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Processing Codes Reference
S n-m
process only Subfields n to m
Description:
This code limits the processing of other codes to the "subfields" specified by 'n'
and 'm', for the current field only. This is useful if you do not wish to apply some
processing to all subfields, just a subset of them.
Notes:
By default, processing is performed on all subfields. Once the "S n-m" code is
encountered, processing is limited just to the subfields specified. Note that the
next field processed is not affected by this code.
The "-m" is optional. If you only specify "n", only that subfield will be processed
(see Example 2). If you specify "n-" (no ending subfield number), then all
subfields starting with 'n' will be processed.
The "S n-m" code has a special effect on the "F 'fieldname'" and "F fieldnum"
codes, in that rather than the whole input field being drawn in, only the subfields
specified will be included (see Example 3). This feature can be more easily
accomplished with the newer F'fieldname5(n-m)' code.
The word “subfield” was misunderstood by the author when The Data Magician
was created. It was used to refer to a multiple occurrences of a field, as opposed
to a part of a field (as it does in MARC).
1)
2)
3)
4)
Examples:
1)
Before:
Codes:
2)
3)
Comments
DOGS5ANIMALS5POODLE
S 2-3 L P1
After:
DOGS5Animals5Poodle
put subfields 2-3 in
lowercase
and capitalize 1st letter
Before:
Codes:
After:
Z/22.7/.89/198653/4" tape
s 1 s"/" "
Z 22.7 .89 198653/4" tape
Convert slash to space only
on first subfield
Input Field "Imprint": Toronto5McGraw-Hill51986
"PUBLISHER" Before:
Codes:
S2 F"IMPRINT"
"PUBLISHER" After: McGraw-Hill
We only want to get the
publisher name
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