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I'm trying to implement dynamic class loading using: Class.forName(className, true, Thread.currentThread().getContextClassLoader()); Class A (which is a jar file residing in the /jre/lib/ext dir ) that I'm loading extends class B (which is packaged as a separate package with the main...

I've a got a SUN package that uses a preremove script. Now I want to write a patch that overrides this script. How can I go about doing this??

I have a bunch of variables set as: x=1 y=2 z=3 Then I export each one: export x export y export z Is there a neater way of doing this???

I've got a .sh script that uses various functions within it. It looks something like this: x="text.sh $a" function run ( a=1 exec $x ) run When I run the script, the script complains that $a is empty. Why does the value of '1' not get passed when $x is executed???

I'm using ksh with the following script snippet: SERVER_PREFIX=&quot;Server:&quot; read role <someFile name=${role}#$SERVER_PREFIX} This works fine but when I run it in Bourne shell, I get an error.. 'bad subsitution' for the last line of script. Does anyone know what the correct syntax is?

Hi, I've got a Bourne .sh script that has a while do loop. Pseudo code as follows: x=0 while x<10 do echo x x=x+1 done echo &quot;last value of x is $x&quot; The last echo statement returns 0. Is there a way to get the value of x from the last invocation of the while loop i.e x=9???

How do I read an xml file that has been compressed with Unix gzip? I tried using GZIPInputStream but I get errors relating to &quot;unsupported five or six byte UTF-8 sequence&quot;.

I need to schedule a couple of tasks at different intervals. Would I need to create 2 separate TimerTask tasks to achieve this, each with its own run() method? Many thx.

How do I use Java to search for files with a specific file name format: e.g X20030120-0000-0000-0000-0000_XXXX Thx.

Is there a Solaris command to list out system info such as the CPU speed, memory size, hard disk capacity of a particular machine?

How do I go about writing a program to time the creation of a process and a thread? I need to be able to illustrate that the time to create a thread is less than that for a process - or vice versa.

Is there a way of using Unix scripting to measure the time taken to perform the following in Unix: 1. Mode switch 2. Process/Context switch

I need to write a couple of Unix scripts to measure the time to create a process and a thread in Unix. How may I go about this?

I'm trying to do something like this: 1. Get today's date: lets say Jan 1, 2003 2. todayDate.add(Calendar.Date, -1); 3. The return output is: yy - 2003 mth - Jan dd - 31 I'm expecting the new date to be Dec 31, 2002. What went wrong?

Using ksh, how would I do the following within a script: 1. Check for existence of a file 2. If file exists, do some other tasks. At the same time as these tasks are being done, continually rpt step 1. As soon as step 1 detects that file does not exist, quit from script immediately. If and when...

How I do the following in Solaris: 1. Check to see of environ. variable $TAPE is set. 2. If it is not, then set it to /dev/rmt/0n 3. If it is set, then dont do anything.

Is it possible to use 'tar' to only create an archive with directories - no files belonging to these dirs.? I basically only want to save the dir. structure without the files.

How I do find only directories (not files) that are soft links using the find command?

I need to be able to backup JUST the file system's directory structure (not files e.g only /usr /opt) via cpio and also to save a copy to a flat file. How do I deal with soft links? This is important since when I do the restore via cpio, I want to be able to recreate the directories and also...

I have a Unix script which invokes many other scripts in parallel in the background. Is there a way to find out the exit status for each of these other scripts? May be thru its PID?