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Hi,
How to embeded programme within perl programme.

Shankarao

Hi,
I tried with this command it works fine, Now i want to open the file and store the result in that file.
awk '{if ($1=="PD") pd=$0; else if ($1=="PY") print $0 ORS pd; else print $0}'...

With related with my earlier mail is tried with following code but its giving errror,

awk '$1=="PD" {pd=$0; next} {print} $1=="PY" {print pd}' file1

let me know how to exchange the lines.
...

Hi,

I want to know that, how to inter change the lines.
In the following file two line are there first one is conatin PD next line PY.
But i want to first line PY and next line PD. ...