Hi all
I have records where I have multiple 020's but one is just $a and the other has $a and a $q.
For example:
=020 \\$a1859733697$qpbk.
=020 \\$a1859733646$qcased
=020 \\$a1859733697
I want to have just:
=020 \\$a1859733697$qpbk.
=020 \\$a1859733646$qcased
I cannot simply delete all the 020 tags that just have a $a subfield because some records look like this:
=020 \\$a033520676X
=020 \\$a0335206751$qpbk.
In this example I want to keep both 020's
Can anyone think of a combination of steps or regular expressions that can achieve this?
Thanks in advance.
Bill Constantine
Manager – Electronic Resources and Data Quality, Library
UNSW AUSTRALIA
UNSW SYDNEY NSW 2052 AUSTRALIA
T: +61 (2) 9385 3798
E: [log in to unmask]
W: unsw.edu.au
CRICOS Provider Code. 00098G
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