Find all files excluding multiple directories and pipe to something else, i.e. dos2unix:
find . -type d \( -name .git -o -name node_modules \) -prune -o \
-type f -print0 | xargs -0 -n 1 dos2unix
Aka find the directories to exclude and prune them then find the files you want.
-o
means or-print0 | xargs -0
keeps spaces in paths from creating problems-n 1
means process one at a time (aka you can batch 10 processes with-n 10