On Fri, Apr 16, 2010 at 08:06:16AM -0500, Patrick R. Michaud wrote: > cat {file} | sed {script} > {newfile} > chmod {newfile} --reference={file} > mv {file} {file}.{date} > mv {newfile} {file} Oops, that second line should probably be chmod --reference={file} {newfile} Pm