50 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-16 03:10 +0200
Re: disable IPv6 debian The Wanderer <wanderer@fastmail.fm> - 2022-04-16 03:50 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-16 04:10 +0200
Re: disable IPv6 debian Greg Wooledge <greg@wooledge.org> - 2022-04-16 05:00 +0200
Re: disable IPv6 debian The Wanderer <wanderer@fastmail.fm> - 2022-04-16 14:10 +0200
Re: disable IPv6 debian Greg Wooledge <greg@wooledge.org> - 2022-04-16 15:10 +0200
Re: disable IPv6 debian David Wright <deblis@lionunicorn.co.uk> - 2022-04-16 18:10 +0200
Re: disable IPv6 debian <tomas@tuxteam.de> - 2022-04-16 08:20 +0200
Re: disable IPv6 debian Tim Woodall <debianuser@woodall.me.uk> - 2022-04-16 08:40 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-16 10:30 +0200
Re: disable IPv6 debian David <bouncingcats@gmail.com> - 2022-04-16 10:50 +0200
Re: disable IPv6 debian Greg Wooledge <greg@wooledge.org> - 2022-04-16 15:00 +0200
Re: disable IPv6 debian Michael Stone <mstone@debian.org> - 2022-04-16 20:00 +0200
Re: disable IPv6 debian <tomas@tuxteam.de> - 2022-04-16 08:20 +0200
Re: disable IPv6 debian Chuck Zmudzinski <brchuckz@netscape.net> - 2022-04-15 19:40 +0200
Re: disable IPv6 debian Andy Smith <andy@strugglers.net> - 2022-04-16 01:00 +0200
Re: disable IPv6 debian didar <nosferatu@purlo.in> - 2022-04-16 07:10 +0200
Re: disable IPv6 debian Andy Smith <andy@strugglers.net> - 2022-04-16 11:50 +0200
Re: disable IPv6 debian Reco <recoverym4n@enotuniq.net> - 2022-04-15 14:30 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-15 14:40 +0200
Re: disable IPv6 debian Erwan David <erwan@rail.eu.org> - 2022-04-15 16:00 +0200
Re: disable IPv6 debian Jeremy Ardley <jeremy@ardley.org> - 2022-04-15 16:20 +0200
Re: disable IPv6 debian Reco <recoverym4n@enotuniq.net> - 2022-04-15 16:20 +0200
Re: disable IPv6 debian wilson <info@bigcount.xyz> - 2022-04-16 02:20 +0200
Re: disable IPv6 debian Ash Joubert <ash@transient.nz> - 2022-04-16 02:20 +0200
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