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[英]Issue with ProcessBuilder to start a shell script and pass argument from String
[英]How to pass a string variable as a shell script argument?
我有字符串變量作為
String var1 = "I am"
String var2 = "here"
String cmd = ("sh /path/shell.sh \""+var1+"\" \""+var2);
Runtime rt = Runtime.getRuntime();
rt.exec(cmd);
但是,當我從shell腳本執行echo $1 $2
,我得到的是I am
的輸出。 為什么引號無效?
您將需要如下調用該命令:
Process process = new ProcessBuilder().command("sh", "/path/shell.sh", var1, var2);
Scanner scan = new Scanner(process.getInputStream());
while(scan.hasNextLine()) {
//...
}
//...
scan.close();
process.destroy();
您可能還希望將其包裝在try-catch
塊中。
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