Re: Add to text file from command line via echo... possible to add to a particular line?[Scanned]

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Paul Howarth wrote:
On Thu, 2006-06-29 at 16:07 +0100, Chris Bradford wrote:
Paul Howarth wrote:
On Thu, 2006-06-29 at 07:42 +0100, Chris Bradford wrote:
Hi guys,

I'm making a setup script for my Linux boxes that re-install Openldap and some other bits and bobs. I need to add some text to /etc/pam.d/gdm for example, and it needs to be on a particular line in this file, not at the bottom.

For example using the command:

echo 'session required pam_mkhomedir.so skel=/etc/skel umask=0077' >> /etc/pam.d/gdm

Will only add this to the bottom of the file, can I get around this, it needs to be on the same position on all machines, ie line 8.
How about:

awk '	NR == 8 {
		printf "session    required     pam_mkhomedir.so skel=/etc/skel
umask=007\n"
	}
	{ print }' /etc/pam.d/gdm > /etc/pam.d/gdm.new
mv /etc/pam.d/gdm.new /etc/pam.d/gdm

Paul.

Paul,

Thats got it thanks :) I don't suppose there is a simple way to put a yes/no question into the script, if answered yes another script will be called, if no then its not?

There are some examples of reading user input here:

http://www.hccfl.edu/pollock/AUnix1/fancyio.htm

Paul.

Any ideas as to why this:

echo -n "Would you like to configure SophosAV: (type yes/no) "
read ANSWER

if [ $ANSWER = yes -o YES ]
then
   echo 'good'
   echo 'Enter script to run here....'

else
   echo 'bad'
   echo 'Carry on to next part of current script...'
fi

Does not work?

Thanks,

-Chris


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