Re: Parsing error ? with addref

Rich Shepard writes:
 >    As far as the keyword order is concerned, that's a PostgreSQL thing. Rows
 > (tuples) are returned from a query in no particular order. Unless the query
 > has an ORDERED BY clause, we'll see this every time. It's not any sort of a
 > bug or issue of concern.
 > 

This is correct. It applies to all database engines as the SQL
standard does not mandate a particular order of the returned datasets
unless the ORDERED BY clause is used. RefDB does not use this clause
here as the order of keywords is not relevant in RIS. It uses the
clause for author names as their order in the RIS dataset is relevant.

 > the name. What I don't see in your command line is the option to write the
 > returned records to a file, e.g., '-o hereiam.ris'. I wonder if you'll see
 > the same output in a file that you see on screen,
 > 

The output is the same except for the summary which is sent to
stderr. You see it on the screen as it displayes both stuff sent to
stdout (the data) and to sterr (the summary). If you send the output
to a file, it will contain the part sent to stout only.

 > > The problem is the following keyword section
 > >
 > > KW  - l
 > >> KW  - m
 > >> KW  - o
 > >> KW  - ld
 > >> KW  - h
 > >> KW  - æ
 > >> KW  - Cædmon
 > 
 > > These are all unique keywords drawn from other entries in the original
 > > RIS file. They show up multiple times in the refdb generated ris files.
 > 

This is caused by the automatic keyword scan which is turned on by
default. RefDB scans the titles and abstracts of new entries for
keywords already known to the database. This is a very useful feature
in most cases. However, if you indeed use single-letter keywords, the
purpose of the automatic keyword scan is pretty much defeated as
almost all entries will end up containing these keywords. If having
single-letter keywords is indeed useful and necessary for you, you
should switch off the automatic keyword scan by setting

keyword_scan f

in /usr/local/etc/refdb/refdbrc.

BTW the RefDB handbook contains a section called "Input data mangling"
which explains how RefDB may alter your data.

regards,
Markus

-- 
Markus Hoenicka
[email protected]
(Spam-protected email: replace the quadrupeds with "mhoenicka")
http://www.mhoenicka.de


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