xargs -0: (thanks to quizac@wykop)

sheets/xargs

@@ -1,6 +1,12 @@
 # find all file name ending with .pdf and remove them
 find -name \*.pdf | xargs rm
 
+# find all file name ending with .pdf and remove them
+# (bulletproof version: handles filenames with \n and skips *.pdf directories)
+# -r = --no-run-if-empty
+# -n10 = group by 10 files
+find -name \*.pdf -type f -print0 | xargs -0rn10
+
 # if file name contains spaces you should use this instead
 find -name \*.pdf | xargs -I{} rm -rf '{}'