DirectoryExists checks if the specified directory exists.

FileExists checks if the specified file exists.

IsDirectory returns true if the specified path is a directory.

IsFile returns true if the specified path is a file.

MustNewTempFileWithContent creates an TempFile with the given content, and panics if error occurred.

NewTempFile creates an TempFile.

PathExists checks if a specified path exists.

ReadFileText behaves like Go's ioutil.ReadFile, but returns a string instead.

TempFile helps you create and remove an temporary file.