assertions-file {assertthat} | R Documentation |
Useful test related to files
is.dir(path) is.writeable(path) is.readable(path) has_extension(path, ext)
path |
a file path to examine |
ext |
extension to test for ( |
see_if(is.dir(1)) tmp <- tempfile() see_if(file.exists(tmp)) see_if(is.dir(tmp)) writeLines("x", tmp) see_if(file.exists(tmp)) see_if(is.dir(tmp)) see_if(is.writeable(tmp)) see_if(is.readable(tmp)) unlink(tmp) see_if(is.readable(tmp))