Add line under line help plse

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# 1  
Old 12-18-2007
Add line under line help plse

Hello everyone, i hope someone can help me, i am a complete noob at bash so plse be gentle,
What i want to do is add a line under a line in a file, the file is xorg.conf and the line i would like to add is Option "SHMConfig" "on" under the line Option "Emulate3Buttons" "yes"
what i have found is below but i dont know how to add the params line to find and add and file to edit
if test $# -lt 3; then
echo Usage $0 line_find line_add file1 file2 ...
exit 1
#main code
echo Adding.. \"$2\" below \"$1\"
line=$1; add=$2
shift 2
for file; do
sed -i "s+$line+$line\n$add+g" $file
echo Complete.
Thankyou in advance if anyone can help me
# 2  
Old 12-18-2007
Hope this helps

You can use sed's append option:

sed -i.bak '/Option "Emulate3Buttons" "yes"/a\Option "SHMConfig" "on"' xorg.conf
# 3  
Old 12-18-2007
Replace the sed script inside your bash script with the one given here...

sed '/Option "Emulate3Buttons" "yes"/a\
Option "SHMConfig" "on"
' $file

# 4  
Old 12-18-2007
Thank you so much, just what i wanted
# 5  
Old 12-18-2007
I almost have it thank you so much i am much closer, the problem is that it wont write the line, if i put it to write under a normal line ie without the spaces etc it works but not for the line i want, i have double checked spelling etc even copied paste the line etc, i think the spacings or something is messing it up, hope i have explained it right.
# 6  
Old 12-18-2007
solved it after a bit of trial and error it was just spacing, thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,thank you,
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