about raw2hdr problem

Dear list,

I am getting the following error when using raw2hdr, when it calls dcraw.
I'd appreciate your suggestions.

Mehmedalp Tural
Arizona State U

malp@ubuntu:/usr/local/bin$ raw2hdr -o den.hdr 1.raw 2.raw 3.raw

/usr/local/bin/dcraw: 1: ���� �: not found

/usr/local/bin/dcraw: 2: �: not found

/usr/local/bin/dcraw: 3: Syntax error: "|" unexpected

dcraw failed at /usr/local/bin/raw2hdr line 98.