iraf.net

Hi,  I'm trying to pipe iraf output into files but get "cannot write to" errors;
e.g.,
ecl> imhead *.fits l- > list
ERROR: cannot open `list' for writing
Is there some flag I need to set in login.cl?  Or??
Thanks,
======================================================
  Daniel H. McIntosh, Ph.D.
  Assistant Professor
  Director Warkoczewski Public Observatory
  Department of Physics
  Flarsheim Hall 250M, 5110 Rockhill Road
  University of Missouri-Kansas City
  Kansas City, MO 64110  USA
  Office: +1-816-235-5324   FAX: +1-816-235-5221
  http://cas.umkc.edu/physics/mcintosh/profile.html
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Do you have write permission in the current directory? Does the 'list' file already exist, if so you can set the 'clobber' CL environment variable to allow overwriting existing files.