oclc_classify_link_from_standard_num {libbib}

Get OCLC Classify link from a standard number

Description

Takes a string representation of ISSNs, ISBNs, UPC, or OCLC numbers. Returns a link to the OCLC's experimental classify service which provides the most frequent call numbers, FAST subject headings, etc...

Usage

oclc_classify_link_from_standard_num(x)

Arguments

x

A string (or vector of strings) of a standard number. Must be an ISSN, ISBN, UPC, and/or OCLC numbers.

Details

Since this can take a variety of standard numbers, no normalization can be performed. The numbers much be normalized before the call to this function. No validity check on the URL is performed

Value

Links to OCLC's Classify web service

Examples

oclc_classify_link_from_standard_num("629725006")
# "http://classify.oclc.org/classify2/ClassifyDemo?search-standnum-txt=629725006&startRec=0"

oclc_classify_link_from_standard_num(c("039333712X", NA, "629725006"))
# [1] "http://classify.oclc.org/classify2/ClassifyDemo?search-standnum-txt=039333712X&startRec=0"
# [2] NA
# [3] "http://classify.oclc.org/classify2/ClassifyDemo?search-standnum-txt=629725006&startRec=0"