Validate if the provided path has required extension
Usage
isFileExtension(file, extension)
validateIsFileExtension(file, extension)
Arguments
- file
A name of the file or full path.
- extension
A required extension of the file.
Value
isFileExtension() returns TRUE if the file name (or full path) includes
the extension.
If validations are successful, validateIsFileExtension() returns NULL.
Otherwise, error is signaled.
Examples
isFileExtension("enum.R", "R") # TRUE
#> [1] TRUE
isFileExtension("enum.R", "pkml") # FALSE
#> [1] FALSE
validateIsFileExtension("enum.R", "R") # NULL
#> NULL
# validateIsFileExtension("enum.R", "pkml") # error