shopt globstar | grep -q 'off$' && { RESET_GLOBSTAR=1; shopt -s globstar ; }

for i in ./**/**; do { \

# skip directories and binary files

grep -qI -d skip '.' "$i" && ( \

# change CRLF to LF (dos2unix)

tr -d '\15\32' < "$i" | \

# change tabs to 4 spaces

expand -t 4 | \

# remove space after ( and before )

# sed -e 's/( /(/g' -e 's/ )/)/g' | \

# remove trailing spaces

sed 's/[[:space:]]*$//g' > o; \

# ensure nl at end of file

[[ "$(tail -c1 o;echo x)" != $'\nx' ]] && echo '' >> o; \

# replace target with tmp file

cat o > "$i" && rm o \

) ; \

} ; done

[[ $RESET_GLOBSTAR == 1 ]] && shopt -u globstar