10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hello all,
I have a very basic question. I have a requirement where in, I have a main process which forks a child process, which execs and runs a c executable corresponding to a daemon. In the c executable corresponding to a daemon, as everyone does, I fork another child process, and as part of... (7 Replies)
Discussion started by: sai2krishna
7 Replies
2. Shell Programming and Scripting
Hi guys,
I'm learning python and perl and i was trying to run from python a perl script using the subprocess module.
I have an issue that i don't understand regarding this.
I run this code:
#!/usr/bin/python
import subprocess
p2 = subprocess.Popen(,stdout=subprocess.PIPE)
output2 =... (2 Replies)
Discussion started by: capitanui
2 Replies
3. Shell Programming and Scripting
Hi,
I am facing a strange issue,
when i call a script from my while loop in background it doesnt go in background, despite the wait i put below the whil loop it goes forward even before the process put in background is completed.
cat abc.txt | while read -u4 line
do
#if line contains #... (2 Replies)
Discussion started by: mihirvora16
2 Replies
4. Shell Programming and Scripting
Hey all,
I want to automate tarring a directory then using ftp to transfer the files over.
I was able to put the commands together but what I'm noticing is that only the very first file is being tarred and then transferred.
tar cvpf new.backup sourceAbove is the command I'm using which works... (4 Replies)
Discussion started by: Keepcase
4 Replies
5. Shell Programming and Scripting
I have the shell script to call a Perl routine and pass the Informatica WorkFlow name to it. Jobs in each group executes in background do not seem to wait at all. How do I make it to WAIT for the prior group to complete before execute the next group of jobs?
Sample of the jobs flow:
{
... (6 Replies)
Discussion started by: lv99
6 Replies
6. Shell Programming and Scripting
I need to run this command using python subprocess module (notice I'm using only variables):
cmd = TESTPATH + ' -s ' + serviceName + ' -r ' + rdir + \
' -m ' + masterAcct + ' -p ' + persona + ' -P ' + passwd (3 Replies)
Discussion started by: erick_tuk
3 Replies
7. AIX
Hi Guys,
Just a question about subprocesses.. Lately one of our servers has started to throw out the following error:
SYSTEM ERROR: Too many subprocesses, cannot fork. Errno=12
We've already increased the threshold twice. Its now up to 8000 and the swap space has also been increased. We... (6 Replies)
Discussion started by: Jazmania
6 Replies
8. Shell Programming and Scripting
Did not use 'wait' yet.
How I understand by now the wait works only for child processes, started background.
Is there any other way to watch completion of any, not related process (at least, a process, owned by the same user?)
I need to start a background process, witch will be waiting... (2 Replies)
Discussion started by: alex_5161
2 Replies
9. Shell Programming and Scripting
:cool:
I need to execute a shell script to do the following:
cat a file
run two back ground processes using the first two values from the file
wait till those background processes finish
run two more background processes using the next two values from the file
wait till those background... (1 Reply)
Discussion started by: halo98
1 Replies
10. UNIX for Advanced & Expert Users
Have a need to schedule programs that can run after other programs are completed. Here's the catch:
1) The list of programs will not always be the same (kind of a plug-n-play deal)
2) The invoking shell may not be the same as the shell of the program being waited on
In other words, I need... (2 Replies)
Discussion started by: superdelic
2 Replies
How to wait for the subprocess to finish in tcl