Calling out side program from Forms 4.5

 Please help me in calling a program (may be an excutable Unix C program ) from Oracle Forms 4.5 . I need to pass an input to that program, which is a string taken from one of the fields of the Form. The Form should wait until the called program runs and outputs the results. The results of the called program has to be captured and to be populated into a field of the Form.

	Example: Input to the called program is Book Title  : " Oracle 7"
		  which is a field value in the Form

		Expected output from called program
		is the publisher name of the book    : " Oracle Corpn"

	How to call from the Form, wait, and capture the output and populate the

        Enhancing a school project as a part of learning Oracle Forms on PC at home.

	Any suggestions are appreciated. Skeleton codes are highly appreaciated.
	Thanks.

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