In a recent note, Eric N. Bielefeld said: > Date: Mon, 31 Jul 2006 17:25:18 -0500 > > I have a question to all those who don't think sequence numbers are needed. > If you don't use sequence numbers either at the beginning or end of a > record, how do you electronically update a source deck, be it JCL, COBOL, > assember, a macro, or whatever? I don't think the DIFF command is the > answer. What does Microsoft use, or do they always just totally replace > source? > Something like "diff" is more frequently the answer than is generally acknowledged. I wonder how much IEBUPDTE control input nowadays is typed by hand vs. how much is generated by some sort of compare utility, diff being only one instance?
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