Man pages for assertive.files
Assertions to Check Properties of Files

as.character.fileConvert file connections to strings
is_connectionIs the input a connection?
is_dirIs the path a directory? Checks to see if the input path is a...
is_empty_fileIs a file too big or small?
is_executable_fileIs the file accessible?
is_existing_fileDoes the file exist?
is_libraryIs the directory a known R library?
assertive.files documentation built on May 30, 2017, 4:37 a.m.