Java Execute Linux command

1  Public classStreamgobblerextendsThread {2       3 InputStream is; 4 String type; 5   6      PublicStreamgobbler (InputStream is, String type) {7          This. is =is ; 8          This. Type =type; 9     }  Ten    One      Public voidrun () { A         Try {   -InputStreamReader ISR =NewInputStreamReader (IS);  -BufferedReader br =NewBufferedReader (ISR);  theString line =NULL;  -              while(line = Br.readline ())! =NULL) {   -                 if(Type.equals ("Error")) {   -System.out.println ("Error:" +Line );  +}Else {   -System.out.println ("Debug:" +Line );  +                 }   A             }   at}Catch(IOException IoE) { - Ioe.printstacktrace ();  -         }   -     }   -}

1 Private voidShell (String cmd)2     {3String[] Cmds = {"/bin/sh", "-C", cmd};4 process process;5 6         Try7         {8Process =runtime.getruntime (). exec (CMDS);9 TenStreamgobbler Errorgobbler =NewStreamgobbler (Process.geterrorstream (), "Error"); OneStreamgobbler Outputgobbler =NewStreamgobbler (Process.getinputstream (), "Output"); A Errorgobbler.start (); - Outputgobbler.start (); -             Try the             { - process.waitfor (); -             } -             Catch(interruptedexception e) +             { - e.printstacktrace (); +             } A         } at         Catch(IOException e) -         { - e.printstacktrace (); -         } -}

The parameter cmd is the Linux command. Only one command can be executed at a time.

1. Java runtime.exec () Considerations

• Always read the data stream before calling the WAITFOR () method
• Always read from the standard error stream before reading the standard output stream

2. The best way to execute a system command is to write a bat file or a shell script.

Resources:

Note reference:

http://blog.csdn.net/flying881114/article/details/6272472

Http://blog.csdn.net/westwin/archive/2005/04/22/358377.aspx

Http://blog.csdn.net/moreorless/archive/2009/05/15/4182883.aspx

Shell Script Reference:

Http://blog.csdn.net/HEYUTAO007/archive/2010/06/30/5705499.aspx

Java Execute Linux command