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Need a concurrent program to run only when a file comes in a particular Unix Directory [message #360374] Thu, 20 November 2008 13:46 Go to next message
rak007
Messages: 107
Registered: October 2006
Location: Mumbai / Pune, India
Senior Member
My requirement is to fire a concurrent program only when a file comes in a particular Unix location.

We have already built a program that is supposed to pick up files from a Unix path and process them. Now currently this program needs to be run manually by someone after putting (FTP) the files in that directory.
Another option is that we schedule this program to run at regular interval and get the job done.

But the client wants that the program should not run unnecessarily and also he wants minimum manual intervention, so he suggested that we run the program ONLY when a file is FTPed in the predefined location. How do we accomplish this requirement ???

Please suggest
Re: Need a concurrent program to run only when a file comes in a particular Unix Directory [message #361442 is a reply to message #360374] Wed, 26 November 2008 07:37 Go to previous message
ggr88
Messages: 31
Registered: October 2007
Location: Wellington, New Zealand
Member
Best option: Get the system that calls the FTP to initiate the concurrent request via SSH or RSH or similar. But probably that is not an option or you wouldn't be using FTP.

Next option - schedule a request via concurrent manager. This wouldn't require hardcoding of apps password, but does run extra requests. However you could tune it (e.g only run once for 23/24 hours a day, and every minute for the hour you expect the file to be delivered).

Another option is to call polling shell via cron and that submits CONCSUB to submit request (requires external storage of apps password).

There are advantages and disadvantages in each option.
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