java - How to do a search between a range offsets in a Binary file? -


i'm trying search between range of offsets in binary file. have loaded bin file byte array[] , encoded content string, later use search of string sequence. thing need search in range of offset input (start , ending)... , search differents string sequences, printing gives me this:

0x180 30 0x240 17 0x350 30 0x464 30 0x650 17

right i'm getting sequences 30 themselves.

this code:

byte[] model = read.readbytesfromfile();  string x = hexbin.encode(model); string v30 = "05805a6c"; string v17 = "0580336c";  string beg = txtbeg.gettext().tostring(); int beg2 = integer.parseint(beg); int start = (model.length + beg2) - model.length;  string end = txtend.gettext().tostring(); int end2 = integer.parseint(end); int ending = (model.length + end2) - model.length;  int index = 0;  if (x.contains(v30) {      if (cbxver.isselected()) {         while ((index = x.indexof(v30, index)) != -1) {             system.out.println("0x" + (integer.tohexstring((index / 2) + 4)) + " 30");             index = index + 2;         }      } } else {     joptionpane.showmessagedialog(rootpane, "wrong file"); }


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