11-14-2001
A good example of what you want is at...
http://www.devdaily.com/java/edu/pj/...pj010016.shtml
...the code snippit...
...
// run the Unix "ps -ef" command
Process p = Runtime.getRuntime().exec("ps -ef");
BufferedReader stdInput = new BufferedReader(new
InputStreamReader(p.getInputStream()));
BufferedReader stdError = new BufferedReader(new
InputStreamReader(p.getErrorStream()));
// read the output from the command
System.out.println("Here is the standard output of the command:\n");
while ((s = stdInput.readLine()) != null) {
System.out.println(s);
}
// read any errors from the attempted command
System.out.println("Here is the standard error of the command (if any):\n");
while ((s = stdError.readLine()) != null) {
System.out.println(s);
}
...
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Say in unix (AIX) m/c, I am logged in with s1 user and want to start process p1 with user credentials of s2.
I can do manually in this way:
#su - s2
#enter password for s2> somePassword
$ p1
But all this I have to do through a java program. How to pass the password through program.
One... (1 Reply)
Discussion started by: shailendrat
1 Replies
2. UNIX for Dummies Questions & Answers
Having problem in connecting my gui java program to postgreaql database. I first used setenv classpath /home/share/postgresql/java/postgresql.jar:proj1, where proj1 is my folder conatining all java and class file, to set classpath. Then javac *.java. Then java proj1.Login. It gives me... (2 Replies)
Discussion started by: uci
2 Replies
3. UNIX for Dummies Questions & Answers
Hi,
I need to execute a java program in a shell script.I then need to assign the value being returned by the program into a unix variable.Is there any way i can access the value in a variable in java program?
As in if my java code has a variable,
.
.
.
.
valueA =x.getValue()
.....
can... (1 Reply)
Discussion started by: inquisitive101
1 Replies
4. Shell Programming and Scripting
Hi All,
I need to call a java method from a shell script. I know we can use the command
java ClassName
to call the main method in it. But I need to call another method that is there in the class and pass an email to it.
Can I use
java ClassName.MethodName(email)
Any help will be... (4 Replies)
Discussion started by: RahulK
4 Replies
5. Homework & Coursework Questions
Long story short: I'm working inside of a Unix SSH under a bash shell. I have to code a C program that generates a random number. Then I have to call the compiled C program with a Perl program to run the C program 20 times and put all the generated random #s into a text file, then print that text... (1 Reply)
Discussion started by: jdkirby
1 Replies
6. Shell Programming and Scripting
Hi,
I'm trying to test one unix shell script in dev environment. But I'm not sure how to pass the environment in my java program calling code. I'm trying to use -DconsumerEnv="DEV" but unfortunately I get 'null' while trying to print the value from java class.
System.out.println("Environment: "+... (4 Replies)
Discussion started by: Pramit
4 Replies
7. Shell Programming and Scripting
Hi All,
well , i am facing this problem.. i have tried a few sample codes but there isn't any solution . could anyone please give a sample code as of how to do this...
Please see the below details...and read the details carefully.
I have written some code, logic is
1)from... (4 Replies)
Discussion started by: aish11
4 Replies
8. Shell Programming and Scripting
Hi,
We are having a java server which can run on command line and once initiated, it will prompt options to enter from 0 to 5. The java program kickoff respective operation once number is entered between 0 to 5. However i want to always enter "1" and write another shell program wrapper to start... (4 Replies)
Discussion started by: surya5kn
4 Replies
9. UNIX for Dummies Questions & Answers
Hi ..
I have created a sql macro, i want to execute this through ksh in putty.ie) sql.ksh will contain the macro query ,once i call this ksh ,the macro should trigger.
I am able to write a macro : for ex:
create macro macro_name
(sel * from db_tablename)
execute macro_name.
Could... (1 Reply)
Discussion started by: Kalaiselvi66
1 Replies
10. Shell Programming and Scripting
Hi I am trying to implement one program, where JAVA needs to trigger the backend UNIX script. Tried with options like
String cmdArray = {"/bin/ksh","-c","/SCRIPT_ABSOLUTE_PATH/sampleScript.ksh /FILE_ABSOLUTE_PATH Test_File.dat TEST E SFTP"}
When I trigger the script from front end with... (1 Reply)
Discussion started by: karumudi7
1 Replies
cdsuf(1) General Commands Manual cdsuf(1)
NAME
cdsuf - read the System Use Fields from a System Use Area
SYNOPSIS
cdsuf [-s number] [-b] file
OPTIONS
The following options are available: Specifies the File Section for the System Use Area to be read. The numbering starts with one. If this
option is omitted the last File Section of that file is assumed. Copies all of the System Use Fields of the System Use Area from the CD-
ROM to standard output in binary format. The name of any file or directory within the CD-ROM file hierarchy.
DESCRIPTION
This command is used to access the System Use Fields of the System Use Area associated with a File Section of a file or directory on a Rock
Ridge formatted CD-ROM and to list its contents on standard output, following any Continuation Fields that may be present.
The output is formatted in the form of a table that contains an entry for each System Use Field in the System Use Area as recorded on the
CD-ROM. Each table entry has the fields Signature, Length, Version, and Data as specified in the System Use Sharing Protocol. If the -b
option is used, the contents of the full System Use Area are written to standard output in binary format as it is recorded on the CD-ROM.
RESTRICTIONS
The user must have read permission for file to execute the command successfully.
EXIT STATUS
The following exit values are returned: Successful completion. File not found, file is not a file or directory within a CD-ROM file hier-
archy, or access denied. File Section indicated by -s does not exist. File Section indicated by -s has no System Use Area.
SEE ALSO
cd_suf(3)
cdsuf(1)