In order to achieve what?
On Fri, 16 May 2014, Ben wrote:
> 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
>