JSP Shell Script Output (All At Once Vs Line By Line)

I have no problem calling a shell script and then displaying that output on a web page.
However, I would like to display the output as the script executes (I want to print the output line by line as it happens), rather than waiting for the script to completely finish and then display the whole output all at once. The script checks a large database and takes about 10 minutes to run. I don't want to stare at a blank screen during that time, but of course want to watch it's progress on the display (when I run the script directly I print out status to the screen).
Can someone point me in the right direction on how to do this?
-jsaspo

Bump...
Anyone?

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Ilmari Aalto wrote:
Hi Darth,
Thanks for your hint! Nevertheless I think it's something more profound, since there's no error etc. For example, should I have the path wrong I assume that OWB would return me some kind of an error when it doesn't find the .sh-file? Isn't there any log-file to see whether the command was executed? It seems like the execution of the User Defined element would be skipped altogether.
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#!/bin/zsh
color-usage() {
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Hello,
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Here is the code.
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                processCommands.add(processorString);
                processCommands.add(dropboxString);
                processCommands.add(name);
                for (String string : processCommands)
                    System.out.print(string + " ");
                System.out.println("");
                ProcessBuilder processor = new ProcessBuilder();
                processor.command(processCommands);
                Process ProcessPdf = null;
                ProcessPdf = processor.start();
                ProcessPdf.waitFor();
                int exitValue = ProcessPdf.exitValue();
                System.out.println("Exit Value: " + String.valueOf(exitValue));The input I am working with is:
//home//adynammic//userfiles//demo//dropbox//process.sh
//home//adynammic//userfiles//demo//dropbox
s5.pdf
The shell script even runs from the command line with all the extra slashes. I am running an Ubuntu system if that helps.
Your help is greatly appreciated,
Chem E

There are a number of things that can be going wrong.
First, get rid of the extra slashes. They're probably not causing a problem, but there's no need for them, and we might as well eliminate that variable.
Is that shell script executable by the user that's running your Java code?
Does the shell script start with a line like
#!/bin/shwhere /bin/sh is the full path to a valid shell such as bash, zsh, tcsh, etc.?
Is that shell listed in /etc/shells?
(Yes, I know, since it works from the command line, this stuff shouldn't be an issue, but, again, let's eliminate variables, just to be sure.)
Does that script assume some environment variables or pwd that might not be present when running from your Java code?
Which of those 3 commands gives the exit status of 2? Start with just one of them, and don't add the others until you get that one working.

Admin privileges without 'do shell script'

I'm trying to copy a file (actually an application bundle) to a non-administrator user's Applications folder. The message is "The operation could not be completed because you do not have enough access privileges". This has worked in the past, however.
If I do the copy manually I get the standard "The Finder requires that you type your password" message.
I prefer not to use a shell script because I then have other problems, also concerning privileges or ownership, as I recall. Is there a way to do the equivalent of "with administrator privileges" in the copy below?
-- mypath has been set to the folder containing both the script and file/folder to be copied.
try
tell application "Finder"
activate
if exists folder "Images" of folder "Applications" of folder ¬
"Operator" of folder "Users" of startup disk then
select file "Bundle" of folder "R" of folder myPath
copy selection to folder "Images" of folder "Applications" of folder ¬
"Operator" of folder "Users" of startup disk
else
display dialog "(Couldn't find folder Images)"
end if
end tell
G4 Mac OS X (10.4.2)

As for privileges, try running a blank do shell
script "" with administrator privileges on the
line just before your copy/duplicate.
Thanks, but the only change is that now the message now says, "Finder got an error: a privilege violation occurred."
I had actually done a shell script with admin privileges in the same Applescript, so I'm surprised this change had any effect.
I'm working on software that used to run on OS 9, and it is a gross understatement to say that working with OS X's implementation of ownership and permissions has been a nightmare for me.

JSP Shell Script Output (All At Once Vs Line By Line)

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