Shell Programming and Scripting

OK, best is I explain what the operating enviroment is.
Linux, but Motomagx. It is a Linux operated mobile phone, Motorola V8.
I am writting a shell script, but got stuck.
I have to delete the complete content of file 1 in file 2.
I have attached the 2 files.
You can see that the content of file 1 is part of file 2.
I tried it with sed

sed "/${DelPack}/{N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;d;}" /mmc/mmca1/.system/java/mpkgRegistry >/mmc/mmca1/tmpreg/mpkgRegistry

whereby $DelPack is the content of file 1 and /mmc/mmca1/.system/java/mpkgRegistry is file 2.
I have to use variables as there will be 10 or more "file 1"'s that make up file 2 and the script is for uninstalling, hence the content of the file 1 of the application that is to be removed has to be deleted from file 2, so that the application does not show up in the menu anymore.
I hope someone can give me a push into the right direction.
If you need some more detail, then please ask.

if you want to delete the content

Code:

grep -v -f file1 file2 > outfile

here outfile will have data other than file1 content

Thanks, I never thought about grep.
So, I tried it, but unfortunately it still deleted too much. It could be that some lines in file 1 are always the same, whatever application gets installed, like "Visible =1", which simply sets the menu to visible, and there are a few of those.
I have to try a few more things, but please keep any ideas coming.

EDIT:
Have solved the problem with a different approach. Because I have lots of file1 and they all make up file2, I delete file 2, delete the file1 of the application that is being uninstalled and rebuild file 2 with the other remaining file1's, using cat.
cat "file1's" >> file2
Problem solved!
That is the nice thing about Linux, if it does not work one way, then there is at least one other way to achieve what you want to do.