Appending text in a file

[Hal Duston]

On Fri, 2003-04-25 at 15:41, Jonathan Hutchins wrote:
> I have an LDIF file with a bit over 300 entries.  I need to append some text 
> (",ou=contacts,dc=tarcanfel,dc=net")  to each line that begins with "dn:". 
>  
> Surely there's an easy way to script this. 
>  
> Using sed, I can append text, but only as the next line. 

Something like (untested):

sed '/^dn:/s/$/,ou=contacts,dc=tarcanfel,dc=net/' < input > output

should to the trick.

Annotations:
/^dn:/ -- For each line beginning with dn:
s      -- substitute
$      -- At the end of the line
,ou... -- This text.
<      -- Input file
>      -- Output file.

--
Hal