Re: Need help with reading in a fileto replace a line, using sed

Thanks.  That's great solution! 

----- Original Message -----
From: "Davide Brini" <[email protected]> 
On Mon, 4 Mar 2013 18:51:34 +0000 (UTC), [email protected] wrote: 

> 
> 
> Hi.  I have a shell script that uses ed to replace a line in file 
> textfile1 
> 
> containing the pattern xxxxx with the contents of a file (textfile2). 
> 
> It does this by locating the line, deleting the line, then reading in 
> textfile2. 
> 
> The only concern with textfile2 is that it might also contain the same 
> pattern (xxxxx). 
> 
> textfile1 will only have this pattern (xxxxx) occur once. 
> 
> 
> 
> I am wondering if someone knows a way to do this same thing using sed. 
> 
> Remember that textfile2 might also contain the pattern xxxxx. 

The (imho) weird behavior of "r" in sed is actually useful here: 

sed -e '/xxxxx/{ r textfile2' -e 'd; }' textfile1 

-- 
D. 




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