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Top Forums Shell Programming and Scripting Sorting a flat file based on multiple colums(using character position) Post 302081236 by cucubird on Monday 24th of July 2006 05:14:37 AM
Old 07-24-2006
Faroe Island 20 island
japan 19 airline

The above is the sample data. As you can see, the intended first colum is actually Faroe Island instead of just Faroe. As such, It is necessary to use the char position to distinguish the columns.

Appreciate if you could provide me with some advise on how to do the sorting...For example I wanna sort according to the first column and last column

PS: Assume the 20 and 19, island and airline are all at the same char position
 

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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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