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Full Discussion: selected columns exctract
Top Forums UNIX for Dummies Questions & Answers selected columns exctract Post 302150698 by Vicky Narayan on Wednesday 12th of December 2007 08:05:38 AM
Old 12-12-2007
Bug

Hi Ashok,

U can use "cut" command to extract the columns. Its quite handy so u wont have any prob.
Check dis out:
If file contans

A|123|NAME1
A|123|NAME2
B|123|NAME3

U need only the first two cols den:

bash-2.03$ cut -f 1,2 -d'|' abc1
A|123
A|123
B|123

Just check it out. U can use dis command as per ur needs...
revert back incase of any issue...

Bye....
 

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COLUMN(1)						    BSD General Commands Manual 						 COLUMN(1)

NAME
column -- columnate lists SYNOPSIS
column [-tx] [-c columns] [-s sep] [file ...] DESCRIPTION
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken from file operands, or, by default, from the standard input. Empty lines are ignored. The options are as follows: -c Output is formatted for a display columns wide. -s Specify a set of characters to be used to delimit columns for the -t option. -t Determine the number of columns the input contains and create a table. Columns are delimited with whitespace, by default, or with the characters supplied using the -s option. Useful for pretty-printing displays. -x Fill columns before filling rows. column exits 0 on success, >0 if an error occurred. ENVIRONMENT
COLUMNS The environment variable COLUMNS is used to determine the size of the screen if no other information is available. EXAMPLES
(echo "PERM LINKS OWNER GROUP SIZE MONTH DAY HH:MM/YEAR NAME"; ls -l | sed 1d) | column -t SEE ALSO
colrm(1), ls(1), paste(1), sort(1) HISTORY
The column command appeared in 4.3BSD-Reno. BSD
March 9, 2008 BSD
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