> Chris, blocking does take place at multiple levels.. [ et al]
Used to see a lot of "blocked" data coming off of IBM mainframes. The
probably originated because Waye Backe Whene COBOL was king and mainframe
COBOL [programmers] didn't handle 'streams' of data well. Not well at all.
You still see it from Mainframes and AS/400 machines but for a different
reason: character set conversion. File Transfer Protocol is often used to
move data from mainframe/AS400 to "other" places and FTP servers will often
have the EBCDIC/ASCII conversions built in, but only in 'ASCII' mode...
which requires record delimiters (usually LF or CRLF) to work. Since ya gots
to put in those delimiters, ya gots to put 'em 'somewhere' so why not every
80 or 128 characters?
The other format I've seen is "fixed, large record size" with one segment
per record space-padded to that length. Someone sent me one of those about
two years ago, but Ill bet it had been ten years since I'd seen it before
then.
I don't think that format has a 'sexy' name like "blocked" or "wrapped" ...
but "ugly" would be good.....
MCM
.
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