awk解析xml详解程序员

?xml version="1.0"?> 
<system> 
   <machine name="web01" > 
         <server name="log_collect"> 
            <processes>1</processes> 
            <threads>1</threads> 
            <options>-t1 </options> 
            <desc/> 
         </server> 
         <server name="dcs_fresh"> 
            <processes>1</processes> 
            <threads>1</threads> 
            <options>-a192.168.1.1</options> 
            <desc/> 
         </server> 
   </machine> 
   <machine name="web02"> 
         <server name="log_collect"> 
            <processes>2</processes> 
            <threads>2</threads> 
            <options>-t2 </options> 
            <desc/> 
         </server> 
         <server name="dcs_fresh"> 
            <processes>2</processes> 
            <threads>2</threads> 
            <options>-a192.168.1.2</options> 
            <desc/> 
         </server> 
   </machine>

BEGIN{FS="[<>/"]"} 
/machine name/{a=$3} 
/server name/{b=$3} 
/>.*</{c=c?c" "$3:$3} 
/<//server>/{print a" "b" "c;b=0;c=0}

[[email protected]:~/shell/monitor]>>awk -f xml.awk xml 
web01 log_collect 1 1 -t1  
web01 dcs_fresh 1 1 -a192.168.1.1 
web02 log_collect 2 2 -t2  
web02 dcs_fresh 2 2 -a192.168.1.2