Find file with bom and remove BOM from the files

gistfile1.txt

grep -rl $'\xEF\xBB\xBF'
# remove file with bom
# if remove .bak then sed not create backup
find . -type f -exec sed '1s/^\xEF\xBB\xBF//' -i.bak {} \; -exec rm {}.bak \;