tests: cut: ensure no unecessary buffering

* tests/misc/write-errors.sh: Ensure we write output when possible.

diff --git a/tests/misc/write-errors.sh b/tests/misc/write-errors.sh
index 53111417aacf5fb8cd5aff6bd1fc69174bb32840..c97da3b01ca4d6cce3bac7c4976f22ff15543248 100755 (executable)
--- a/tests/misc/write-errors.sh
+++ b/tests/misc/write-errors.sh
@@ -35,6 +35,9 @@ cksum --version; yes '${dev_null_hash}' | cksum --check
 comm -z /dev/zero /dev/zero
 cut -z -c1- /dev/zero
 cut -z -f1- /dev/zero
+cut -f1 /dev/zero
+cut -b1- /dev/zero
+cut -c1- /dev/zero
 date +%${OFF64_T_MAX}c
 date --version; yes 0 | date -f-
 dd if=/dev/zero