I agree. Thanks for the info. I need to brush up on my trapping instead of always using exit 1 to catch errors.
I have one parent and about 150 children. If I remove the || exit 1 from the parent then I'm in big trouble because the previous child needs to complete sucessfully before the next one is run or it will snowball on me.
I just need to check that $variable = $variable before the child is run (or before the child actually gets going), but $variable is ever changing in each script so I can't set it from the parent.. If $variable != $variable then it needs to be skipped and the next child in line needs to be ran... I'll hack it for now and put it on my TODO list...
I don't follow what these are...
this is what my text says...
"When a process is started, a duplicate of that process is created. This new process is called the child and the process that created it is called the parent. The child process then replaces the copy for the code the parent... (1 Reply)
Hello all,
I have gone through the search and looked at posting about idle users and killing processes. Here is my question I would like to kill an idle user ( which I can do) but how can I asure that all of his process is also killed whit out tracing his inital start PID. I have tried this on a... (4 Replies)
Hello.
I have a global function name func1() that I am sourcing in from script A. I call the function from script B. Is there a way to find out which script called func1() dynamically so that the func1() can report it in the event there are errors?
Thanks (2 Replies)
Hi all,
I am writing a script which calls other third party scripts that perform numerous actions. I have no control over these scripts.
My problem is, one of these scripts seems to execute and do what it is meant to do, but my calling / parent script always exits at that point. I need to... (4 Replies)
i used function fork().
so i made two process.
parent process accepted socket fd and writing to shared memory.
then now. how can child process share parent's socket fd?
is this possible?
Thanks in advance (1 Reply)
1. The problem statement, all variables and given/known data:
I need to make an program that in a loop creates one parent and five children with fork(). The problem i'm trying to solve is how to delete the parent and child of the childīs process.
2. Relevant commands, code, scripts,... (0 Replies)
Hi everyone
i am very new to linux , working on bash shell.
I am trying to solve the given problem
1. Create a process and then create children using fork
2. Check the Status of the application for successful running.
3. Kill all the process(threads) except parent and first child... (2 Replies)
I am having a parent scripts which reads a file with child scripts name.
I need to read one by one child script , execute it and
1. If child script fails send mail to the team with the log file
2. If the child script executes fine then proceed with the next child script execution.
#!... (3 Replies)
Discussion started by: nw2unx123
3 Replies
LEARN ABOUT DEBIAN
envdir
envdir(8) System Manager's Manual envdir(8)NAME
envdir - runs another program with environment modified according to files in a specified directory.
SYNOPSIS
envdir d child
DESCRIPTION
d is a single argument. child consists of one or more arguments.
envdir sets various environment variables as specified by files in the directory named d. It then runs child.
If d contains a file named s whose first line is t, envdir removes an environment variable named s if one exists, and then adds an environ-
ment variable named s with value t. The name s must not contain =. Spaces and tabs at the end of t are removed. Nulls in t are changed to
newlines in the environment variable.
If the file s is completely empty (0 bytes long), envdir removes an environment variable named s if one exists, without adding a new vari-
able.
EXIT CODES
envdir exits 111 if it has trouble reading d, if it runs out of memory for environment variables, or if it cannot run child. Otherwise its
exit code is the same as that of child.
SEE ALSO supervise(8), svc(8), svok(8), svstat(8), svscanboot(8), svscan(8), readproctitle(8), fghack(8), pgrphack(8), multilog(8), tai64n(8),
tai64nlocal(8), setuidgid(8), envuidgid(8), softlimit(8), setlock(8)
http://cr.yp.to/daemontools.html
envdir(8)