On Thu, Jun 06, 2002 at 02:11:31AM -0500, Jesse Angell wrote:
> Okay,
> There is a file lets call it user.conf
> on line 23 of the file there is a line that says
> user=blahblah
> I want to have a varible in a script.. $user = john
> that edits user.conf and changes user=blahblah to user=thevarible$user...
> How would I do this.
sed can do it but you need to write the script to a temporary
file then move it back over the original file.
sed "s/user=\(.*\)/user=${thevariable}\1/" < user.conf > a
mv a user.conf
Alternatively use an embedded ed script.
thevariable=whatsup
ed - user.conf << EOE
/user=
s/user=\(.*\)/user=${thevariable}\1/
w
q
EOE
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