envvar_get_uuid()
gets a UUID from an environment variable
Usage
envvar_get_uuid(x, default = NULL, validate = NULL, warn_default = TRUE)
Arguments
- x
String containing an environment variable name
- default
Optional default value if the environment variable is not set
- validate
Optional function that checks a value for validity
- warn_default
Show a warning if the default value is used
(default: TRUE
)
Value
An object of the class "UUID"
representing a vector of UUIDs.
Examples
# Get a file path and make sure it exists
envvar_set("DEMO_GUID" = "d647f20f-c44c-4914-8255-9eca97150d4c")
envvar_get_uuid("DEMO_GUID")
#> UUID: d647f20f-c44c-4914-8255-9eca97150d4c