From: Luiz Macchi <gugui_sarubi_macchi@...>
Date: 2008-02-27T23:12:06+09:00
Subject: instance variable into call linux command

Hi all,
I need to call a Linux command from ruby app to print a text file ! so
i卒d like to    put a instance variable (@printer_name) into the command
!

for example:

def imprimir
    `lpr -P@printer_name /tmp/impressao.txt`
end


how to do this ? it dont recognize the variable...

if i put the name of printer instead it runs

thanks any help
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