02-02-2006
$$ is nothing but a process id
The funda behind using $$ infront of file name is, if two people executing the same script, it won't overwrite others and end...
I'm just starting the file name with the process id... assuming the file will be unique if I include the process id in the file name...
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Dear All:
I want to send a message to a list of people with a subject and an attachement, currently I am using the following command into a shell script:
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Hi all,
I am a newbie to unix.
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------------Code---------------------------
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Hi All,
I have general query that ...in my script i used uuencode
option like below.
cd /location
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./testscript.sh: uuencode not found:
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Hi ,
I am using the below code to send mail through a script which run as a cron job.
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$priority
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Hello,
I am able to attache the file in UNIX/LINUX script using following code.
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EXIT(2) System Calls Manual EXIT(2)
NAME
_exit - terminate a process
SYNOPSIS
_exit(status)
int status;
DESCRIPTION
_exit terminates a process with the following consequences:
All of the descriptors open in the calling process are closed. This may entail delays, for example, waiting for output to drain; a process
in this state may not be killed, as it is already dying.
If the parent process of the calling process is executing a wait or is interested in the SIGCHLD signal, then it is notified of the calling
process's termination and the low-order eight bits of status are made available to it; see wait(2).
The parent process ID of all of the calling process's existing child processes are also set to 1. This means that the initialization
process (see intro(2)) inherits each of these processes as well. Any stopped children are restarted with a hangup signal (SIGHUP).
Most C programs call the library routine exit(3), which performs cleanup actions in the standard I/O library before calling _exit.
RETURN VALUE
This call never returns.
SEE ALSO
fork(2), sigvec(2), wait(2), exit(3)
4th Berkeley Distribution May 22, 1986 EXIT(2)