Re: [aclug-L] sed question

[Sanjay Dhar <sxdhar@xxxxxxxxxxx>]

On Sun, 22 Aug 1999, Wayne White wrote:

> I am trying to get sed to substitute the value of a  variable for 
> another string. It doesn't seem to want to do it as it only 
> substitutes "$vari" instead of the value of var.
> 
> Is it even possible to use a variable in sed like this? Is there
> some special syntax required if it is possible. 
> 
> Here's what I've tried,
> 
> # Get current dynamic local IP address
> 
> vari= `tail /var/log/messages | grep local | awk '{ print $9 }'`
> 
> # Substitute it into a html file in place of last IP address
> 
> sed 's/209\.134\.90\.[0-9]*/$vari/' /temp/test.html > /temp/test2.html
> 
> This will insert "$vari" into the correct place in the html file,
> but I need it to place the value of vari instead. No matter what I
> put between the /  and   /, that is what it substitutes into the 
> test2.html file. 
> 

Try using double quotes instead of single quotes for the sed command.
Good luck.

----------------------------------------------------------------------------

      SANJAY DHAR

      sxdhar@xxxxxxxxxxx

      http://www.cs.twsu.edu/~sxdhar

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