detect whether file is empty recursively

Usage

empty_file(path, strict = FALSE)

Arguments

path: the path of file
strict: FALSE as default. If TRUE, a file with only one character of length 0 will be considered as not empty

Value

logical value

Examples

# create an empty directory
dir.create("some/deep/path/in/a/folder", recursive = TRUE)
empty_dir("some/deep/path/in/a/folder")
#> [1] TRUE

# create an empty file
file.create("some/deep/path/in/a/folder/there_is_a_file.txt")
#> [1] TRUE
empty_dir("some/deep/path/in/a/folder")
#> [1] FALSE
empty_file("some/deep/path/in/a/folder/there_is_a_file.txt", strict = TRUE)
#> [1] TRUE

# create a file with only character of length 0
write("", "some/deep/path/in/a/folder/there_is_a_file.txt")
empty_file("some/deep/path/in/a/folder/there_is_a_file.txt", strict = TRUE)
#> [1] FALSE
empty_file("some/deep/path/in/a/folder/there_is_a_file.txt")
#> [1] TRUE

# clean
unlink("some", recursive = TRUE)