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Top Forums Shell Programming and Scripting How do I print out lines with the same number in front using awk? Post 302405065 by thillai_selvan on Thursday 18th of March 2010 01:50:20 AM
Old 03-18-2010
Sorry Now only I got the requirement. The value in front of the date should be the greatest value means we need to print that date. Am I correct?

---------- Post updated at 11:20 AM ---------- Previous update was at 11:12 AM ----------

Sorry for misunderstanding. Another simple way
Code:
max=`sort -k 1 input | cut -d' ' -f 1 | sort -u | tail -n 1`
sed -rn "s/${max} (.*)/\1/p" input

 

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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. DIAGNOSTICS
The column utility exits 0 on success, and >0 if an error occurs. ENVIRONMENT
COLUMNS The environment variable COLUMNS is used to determine the size of the screen if no other information is available. EXAMPLES
(printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ; printf "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
June 6, 1993 BSD
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