On Jun 8, 2009, at 19:24, Glenn Knickerbocker wrote:

What I really want in the case at hand is to take two files, and
pad the
shorter one to contain as many records as the longer one.  I happen to
know the lengths in advance, but it would be nice to have a way that
didn't require that.

Will you always know a priori which is the longer file?

Do you want to append in place, or copy with padding?

In most cases won't it be more efficient to extract the
lengths from COMMAND LISTFILE rather than reading an entire
file merely to determine its length?

-- gil

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