DirsExist runs DirExists for multiple paths.

FileExists returns true if path exist and is a file.

FileReadLine reads the first line from a file.

FileSize returns the size of a file in Bytes.

FindFileInParentDirs finds a directory that contains filename.

FindFilesInSubDir returns all directories that contain filename that are in searchDir.

IsDir returns true if the path is a directory.

IsFile returns true if path is a file.

IsRegularFile returns true if path is a regular file.

Mkdir creates recursively directories.

PathsJoin returns a list where all paths in relPaths are prefixed with rootPath.

SameFile calls os.Samefile(), if one of the files does not exist, the error from os.Stat() is returned.