This function reads a Newick style tree from file.
read.newick(file="", text, ...)
name of text file with single Newick style tree or multiple trees, one per line.
character string containing tree.
optional arguments to be passed to scan. Note that if the arguments sep or what are supplied this could generate an error. Useful optional arguments might include skip (number of lines to skip) and nlines (number of lines to read).