networkx.write_weighted_edgelist

write_weighted_edgelist(G, path, comments='#', delimiter=' ')

Write graph G as a list of edges with numeric weights.

Parameters:

G : graph

A NetworkX graph

path : file or string

File or filename to write. Filenames ending in .gz or .bz2 will be compressed.

comments : string, optional

The character used to indicate the start of a comment

delimiter : string, optional

The string used to separate values. The default is whitespace.

See also

read_edgelist, write_edgelist, write_weighted_edgelist

Examples

>>> import sys
>>> G=nx.Graph()
>>> G.add_edge(1,2,weight=7)
>>> nx.write_weighted_edgelist(G,sys.stdout)
1 2 7