Client_host('D:\ipconfig.bat');

Question

Hi dear All
Hope that you all will be at the best of your health and knowlege...
i am facing a problem while running the oracle forms on the web... i want to execute a .bat file through Client_Host command...
while i run the form locally and use the HOST command . it works ...
but when i run it through server and use Client_host ... it does not work..
kindly help me out to solve this problem... Please
i will be very thankfull to you....
My .bat file :
@echo off
echo ipconfig /all
dir d:\test_ip
Pause
I want to show all info. when ipconfig/ all...but its doesnt show.
I take a button on that button , i wriete code
host('D:\ipconfig.bat');

Answer 1

Two things; first, your batch file has to exist on the client in order to execute it on the client. Rather than install the batch file on each client, you could test if the file exists and if not, then transfer the batch file to the client and then execute it.
Second, your post states you are using *"host('D:\ipconfig.bat'):"* but yet you say you are using the WebUtil Client_Host procedure. Your code sample doesn't match your statement. ;) Are you using Client_HOST and if so, did you configure WebUtil on your Application Server? Also, as spilgrim asked, are you getting any errors in the Java Console?
As spilgrim pointed out, in order to use CLIENT_HOST, you must have configured your application server to use the WebUtil Library. Also, typical Host calls will execute and terminate. If you want the Host call to keep the Host session active, I recommend you use the following:
  Client_Host('cmd /k d:\ipconfig.bat');Again, assuming that the D:\ipconfig.bat exists on each client computer. The */k* parameter to the CMD.exe program instructs CMD to remain active; where the */c* instructs the CMD.exe program to execute and then terminate. Google CMD.exe or open a CMD window and type CMD /? to see more information on the CMD.exe parameters.
A suggestion, you might want to consider changing your batch file so it writes the output to a text file. Then read the text file into your form and present the data to your user in the Form rather than in the command window. This is a much cleaner presentation and it enables you to perform a little error checking. If the output file doesn't exist, you can display a message to your user to indiate the command failed.
Change your batch file as follows:@echo off
ipconfig /all > d:\test_ip\your_file.txtThen change your code to:
DECLARE
  b_file_exists  BOOLEAN := FALSE;
  ft_handle      Client_Text_IO.FILE_TYPE;
  CRLF           CONSTANT VARCHAR2(15) := CHR(13)||CHR(10);
  v_line         VARCHAR2(1000);
BEGIN
  Client_Host('cmd.exe /c ipconfig.bat');
  b_file_exists := WebUtil_File.File_Exists('D:\test_ip\ipconfig_output.txt');
  IF ( b_file_exits ) THEN
    --Read the contents of the file and display in the multi-line text_item.
    ft_handle := Client_Text_IO.FOpen('D:\test_ip\ipconfig_output.txt','R');
    LOOP
      BEGIN
        --Read Line from File
        Client_Text_IO.Get_Line(ft_handle, v_line);
        :YOUR_BLOCK.YOUR_ITEM := v_line||CRLF;
      EXCEPTION WHEN NO_DATA_FOUND THEN
        EXIT;
      END;
    END LOOP;
  ELSE
    MESSAGE('Command failed - File doesn''t exits');
    Message(' ');
  END IF;
END;Note: This is just sample code, it has not been tested. You will need to modify the code to suit your needs.
Hope this helps,
Craig B-)
If someone's response is helpful or correct, please mark it accordingly.