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The Java Developers Almanac 1.4Order this book from Amazon. |
e89. Executing a CommandSee also e90 Reading Output from a Command.try { // Execute a command without arguments String command = "ls"; Process child = Runtime.getRuntime().exec(command); // Execute a command with an argument command = "ls /tmp"; child = Runtime.getRuntime().exec(command); } catch (IOException e) { }If an argument contain spaces, it is necessary to use the overload that requires the command and its arguments to be supplied in an array: try { // Execute a command with an argument that contains a space String[] commands = new String[]{"grep", "hello world", "/tmp/f.txt"}; commands = new String[]{"grep", "hello world", "c:\\Documents and Settings\\f.txt"}; Process child = Runtime.getRuntime().exec(commands); } catch (IOException e) { }
e91. Sending Input to a Command
© 2002 Addison-Wesley. |