Read write xml

Hi I am not able to read and write and search to xml file with given below format. I tried and plays in many way but invain. Any body who can help me in that regard. AAA Server Serv1_Mod1_Fil1 Serv1_Mod1_Fil2 Serv1_Mod1_Fil3 R:E Serv1_Mod2_Fil1 Serv1_Mod2_Fil2 Serv1_Mod2_Fil3 2AAA Server Ser2_Mod1_Fil1 Ser2_Mod1_Fil2 Ser2_Mod1_Fil2 2R:E Ser2_Mod2_Fil1 Ser2_Mod2_Fil2 Ser2_Mod2_Fil3 Please help me out to continue with my work. BR/ TS