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Edit File: delmulti
/* create a copy of the input graph with no multiedges */ BEG_G { graph_t g = graph ("merge", "S"); } E { int wt; node_t h = node(g,$.head.name); node_t t = node(g,$.tail.name); edge_t e = isEdge(t,h,""); wt = $.weight; if (wt <= 0) wt = 1; if (e) { e.weight = e.weight + wt; } else if (h != t) { e = edge(t,h,""); e.weight = wt; } } END_G { fwriteG(g,1); }