Assessment and Cataloging

convert_to_isbn_13

R Documentation

Convert ISBN 10 to ISBN 13

Description

Takes a string representation of an ISBN 10 and converts it to an ISBN 13.

Usage

convert_to_isbn_13(x, skip.validity.check = FALSE, errors.as.nas = FALSE)

Arguments

`x`	A string of 10 digits or 9 digits with terminal "X"
`skip.validity.check`	Skip the checking for whether the ISBN 10 is valid (default is `FALSE`)
`errors.as.nas`	return NA if error instead of throwing error (default is `FALSE`)

Value

Returns ISBN 13 as a string

Examples


convert_to_isbn_13("012491540X")                # 9780124915404

# vectorized
convert_to_isbn_13(c("012491540X", "9004037810"))
# "9780124915404" "9789004037816"

NYPL/libbib documentation built on Feb. 6, 2024, 4:19 a.m.