File Program in C

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digraph _OP_control_flow {
	graph [center=true,
		epsilon=".000001",
		pack=true,
		rankdir=LR,
		ratio=compress,
		sep=".5",
		size="5.83,8.27",
		splines=true
	];
	node [fillcolor="#fff9f9",
		shape=doublecircle,
		style=filled
	];
	B02	 [fillcolor="#fff3f3",
		shape=circle];
	B01 -> B02;
	B03	 [shape=circle];
	B02 -> B03;
	B04	 [shape=circle];
	B03 -> B04;
	B05	 [fillcolor="#ffecec",
		shape=circle];
	B04 -> B05;
	B06	 [shape=circle];
	B05 -> B06;
	B07	 [fillcolor="#ffe6e6",
		shape=circle];
	B06 -> B07;
	B08	 [shape=circle];
	B07 -> B08;
	B09	 [fillcolor="#ffecec",
		shape=circle];
	B08 -> B09;
	B10	 [shape=circle];
	B09 -> B10;
	B11	 [fillcolor="#ffa0a0",
		shape=circle];
	B10 -> B11;
	B12	 [fillcolor="#ffe0e0",
		shape=circle];
	B11 -> B12	 [label="{5}"];
	B14	 [fillcolor="#ffa0a0",
		shape=circle];
	B11 -> B14	 [label="{4}"];
	B13	 [fillcolor="#ffc0c0",
		shape=circle];
	B12 -> B13	 [label="{5}"];
	B13 -> B14	 [label="{5}"];
	B15	 [fillcolor="#ffe6e6",
		shape=circle];
	B14 -> B15;
	B16	 [fillcolor="#ffcccc",
		shape=circle];
	B15 -> B16;
	B17	 [fillcolor="#ff4d4d",
		shape=circle];
	B16 -> B17	 [label="{4}"];
	B21	 [fillcolor="#ffcccc",
		shape=circle];
	B16 -> B21	 [label="{3}"];
	B18	 [fillcolor="#ff0000",
		shape=circle];
	B17 -> B18	 [label="{10}"];
	B19	 [fillcolor="#ffc0c0",
		shape=circle];
	B17 -> B19	 [label="{10}"];
	B17 -> B21	 [label="{4}"];
	B18 -> B19	 [label="{4}"];
	B20	 [fillcolor="#ffb3b3",
		shape=circle];
	B18 -> B20	 [label="{6}"];
	B20 -> B19	 [label="{6}"];
	B22	 [shape=circle];
	B21 -> B22;
	B23	 [shape=circle];
	B22 -> B23;
	B24	 [fillcolor="#ffecec",
		shape=circle];
	B23 -> B24;
	B25	 [fillcolor="#fff3f3",
		shape=circle];
	B24 -> B25;
	B26	 [fillcolor="#ff8080",
		shape=circle];
	B25 -> B26;
	B27	 [fillcolor="#ffc0c0",
		shape=circle];
	B26 -> B27	 [label="{5}"];
	B29	 [fillcolor="#ffc0c0",
		shape=circle];
	B26 -> B29	 [label="{4}"];
	B28	 [fillcolor="#ffe0e0",
		shape=circle];
	B27 -> B28	 [label="{5}"];
	B28 -> B29	 [label="{5}"];
	B30	 [shape=circle];
	B29 -> B30;
	B31	 [fillcolor="#fff3f3",
		shape=circle];
	B30 -> B31;
	B32	 [shape=circle];
	B31 -> B32;
	B32 -> B33;
}



This is .txt file, i want a c program to take the two string one before and one after this -> string from the whole file,concatenate them and store it in an array.

Can any one help with this..
Since this is in Unix section, why don't you look up the grep command and some output redirection which should do this for you
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