TIGER scripts - update

[Malcolm Williamson]

I made a minor fix to my TIGER/line shell scripts to deal with missing dig_cats
directories. The file is still under "incoming" on the moon as 
tigerscripts.tar.Z - the revision date within the scripts themselves is 4/8/94.
-- 
Malcolm D. Williamson - Research Assistant       E-mail: malcolm at cast.uark.edu
Center for Advanced Spatial Technologies      Telephone: (501) 575-6159
Ozark Rm. 12                                        Fax: (501) 575-3846 
University of Arkansas              
Fayetteville, AR 72701