Creating a new file based on existing file

Shell Programming and Scripting
1

Hello Guys ,

I need an another help regarding the below problem.

I want to create a new file based on the existing file ,where two columns will be changed according to user input .(say column 4 and column 5)

Please let me know how to proceed with
Thanks

2 
a=4
b=5
awk -v x=$a -v y=$b '{print $x, $y}' infile
3

Hi ,

thanks for your reply but somehow my req is different .

suppose a file structure is like

12 123 432 5564 567
13 134 445 8845 653
-- ---- --- ----- ----
and so on

now the o/p file will be

12 555 666 5564 567
13 555 666 8845 653
-- ---- --- ----- ----
and so on

here 2nd and 3rd column value i/p has been done by user ,rest columns remain same
Please let me know how its possible

4

Always 2nd and 3rd column?

run the script

Pratik4891.sh 555 666

cat Pratik4891.sh

#! /usr/bin/bash

awk -v s1=$1 -v s2=$2 {$2=s1;$3=s2}1' infile