Hi
The Inaport text file connector can accept wild cards in the file name, and can also rename files after processing and/or move them to another directory. The rename capability can also use expressions, so the new name can incorporate (for example) a time stamp.
If you combine these capabilities you should be able to achieve most of what you want:
1. have the source path be (for example): c:\mydir\0*.csv
2. use the move capability to move each file to c:\mydir\done once it has been processed, to prevent it being found again by the wild card.
The wild card will present to files in alpha order.
I am not sure that it will be possible to stop and write a record to SLX if a file is out of order.
HTH
Regards
Admin