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Using Grep

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Name: H J Calhoun
Date: January 28, 2002 at 20:33:10 Pacific
Comment:

Hello:

I need to use grep to pull a pattern of
information from the /etc/group/ file which
contains four fields and filter this information into a file can someone help
get me started on how to do this.

thank you



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Response Number 1
Name: Steve Calvert
Date: January 28, 2002 at 21:47:57 Pacific
Reply:

'cat' the group file and pipe the output through 'grep' with your required pattern as an argument.

e.g. If you are looking for members of the 'adm' group;

$ cat /etc/group | grep 'adm'

Refer to the grep man page for the different switches that allow case sensitivity, reg. exps. etc.


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Response Number 2
Name: David
Date: February 3, 2002 at 00:05:40 Pacific
Reply:


grep /etc/group > newfile.filtered

that finds all occurances of "pattern" in the file /etc/group and prints those lines into the new file "newfile.filtered"


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