insert new line in files

[Adam Vande More]

Dan Nelson wrote:
>> I had actually tried that too:
>>
>>  > sed -e '5i\
>> ? test' text.txt
>> sed: 1: "5i
>> test
>> ": command i expects \ followed by text
>>     
>
> I don't see a backslash in the error message, which means something ate it. 
> Are you running this command from something other than the commandline or a
> plain sh script?  If you're calling this from another scripting language
> (via system() or popen() or something similar), you probably have to double
> the backslash so whatever's parsing it out passes one through to sed.
>   
This is being executed from stock tcsh

Progress is being made as it works in the test now with the \\ however 
I'm running into more things I don't understand in regards to what I 
need to escape in my input string.

 > sed -e '5i\\
include(\'/usr/home/www/imp-sites/default_inventory.php\');' test.txt
Unmatched '.

I also tried escaping ( ) . / to no avail.