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.