--- untouched_coreutils/coreutils-8.28/tests/split/filter.sh	2018-12-06 18:54:43.447222280 -0800
+++ coreutils-8.28/tests/split/filter.sh	2018-12-11 16:39:06.031860988 -0800
@@ -41,15 +41,16 @@ done
 # Show how --elide-empty-files works with --filter:
 # split does not run the command (and effectively elides the file)
 # only when the output to that command would have been empty.
-split -e -n 10 --filter='xz > $FILE.xz' /dev/null || fail=1
+touch empty_file.txt
+split -e -n 10 --filter='xz > $FILE.xz' empty_file.txt || fail=1
 returns_ 1 stat x?? 2>/dev/null || fail=1
 
 # Ensure this invalid combination is flagged
-returns_ 1 split -n 1/2 --filter='true' /dev/null 2>&1 || fail=1
+returns_ 1 split -n 1/2 --filter='true' empty_file.txt 2>&1 || fail=1
 
 # Ensure SIGPIPEs sent by the children don't propagate back
 # where they would result in a non zero exit from split.
-yes | head -n200K | split -b1G --filter='head -c1 >/dev/null' || fail=1
+yes | head -n200K | split -b1G --filter='head -c1 >empty_file.c' || fail=1
 
 # Ensure that "endless" input is ignored when all filters finish
 for mode in '' 'r/'; do