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From: carl@CitHex.Caltech.Edu
Newsgroups: mod.computers.vax
Subject: Re(2): An easy (?) way to find out the maximum record size of a file
Message-ID: <861201124830.02e@CitHex.Caltech.Edu>
Date: Mon, 1-Dec-86 15:48:30 EST
Article-I.D.: CitHex.861201124830.02e
Posted: Mon Dec  1 15:48:30 1986
Date-Received: Tue, 2-Dec-86 08:14:57 EST
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In Jerry's response to the request for an easy way to find the length of the
longest record in a file, he neglected to point out that the fields MRZ and LRL
are found in the File Header Characteristics XAB (XABFHC), rather than in the
File Attributes Block (FAB).  According to the RMS manual, the LRL field is
meaningful only for sequential files, but it would appear that it corresponds
to the field named F$RSIZ on page 67 of the 1978 version of DEC's Files-11
On-Disk Structure documentation, in which case it is the length of all records
for fixed-record-length files, and to the length of the longest record for
variable-record-length files.