# write.tree

From ape v2.1-1
0th

Percentile

##### Write Tree File in Parenthetic Format

This function writes in a file a tree in parenthetic format using the Newick (also known as New Hampshire) format.

Keywords
manip, IO
##### Usage
write.tree(phy, file = "", append = FALSE,
digits = 10)
##### Arguments
phy
an object of class "phylo".
file
a file name specified by either a variable of mode character, or a double-quoted string; if file = "" (the default) then the tree is written on the standard output connection (i.e. the console).
append
a logical, if TRUE the tree is appended to the file without erasing the data possibly existing in the file, otherwise the file (if it exists) is overwritten (FALSE the default).
digits
a numeric giving the number of digits used for printing branch lengths.
##### Details

The node labels and the root edge length, if available, are written in the file.

##### Value

• a vector of mode character if file = "", none (invisible NULL') otherwise.

##### References

Felsenstein, J. The Newick tree format. http://evolution.genetics.washington.edu/phylip/newicktree.html

Olsen, G. Interpretation of the "Newick's 8:45" tree format standard. http://evolution.genetics.washington.edu/phylip/newick_doc.html

read.tree, read.nexus, write.nexus`