> g <- erad.graph("file", format="ncol", directed=TRUE, weight=TRUE)
> l <- get.shortest.paths(g, 0, to=V(g), mode=c("out"))
> E(g, path=l[2])$weight
> (list) object can't be coerced to type 'double' # the error

Use E(g, path=l[[2]])
Note the double square brackets.

-- 
T.


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