java - How do I use special characters in a dot file node_id? -

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i looking forward write script automatically take input file , declare nodes , edges, , produce graph can visualized in visualization software.

i tried dot language , graphviz. language uses grammar declare nodes of graph this: node1;, node2; , not allow special character except _.

it works in cases when want declare node named java.lang.object shows grammatical error because of presence of . , can't change grammar.

can me suggestion other language can take input text file , can draw graph on visualization software.

that's quite easy in graphviz, put quotes around node names. or may define first node using simple identifier , label attribute.

both techniques demonstrated here:

digraph g {   "java.lang.object" -> "my.class";   "my.class" -> "special < chars >";   n1 [label="more.strange<node>names"];   "special < chars >" -> n1; }

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