sed FTW! # Untested but should work. for i in *.asc; do sed 's/cellsize 0.0083333337679505/cellsize 0.008333333/' -i $i; done; :) Maris. 2012/6/28 Hamish <hamish_b at yahoo.com>: > > Edit the cell size back to 0.008333333 (no small feat with a > 3.7gb file, even for vi) and it'll work.