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Top Forums Shell Programming and Scripting Replacing a column in a pipe delimited file Post 302926585 by member2014 on Tuesday 25th of November 2014 10:36:26 AM
Old 11-25-2014
Replacing a column in a pipe delimited file

Hi,

I have a pipe delimited file as below and I need to replace the 2nd column of each line with null values.

Code:
1|10/15/2011|fname1|lname1
2|10/15/2012|fname2|lname2
3|10/15/2013|fname3|lname3

Output file:
Code:
1||fname1|lname1
2||fname2|lname2
3||fname3|lname3

I tried this
Code:
awk -F"|" -v OFS="|" '{ $2=""}' filename.txt

Can anyone please help me with this urgent requirement?

Thanks in advance.

---------- Post updated at 10:36 AM ---------- Previous update was at 10:31 AM ----------

Was a syntax error. This worked.

Code:
awk -F"|" -v OFS="|" '$2 { $2=""} 1' filename.txt > newfilename.txt

 

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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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