charzero_as_empty {RNeXML}

Treats zero-length character vectors as empty strings

Description

If the argument is a zero-length character vector (character(0)), returns an empty string (which is a character vector of length 1). Otherwise passes through the argument.

Usage

charzero_as_empty(x)

Arguments

x

the object to be tested for zero-length character vector

Value

an empty string if x is a character vector of length zero, and x otherwise