Try this "/var/log/{messages,syslog}.?"
On Fri, May 16, 2014 at 10:08 AM, Mike Miller <mbmiller+l at gmail.com> wrote:
> This is about filename globbing, right? First, for the parentheses to
> work, you need to have extended globbing turned on in the bash shell. This
> probably means that you have to turn it on in the script, if you are
> writing a script. This is the command:
>
> shopt -s extglob
>
> More info:
>
> http://www.linuxjournal.com/content/bash-extended-globbing
>
> I did this so that I could test some patterns:
>
> mkdir test
> cd test
> touch messages syslog anaconda.syslog messages.1 syslog.1 syslog.2.gz
>
> Using echo or ls does basically the same thing:
>
> echo !(*.)s*s*g!(*.*)
> ls !(*.)s*s*g!(*.*)
>
> echo !(*.)s*s*g!(*1|*z)
> ls !(*.)s*s*g!(*1|*z)
>
> I see the same thing that you see:
>
> $ ls !(*.)s*s*g!(*.*)
> messages syslog syslog.2.gz
>
> $ ls !(*.)s*s*g!(*1|*z)
> messages syslog
>
> I don't often use the !() syntax, so it's nice to be reminded of it.
> So !(*.)s*s*g!(*.*) matches syslog.2.gz like this:
>
> !(*.)s * s * g !(*.*)
> s y s log.2. g z
>
> So the g in the pattern is matching with the g in gz, not the g in log.
>
> It's hard to say what you are shooting for here. That is, what else do
> you want to match in addition to the two exact filenames? If I just wanted
> the two filenames, I might do this:
>
> {syslog,messages}
>
> Mike
>
>
> On Sat, 10 May 2014, gregrwm wrote:
>
> ok you bashers, check me on this:
>>
>> matches wanted: messages syslog
>> matches not wanted: anaconda.syslog messages.1 syslog.1 syslog.2.gz
>> pattern1: !(*.)s*s*g!(*.*)
>> pattern1 match results: messages syslog syslog.2.gz syslog.3.gz
>> syslog.4.gz
>> pattern2: !(*.)s*s*g!(*1|*z)
>> pattern2 match results: messages syslog
>>
>> so pattern2 works. but is that pattern1 result a bug?
>>
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--
Ben Lutgens
Linux / Unix System Administrator
Three of your friends throw up after eating chicken salad. Do you think:
"I should find more robust friends" or "we should check that refrigerator"?
-- Donald Becker, on vortex-bug, suspecting a network-wide problem
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