NUL Safety, Delimiters, and Empty Input
NUL-Safe Pattern
find . -print0 | xargs -0 rm
This is the safest filename pipeline because it handles spaces, tabs, and newlines correctly.
Empty Input Protection
xargs -r
Use -r in scripts so nothing runs when there is no input.
Custom Delimiter
printf 'a,b,c' | xargs -d ',' echo