PL/SQL function - unix shell script

Hello,
I have an application that calls a unix shell script This unix shell script calls a oracle function in the PL/SQL package. For example,
In package pkg_test, there is function f_test. This function returns pls_interger.
How can I write a unix shell script to return the value from the oracle function, so that the application can get the value from the unix shell script?
Many thanks.

Thank you for your response.
The Oracle functuion pkg_name.proc_name will return different values, 0, 1, 2, 3 in diffefrent conditions.
The unix script, myscript.ksh calls pkg_name.proc_name.
The other application will call myscript.ksh and this application will need to get the values 0, 1, 2, 3 from myscript.ksh.
Can we make it without using the unix shelll function?
Thanks.
Edited by: slsam01 on Jun 2, 2009 9:21 PM

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