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Full Discussion: sorting based on a specified column in a text file
Top Forums Shell Programming and Scripting sorting based on a specified column in a text file Post 302581599 by Lucky Ali on Tuesday 13th of December 2011 12:51:03 PM
Old 12-13-2011
sorting based on a specified column in a text file
I have a tab delimited file with 5 columns

Code:
79      A   B   20.2340 6.1488  8.5086  1.3838
87      A   B   0.1310  0.0382  0.0054  0.1413
88      A   B   46.1651 99.0000 21.8107 0.2203
89      A   B   0.1400  0.1132  0.0151  0.1334
114    A   B   0.1088  0.0522  0.0057  0.1083
115    A   B   0.1133  0.0763  0.0080  0.1051

I want to sort from lowest to highest based on column 5. I tried using the unix command sort but don't know how to specify column 5.

Please let me know a way to sort it based on specifying a column either using unix or awk or shell scripting
 

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LEARN ABOUT REDHAT

column

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

	   (printf "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
								   June 6, 1993 							       BSD
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