is_abs_path: Test if paths are relative or absolute

In xfun: Supporting Functions for Packages Maintained by 'Yihui Xie'

Test if paths are relative or absolute

Description

On Unix, check if the paths start with ‘/’ or ‘~’ (if they do, they are absolute paths). On Windows, check if the paths start with a drive letter (e.g., ‘C:’), a (back)slash (e.g., ‘/foo’), a UNC prefix (e.g., ‘\\host\share’), or ‘~’.

Usage

is_abs_path(x)

is_rel_path(x)

Arguments

x	A vector of paths.

Value

A logical vector.

Examples

xfun::is_abs_path(c("C:/foo", "foo.txt", "/Users/john/", tempdir()))
xfun::is_rel_path(c("C:/foo", "foo.txt", "/Users/john/", tempdir()))

xfun documentation built on Oct. 16, 2026, 9:06 a.m.