You can use WinDiff.exe. It comes with VCisual Studio 6 or with Visual Source Safe and is used by the latter to compare ASCII files. It normally lives in Microsoft Visual Studio\Common\Tools directory.

>My boss is looking for something similar to a Norton Editor program he once used to compare two files, such as two PRG files. Is there some kind of shareware perhaps that would help a developer to compare two PRG files?
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>Cecil