Sponsored Content
Operating Systems Linux background processing in BASH Post 302311554 by otheus on Wednesday 29th of April 2009 03:51:20 AM
Old 04-29-2009
Are you using bash?

Have you tried "set -x" at the top of the code to see where execution fails? (Line 25 doesn't really help).
 

10 More Discussions You Might Find Interesting

1. Solaris

Best practice to run bash script in background

nohup /bin/bassh $HOME/scripts/test.sh > $HOME/log/test.log 2>&1 & nohup $HOME/scripts/test.sh > $HOME/log/test.log 2>&1 & Which is the good practice to run a script in background of above two ? does the first one will have any overhead on the system ? our system is SunOS 5.10... (2 Replies)
Discussion started by: mmasals
2 Replies

2. Shell Programming and Scripting

background processing in BASH

I have script 3 scripts 1 parent (p1) and 2 children child1 and child2 I have script 3 scripts 1 parent 2 children child1 child2 In the code below the 2 child processes fire almost Instantaneously in the background, Is that possible to know the status of pass/fail of each process... (12 Replies)
Discussion started by: jville
12 Replies

3. Shell Programming and Scripting

bash tee and background threads

Running centos 2.6, I have a bash script in which I'd like to run a number of background threads in parallel, tee'ing the results of the entire script to one file, while tee'ing the result of each background thread to another. Here's what I'm doing, where the number of csv files control the... (1 Reply)
Discussion started by: heatlamp
1 Replies

4. Programming

Unix Shell background processing

So I made my own unix shell, but i want to make a background process when using the & appended to the end, so far most of the commands seem to work (except cd, but thats another story) right now here is what I have got. Im thinking maybe I shouldn't be using switch and maybe switch it to... (27 Replies)
Discussion started by: Mercfh
27 Replies

5. Shell Programming and Scripting

Background tasks in a loop (bash)

I am trying to use a loop to start tasks 0-3, running 0,1,2 in the background with &. FOLDSET=( 0 1 2 3 ) for FOLDSET in ${FOLDSET} do if ; then BACKGRD="&" else BACKGRD="" fi # start task $FOLDSET task1 -nogui -ni -p $PROJ \ epochs=$EPOS ... (3 Replies)
Discussion started by: LMHmedchem
3 Replies

6. Shell Programming and Scripting

BASH - Handling background processes - distributed processing

NOTE: I am using BASH and Solaris 10 for this. Currently in the process of building a script that has a main "watcher" daemon that reads a configuration file and starts background processes based on it's global configuration. It is basically an infinite loop of configuration reading. Some of the... (4 Replies)
Discussion started by: dcarrion87
4 Replies

7. Shell Programming and Scripting

Suppress a background message in Bash

I'm having trouble with part of this bash script in Linux where I respawn a new instance of script and kill the old one to prevent forking (Yes, I know 'exec' will not fork but this needs to be interactive) When the old instance is kill it pops up "Terminated!" in the middle of the new instance... (7 Replies)
Discussion started by: Azrael
7 Replies

8. Shell Programming and Scripting

Parallel processing in bash?

Hi Say I am interested in processing a big data set over shell, and each process individually takes a long time, but many such processes can be pipe-lined, is there a way to do this automatically or efficiently in shell? For example consider pinging a list addresses upto 5 times each. Of... (5 Replies)
Discussion started by: jamie_123
5 Replies

9. Shell Programming and Scripting

Plink (processing multiple commands) using Bash

I'm completely brand new to bash scripting (migrating from Windows batch file scripting). I'm currently trying to write a bash script that will automatically reset "error-disabled" Cisco switch ports. Please forgive the very crude and inefficient script I have so far (shown below). It is... (10 Replies)
Discussion started by: MKANET
10 Replies

10. Shell Programming and Scripting

[Help] Bash script that runs in the background and checks for mails...

Hello! I have got a homework. The bash script runs in the background and checks the user's mailbox and when the user gets a new mail a popup window appears with some text and information about the sender (from who and when).I have no idea how to start, any help would be appreciated! Thank you:) (1 Reply)
Discussion started by: capo2ndfret
1 Replies
BASHBUG(1)						      General Commands Manual							BASHBUG(1)

NAME
bashbug - report a bug in bash SYNOPSIS
bashbug [--version] [--help] [email-address] DESCRIPTION
bashbug is a shell script to help the user compose and mail bug reports concerning bash in a standard format. bashbug invokes the editor specified by the environment variable EDITOR on a temporary copy of the bug report format outline. The user must fill in the appropriate fields and exit the editor. bashbug then mails the completed report to bug-bash@gnu.org, or email-address. If the report cannot be mailed, it is saved in the file dead.bashbug in the invoking user's home directory. The bug report format outline consists of several sections. The first section provides information about the machine, operating system, the bash version, and the compilation environment. The second section should be filled in with a description of the bug. The third sec- tion should be a description of how to reproduce the bug. The optional fourth section is for a proposed fix. Fixes are encouraged. ENVIRONMENT
bashbug will utilize the following environment variables if they exist: EDITOR Specifies the preferred editor. If EDITOR is not set, bashbug defaults to emacs. HOME Directory in which the failed bug report is saved if the mail fails. TMPDIR Directory in which to create temporary files and directories. SEE ALSO
bash(1) AUTHORS
Brian Fox, Free Software Foundation bfox@gnu.org Chet Ramey, Case Western Reserve University chet@po.cwru.edu GNU Bash-4.0 1998 July 30 BASHBUG(1)
All times are GMT -4. The time now is 06:18 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy