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Top Forums UNIX for Dummies Questions & Answers How to convert a single column into several rows and columns? Post 302198703 by ashton_smith on Friday 23rd of May 2008 05:26:34 PM
Old 05-23-2008
How to convert a single column into several rows and columns?

I have a program which gives me the output as a single column with hundreds of rows like:


213
314
324
324
123

I want to be able to create a new file from this file which allows me to set the number of rows and columns in the new file, i.e. for this example, if I specify 3 rows and 2 columns, the output should look like

213 314
324 324
123


Is it possible to do this in Unix or using a pearl script?


Thank You,
Ashton.
 

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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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