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Full Discussion: Get lines which has pattern1, pattern2 and pattern3 in it
Top Forums Shell Programming and Scripting Get lines which has pattern1, pattern2 and pattern3 in it Post 302951836 by John K on Tuesday 11th of August 2015 04:34:12 AM
Old 08-11-2015
Get lines which has pattern1, pattern2 and pattern3 in it
Version: RHEL 6.5

In the below text file, I want to find the lines which has the string JOHN , KATE and STEVE in it.
The logic is to grep with an AND condition ie. get all lines with JOHN AND KATE AND STEVE
Code:
$ cat sometext.txt
PHILIP worked in HR
JOHN along with KATE fixed several IT issues. But, Steve got all the credit
JOHN worked in IT Department
KATE worked in the IT Department
STEVE worked in IT department

expected output:
JOHN along with KATE fixed several IT issues. But, Steve got all the credit

The following will work. But I need to grep multiple times. Is there another quick way using grep,egrep, awk, sed , ...etc ?
Code:
$ cat sometext.txt | grep -i JOHN | grep -i KATE| grep -i STEVE
JOHN along with KATE fixed several IT issues. But, Steve got all the credit

 

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LEARN ABOUT OPENDARWIN

look

LOOK(1) 						    BSD General Commands Manual 						   LOOK(1)

NAME

     look -- display lines beginning with a given string

SYNOPSIS

     look [-df] [-t termchar] string [file ...]

DESCRIPTION

     The look utility displays any lines in file which contain string as a prefix.  As look performs a binary search, the lines in file must be
     sorted.

     If file is not specified, the file /usr/share/dict/words is used, only alphanumeric characters are compared and the case of alphabetic char-
     acters is ignored.

     Options:

     -d      Dictionary character set and order, i.e. only alphanumeric characters are compared.

     -f      Ignore the case of alphabetic characters.

     -t      Specify a string termination character, i.e. only the characters in string up to and including the first occurrence of termchar are
	     compared.

     The look utility exits 0 if one or more lines were found and displayed, 1 if no lines were found, and >1 if an error occurred.

FILES

     /usr/share/dict/words  the dictionary

SEE ALSO

     grep(1), sort(1)

COMPATIBILITY

     The original manual page stated that tabs and blank characters participated in comparisons when the -d option was specified.  This was incor-
     rect and the current man page matches the historic implementation.

HISTORY

     A look utility appeared in Version 7 AT&T UNIX.

BSD
								   June 14, 1993							       BSD
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