[Isis-users] Z49.50 and conversion tables

[Piet De Keyser]

Dear colleagues,


When you import records using Z39.50 ABCD works fine; also if you are using a conversion table. But: if you import MARC records there may be a problem when you are using a conversion table, i.e. leading spaces are deleted (not when you are NOT using a conversion table: then the leading space are kept). The thing is that leading spaces have a meaning in MARC: they are empty endicators, e.g.


300:  ^a789 pages :^billustrations, ^c23 cm


In this field the two indicators stay empty, i.e. they are represented by spaces. In the next example the first one stays empty:


264: 1^aLondon :^aMacmillan,^c2009 [here only the second indicator is used, so it is important that then "1" is not moved to the first position]


In contrast to this, in the next example the two indicators are not empty:


245:12^aA new marketing strategy [etc.]


In order to keep the spaces when using a conversion table you should delete this line in the script z3950_copy.PHP:

$val=trim($val);

All this under the condition that there is no other situation where you would need to remove the leading spaces when using a conversion table. Does anyone know of such a situation? If not, it could be better to remove the code line above from the z3950_copy script permanentely in future distributions of ABCD.


Piet de Keyser
<http://www.personeel.khleuven.be/~pikey>https://personeel.ucll.be/u0082832<https://personeel.ucll.be/u0082832/>
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