Shell Programming and Scripting

Hi,

Please help me,its urgent.

I have a tool that i want to run from a shell script. When we run the tool it will ask the user choice to add or delete. When user enter the choice it will then ask how many units he want to delete or add and will add or delete accordingly.

Now I want to select add(a) option and quantity as 5. How can I supply both the input automatically to the tool from the shell script.

Please respond soon.

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