bash script on FreeBSD

Kalpin Erlangga Silaen kalpin at muliahost.com
Wed Oct 8 07:22:57 UTC 2008


Dear Frank,

you are correct. Finally, I write my script using awk. Thank you

Kalpin Erlangga Silaen

Frank Shute wrote:
> On Wed, Oct 08, 2008 at 08:11:56AM +0100, Frank Shute wrote:
>   
>> On Wed, Oct 08, 2008 at 12:11:40PM +0700, Kalpin Erlangga Silaen wrote:
>>     
>>> Dear all,
>>>
>>> I am going to extract field username and UID from /etc/passwd and passed
>>> into some scripts. Let say I got line
>>>
>>> admin 100
>>> admin2 200
>>> admin3 300
>>> admin4 400
>>>
>>> and then I want to echoing into screen:
>>>
>>> admin has uid 100
>>> admin2 has uid 200
>>> admin3 has uid 300
>>> admin4 has uid 400
>>>
>>> How do I make this with bash script?
>>>
>>> Thank you
>>>
>>>
>>> Kalpin Erlangga Silaen
>>>       
>> $ sed -e 's/\(admin[0-9]*\)\ \([0-9]*\)/\1 has uid \2/g' /etc/passwd
>>
>>     
>
> Correction: You can't use that on /etc/passwd directly. But assuming
> you've got a file already in the format you specified, then you can
> use it on that.
>
> If you want to grab the data directly from /etc/passwd then you'd be
> better off using awk(1).
>
> Regards,
>
>   



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