Perhaps a scripted solution would work to open/resave them, cycling through the folders automatically? If someone doesn't know of a rpesent script, perhpas ask in the scripting forum.
Beyond that, I don't know of a means of ID seeing what the files are if it is not present already.
Take care, Mike
InDesign places Illustrator files by using the PDF portion of the file.
CorelDRAW is not giving you that.
You have no other choice but to resave them. I would explore a scripting
solution as Mike has pointed out but quite honestly, your client would
have been better off exporting as EPS and supplying those.
Trying to save to Illy format from CorelDRAW is not necessarily going to
give you a very good result.
Thanks Mike, I posted in the script forum.
Hey Bob, that's what I was afraid of. Hope the script gurus can help. Thanks!