igraph (version 1.0.0)

read_graph: Reading foreign file formats

Description

The read_graph function is able to read graphs in various representations from a file, or from a http connection. Currently some simple formats are supported.

Usage

read_graph(file, format = c("edgelist", "pajek", "ncol", "lgl", "graphml",
  "dimacs", "graphdb", "gml", "dl"), ...)

Arguments

file
The connection to read from. This can be a local file, or a http or ftp connection. It can also be a character string with the file name or URI.
format
Character constant giving the file format. Right now as_edgelist, pajek, graphml, gml, ncol, lgl, dimacs and graphdb are supported, the default is
...
Additional arguments, see below.

Value

  • A graph object.

Details

The read_graph function may have additional arguments depending on the file format (the format argument). See the details separately for each file format, below.

See Also

write_graph