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

[Chris Bradford]

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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