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Full Discussion: How to input parameters and add Columns?
Top Forums Shell Programming and Scripting How to input parameters and add Columns? Post 302902752 by ali.seifaddini on Thursday 22nd of May 2014 05:03:06 AM
Old 05-22-2014
How to input parameters and add Columns?
Hello and good day

I am not familiar with programming. I have text files and I would like to:

1) edit script to input "a" and "b" parameters by users

2)put input directories in loop :
Something like this:
Ex: For i in /usr/desktop/input/SG*

3)add 2 more columns and performing arithmetic operations.

4)add name to column

(my files start with SG; Ex: "SG140101120000.CAP5xyz.txt" )

I found this script, but it is not complete.
Code:
#! /bin/bash
echo "a value"
read a 
echo "b value"
read b
For i in SG*;
do
awk '{$6=($1-64)/2 ;$7=((10^($6/10))/$a)^(1/$b) ; print}' OFS="\t" $i > /root/Desktop/decoder/output_gr_ubrb/1/$i.txt;
done

Orginal txt file:

Code:
$1      $2            $3             $4
74   3.99166 101.37082  2.000
74   3.99166 101.37834  2.000
75   3.98416 101.37082  2.000
75   3.98416 101.37834  2.000
81   3.96916 101.29571  2.000
  0   3.96166 101.28820  2.000
 82   3.96166 101.29571  2.000
 85   3.96167 101.31073  2.000

Expected result:
Code:
$1         $2             $3                $4                  $5        $6
74	3.99166	101.37082	2.000		5	0.0748783
74	3.99166	101.37834	2.000		5	0.0748783
75	3.98416	101.37082	2.000		5.5	0.0804649
75	3.98416	101.37834	2.000		5.5	0.0804649
81	3.96916	101.29571	2.000		8.5	0.12391
0	3.96166	101.28820	2.000		-32	0.000364633
82	3.96166	101.29571	2.000		9	0.133155
85	3.96167	101.31073	2.000		10.5	0.165237

Thanks in advance
Last edited by ali.seifaddini; 05-22-2014 at 07:08 AM..
 

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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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