GetOptions              Wrapper of the Perl module 'Getopt::Long' in R
GetoptLong              Wrapper of the Perl module 'Getopt::Long' in R
GetoptLong.options      global options for 'GetoptLong'
get_scriptname          full path of current script
qq                      Simple variable interpolation in texts
qq.options              Global options for 'qq' related functions
qqcat                   Print a string which has been intepolated with
                        variables
