Sender File Adapter should run only when trigger file is found PI 7.1

I am using PI 7.1 . I have a File Sender Adapter communication channel that needs to poll for a trigger file - input.trg . Only If that is found then it needs to pick up the actual data file - input.dat . The Transport Protocol is FTP not NFS, so I cannot use standard features like 'Addtional Files'.
Is there any other workaround for this ? OS Commands etc?
I have also read that I can use BPM for this . Could anyone help me out with the steps and if you have any good blog on BPM.
Thanks !

Hi Dev,
You can use BPM for this. The steps benig
1. Fork with two receive step (one for trigger file and one for dat) . The end condition of fork is when both brach is completed.
2. transformation step
3. send step
you can use a dummy correlation between the two input files (trigger and dat input file)..
Regards
Suraj

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Hi Evaggelos,
from <a href="http://help.sap.com/saphelp_nw2004s/helpdata/en/e3/94007075cae04f930cc4c034e411e1/content.htm">SAP help: Configuring the Sender File/FTP Adapter</a>:
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On the sender: How does the PI know when a file is complete for reading?
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[email protected]

Hi,
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Johann
I think you miss understood me/I didn;t explain myself very well....
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Edited by: paul clements on Jun 9, 2011 12:58 PM

● You have started the Runtime Workbench, are in component monitoring, and have selected an Adapter Engine as your component.
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Sender File Adapter should run only when trigger file is found PI 7.1

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