Provided by: wcstools_3.9.2-5_amd64 

NAME
fileroot - AME
SYNOPSIS
fileroot file1 file2 file3 ...
DESCRIPTION
FILEROOT: Drop file name extension
fileroot -r c1 c2 file1 file2 file3 ... -r replaces c1 with c2 in file name
fileroot 3.9.2 February 2016 FILEROOT(1)