A question concerning diff

[Bob Peirce]

> Is there a program, command, anything, that will take two files
> {
> 	1. An old text file
> 	2. A "diff" format file
> }
> and make the changes listed in #2 on #1 and create file #3, the new text file?
> -- 
> Bill Wisner
> ...ihnp4!jack!wolf!billw

The Sys III manual for diff(1) claims that diff -e file1 file2 will
produce "a script of a, c and d commands for the editor ed, which will
recreate file2 from file1."

I haven't tried it, but I assume something like the following might work.

	ed file1 < diffs > file 2
-- 

	 	    Bob Peirce, Pittsburgh, PA
	    uucp: ...!{allegra, bellcore, cadre, idis}
	  	     !pitt!darth!investor!rbp
			    412-471-5320

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