java代码中执行liunx命令

public static String runShell(String command){
try{
String[] commands = isLinux()?new String[]{"/bin/sh","-c",command}:new String[]{"cmd","/c",command};
Process process = Runtime.getRuntime().exec(commands);
InputStreamReader ir = new InputStreamReader(process.getInputStream());
LineNumberReader input = new LineNumberReader(ir);
String ln;
StringBuilder result = new StringBuilder();
while ((ln = input.readLine()) != null){
result.append(ln);
result.append("\n");
}
input.close();
ir.close();
return result.toString();
}
catch(Exception e){
e.printStackTrace();//log
return null;
}
}
public static boolean isLinux(){
String os = System.getProperty("os.name").toLowerCase();
if(null != os && os.contains("windows")){
return false;
}
return true;
}

 

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public static String runShell(String command){

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    try{

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        String[] commands = isLinux()?new String[]{"/bin/sh","-c",command}:new String[]{"cmd","/c",command};

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        Process process = Runtime.getRuntime().exec(commands);          

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        InputStreamReader ir = new InputStreamReader(process.getInputStream());

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        LineNumberReader input = new LineNumberReader(ir);

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        String ln;

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        StringBuilder result = new StringBuilder();

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        while ((ln = input.readLine()) != null){           

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            result.append(ln);

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            result.append("\n");                       

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        }

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        input.close();

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        ir.close();

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        return result.toString();           

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    }

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    catch(Exception e){

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        e.printStackTrace();//log

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        return null;

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    }       

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}

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public static boolean isLinux(){

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    String os = System.getProperty("os.name").toLowerCase();

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    if(null != os && os.contains("windows")){

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        return false;

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    }

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    return true;

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}

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