grep command - UNIX for Dummies Questions & Answers

eerener · #1 (**permalink**) 09-30-2007

can you help me about followings, what they do

grep a b c

grep 'boswana.*birds' *.htm*

Yogesh Sawant · #2 (**permalink**) 09-30-2007

if you have access to a UNIX system, type:

Code:

man grep

JayC89 · #3 (**permalink**) 10-02-2007

Grep is basically a search command.

It has many different uses, below are the ones I'm aware of;

Code:

grep -i *whatever your searching for *

This will search all files in the directory you are currently in for "whatever your searching for" Making sure the * are kept in place.

Code:

/usr/ucb/ps -auxwwww | grep *whatever*

Searches for processes running as the user you are logged on as with "whatever" in there file name\config. This can also be piped through another grep to refine the search more so.

matrixmadhan · #4 (**permalink**) 10-02-2007

Quote:

Originally Posted by eerener

can you help me about followings, what they do

grep a b c

grep 'boswana.*birds' *.htm*

Did you give that a try first ?

Yogesh Sawant · #5 (**permalink**) 10-03-2007

Quote:

Originally Posted by JayC89

Grep is basically a search command.

It has many different uses, below are the ones I'm aware of;

Code:

grep -i *whatever your searching for *

This will search all files in the directory you are currently in for "whatever your searching for" Making sure the * are kept in place.

See what this command results in:

Code:

[ysawant@sms104a smsc]$ grep -i *whatever your searching for *
grep: your: No such file or directory
grep: searching: No such file or directory
grep: for: No such file or directory
[ysawant@sms104a smsc]$

This command should be:

Code:

grep -i "*whatever your searching for" *

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