chk_dir: Check Directory Exists

In chk: Check User-Supplied Function Arguments

Check Directory Exists

Description

Checks if directory exists using

vld_string(x) && dir.exists(x)

Usage

chk_dir(x, x_name = NULL)

vld_dir(x)

Arguments

x	The object to check.
x_name	A string of the name of object x or NULL.

Value

The chk_ function throws an informative error if the test fails or returns the original object if successful so it can used in pipes.

The vld_ function returns a flag indicating whether the test was met.

Functions

• vld_dir(): Validate Directory Exists

See Also

Other chk_files: chk_ext(), chk_file()

Examples

# chk_dir
chk_dir(tempdir())
try(chk_dir(tempfile()))
# vld_dir
vld_dir(1)
vld_dir(tempdir())
vld_dir(tempfile())

chk documentation built on Sept. 11, 2024, 7:34 p.m.