How to run a HOST command from Report 2.5

Hello everybody,
I want to pass an unix command from a Report. I am running the report (Report 2.5) on an Unix server and I want to pass a unix host command inside the Before Report Trigger of the report. But Report2.5 is not recognising the HOST built-in. Is there is any way around?
Thank in advance.
Samujjwal Basu

First off is that openssl command correct? Should it be this instead:
openssl pkcs8 -inform der -nocrypt -in test.der -out result.pem
Try out your openssl command within a command prompt so that you know that it works ok. I think the command line you specified waits on stdin (well it does for me).
After that.....
runtime.exec creates a Process object. If you do this:
Process openssl = runtime.exec("....")
then you can examine the return code from openssl to see the exit code - for instance if the input file does not exist then exit = 1. You can test for this with Java
Alternatively you could get the stderr from the process and look inside it - if it is 0 length then all is good, if it has some text in there then it has likely failed. You could then throw an exception and include the stderr output in the exception messgae. You may need to experiment with this, runnig it first when openssl is happy then running it again when openssl is upset.
M

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How to run Unix Host commands from Database Triggers?

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I need to create few directories in the Unix O/s under a specific directory (From a Database Trigger). And the directory names will be determined in the DB Trigger based on the data.
I hope someone would have come across a requirement like this and will be able to help me out.
Thanks.
Mohan

Hi Christopher
How is it possible to use System calls from Triggers. Is it possible to use Runtime Libraries in DB Triggers.
Thanks
Mohan
<BLOCKQUOTE><font size="1" face="Verdana, Arial, Helvetica">quote:</font><HR>Originally posted by Christopher Racicot ([email protected]):
Try using the system calls available in
the C runtime library by calling an external
C procedure from the trigger. We will be
enhancing the support in UTL_FILE to address
issues like this in an upcoming release,
but for now an external procedure should
do the trick.<HR></BLOCKQUOTE>
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How to run a openssl command from a java program

Hi All
Please suggest on how to run a openssl command from a java program.
I am using this
Runtime runtime = Runtime.getRuntime();
runtime.exec("openssl pkcs8 -inform der -nocrypt test.der result.pem");
This is suppose to take test.der as input and create result.pem.
There are no errors but the file result.pem isnt created.
Thanks in Advance

First off is that openssl command correct? Should it be this instead:
openssl pkcs8 -inform der -nocrypt -in test.der -out result.pem
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M

How to run a DOS command from an Oracle form.

How can I run a DOS command from an Oracle form (i.e. open the calculator located at c:\windows\system32\calc.exe)?

first of all get the environment variable for the c:\windows\system32 direcotry for any of the windows
you can use get variable from the ora env package
now cancat the system32 variable with the calc.exe string
now pass the string with host command as parameters
this process will work for all type of windows.

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Having said that, if you were to write something sloppy like a loop (in pl/sql) which called CLIENT_HOST lots of times repeatedly, then yes there would be a performance problem because the pushing of the button will cause an exchange to and from the server and each cycle in the loop will do the same.
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Hi! Bill
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Host Commands from Java

Hello everyone,
I'm trying to run openVMS host commands via Java using the code listed below, which essentially runs the following host commands, each in turn:
terry :== "hello"
sho sym terry
sho log robin4
I've tried a few other commands as well, but the ones which assign variables (such as the terry example above), never work, either producing no output as in the example above, or if I did
define/group "hello" terry
would produce:
DCL-W-NOCOMD, no command on line - reenter with alphabetic first character
So commands that don't print anything to the screen are the ones that are causing problems (they're just setting variables or what not).
Does anyone have any ideas as to how to get these commands working via java? I really don't know what to think..I've tried checking the format of the commands I'm trying to do, and it's not down to that - the host command I'm running is right and works if done directly.
Please help! Thank you so much in advance.
Robin
import java.io.*;
public class Host {
public static void executeCommand(String command) {
String s = "hello";
String s2 = "sho log robin4";
String s3 = "assign/system "+command+"hello"+command+" robin5";
try {
String[] finalCommand;
System.out.println(System.getProperty("os.name"));
finalCommand = new String[3];
finalCommand[0] = "terry :== \"hello\"";
finalCommand[1] = "sho sym terry";
finalCommand[2] = s2;
for(int i = 0;i< finalCommand.length; i++){
// Execute the command...
final Process pr = Runtime.getRuntime().exec(finalCommand);
// Capture output from STDOUT...
BufferedReader br_in = null;
try {
br_in = new BufferedReader(new InputStreamReader(pr.getInputStream()));
String buff = null;
while ((buff = br_in.readLine()) != null) {
System.out.println("stdout: " + buff);
try {Thread.sleep(100); } catch(Exception e) {}
br_in.close();
} catch (IOException ioe) {
System.out.println("Error printing process output.");
ioe.printStackTrace();
} finally {
try {
br_in.close();
} catch (Exception ex) {}
// Capture output from STDERR...
BufferedReader br_err = null;
try {
br_err = new BufferedReader(new InputStreamReader(pr.getErrorStream()));
String buff = null;
while ((buff = br_err.readLine()) != null) {
System.out.println("stderr: " + buff);
try {Thread.sleep(100); } catch(Exception e) {}
br_err.close();
} catch (IOException ioe) {
System.out.println("Error printing execution errors.");
ioe.printStackTrace();
} finally {
try {
br_err.close();
} catch (Exception ex) {}
catch (Exception ex) {
System.out.println(ex.getLocalizedMessage());

User_resU wrote:
Hello everyone,
I'm trying to run openVMS host commands via Java using the code listed below, which essentially runs the following host commands, each in turn:
terry :== "hello"
sho sym terry
sho log robin4
1. Presumably this represents some sort of character user interface (CUI) which is console based.
finalCommand = new String[3];
finalCommand[0] = "terry :== \"hello\"";
finalCommand[1] = "sho sym terry";
finalCommand[2] = s2;
final Process pr = Runtime.getRuntime().exec(finalCommand);
2. This represents an executable to which you are passing command line arguments.
This isn't a java problem because 1 and 2 are not even close to being the same.
Java won't do anything that you cannot get the application to do itself.
Your choices:
1. Find a way to run the app such that it takes commands from a file. You put the commands in a file and pass that to exec()
2. Find a way that use stdio (the CUI might represent that but there is no guarantee.) You then use exec() to start the app then use the IO streams to pass the commands to it.
Notice that my choices do not include an option for passing as command line parameters because I am almost certain that it does not exist.

Host command in report

i want to use host command in report
but error happened
any thing instead of host

i use rep2excel
i put button in report
when a user press abutton in report appear
report in excel format
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v_cache_path varchar2(100) :='c:\Temp\';--To be changed
v_random_name varchar2(100);
v_cmd_rwrun varchar2(300);
v_cmd_rep2excel varchar2(300);
v_input_path varchar2(300) ;
v_output_path varchar2(300) ;
Begin
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into v_random_name from dual;
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Am calling the sql loader (sqlldr73) using HOST command from D2K Forms 4.5.
my code has following sequence,
<sequence of stmts 1>
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<sequence of stmts 2>
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curently the sql loader and stmts(<sequence of stmts 2>) are running parallely
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Hi,
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Regards,
Arun

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Blog: http://garethroberts.blogspot.com/

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How to run a HOST command from Report 2.5

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