パッケージ: liblibrary-callnumber-lc-perl (0.23-1)

utility functions to deal with Library-of-Congress call numbers

Library::CallNumber::LC is mostly designed to do call number normalization, with the following goals:

 * The normalized call numbers are comparable with each other, for proper
   sorting
 * The normalized call number is a short as possible, so left-anchored
   wildcard searches are possible (e.g., searching on "A11*" should give you
   all the A11 call numbers)
 * A range defined by start_of_range and end_of_range should be correct,
   assuming that the string given for the end of the range is, in fact, a
   left prefix

That last point needs some explanation. The idea is that if someone gives a range of, say, A-AZ, what they really mean is A - AZ9999.99. The end_of_range method pads the given call number out to three cutters if need be. There is no attempt to make end_of_range normalization correspond to anything in real life.

タグ: ソフトウェア開発: Perl での開発, ライブラリ, 実装言語: Perl

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