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Full Discussion: Convert Column Values to a Range of Values
Top Forums Shell Programming and Scripting Convert Column Values to a Range of Values Post 302860173 by Don Cragun on Friday 4th of October 2013 11:58:46 PM
Old 10-05-2013
This sounds more like a homework assignment than a "real" project. If this is a homework assignment, you need to close this thread and start a new thread in the Homework and Coursework Questions forum.

If not, you need to provide a lot more information about the input columns and the output you want.

Are the input columns in separate text files, a single text file with all of the data in a single column and some particular input lines indicating the start of a new column, actual columns in a text file (with what used to distinguish field boundaries), or something else? Are the column titles all in double quotes? Are the values in the input columns sorted (and, if not, is the script supposed to sort the output to appear as though the input had been sorted), or should it be a comma separated list of increasing (or increasing and decreasing) range values in the order in which they appeared in the input? (And, please use CODE tags to show sample input, sample output, and code segments!)

What variables do you want to adjust (and why)?

If you want us to help you learn how to do something, you need to provide us with more information about what you have (what shell, operating system, and operating system version are you using), what you want to do, and what resources you have to do it. This is not a forum for you to give vague comments about a project you'd like for someone else to design and implement for you.
 

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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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