View Source Exisbn (Exisbn v0.1.0)
Documentation for Exisbn
.
Link to this section Summary
Functions
Takes an ISBN (10 or 13) and checks its validity by its check digit
Takes an ISBN 10 code as string, returns its check digit.
Takes an ISBN 13 code as string, returns its check digit.
Takes and ISBN (10 or 13) and checks its validity by checking the checkdigit, length and characters.
Link to this section Functions
Takes an ISBN (10 or 13) and checks its validity by its check digit
examples
Examples
iex> Exisbn.checkdigit_correct?("85-359-0277-5") true iex> Exisbn.checkdigit_correct?("978-5-12345-678-1") true iex> Exisbn.checkdigit_correct?("978-5-12345-678") false
Takes an ISBN 10 code as string, returns its check digit.
examples
Examples
iex> Exisbn.isbn10_checkdigit("85-359-0277") 5 iex> Exisbn.isbn10_checkdigit("5-02-013850") 9 iex> Exisbn.isbn10_checkdigit("0str") nil
Takes an ISBN 13 code as string, returns its check digit.
examples
Examples
iex> Exisbn.isbn13_checkdigit("978-5-12345-678") 1 iex> Exisbn.isbn13_checkdigit("978-0-306-40615") 7 iex> Exisbn.isbn13_checkdigit("0str") nil
Takes and ISBN (10 or 13) and checks its validity by checking the checkdigit, length and characters.
examples
Examples
iex> Exisbn.valid?("978-5-12345-678-1") true iex> Exisbn.valid?("978-5-12345-678-1") true iex> Exisbn.valid?("978-5-12345-678") false iex> Exisbn.valid?("85-359-0277-5") true iex> Exisbn.valid?("85-359-0277") false