tests: cut: ensure separate read paths checked

* tests/misc/read-errors.sh: Use cut -b as that has a separate
read path to cut -c.

diff --git a/tests/misc/read-errors.sh b/tests/misc/read-errors.sh
index f967a9044c093947460ea772e0f3040dc5e457c6..834440959a8bf37b19e8665cdd5c8386f66f7d4b 100755 (executable)
--- a/tests/misc/read-errors.sh
+++ b/tests/misc/read-errors.sh
@@ -45,7 +45,7 @@ cksum -a sysv .
 cksum -a md5 /dev/null | sed 's|/dev/null|.|' | cksum --check
 comm . .
 csplit . 1
-cut -c1 .
+cut -b1 .
 cut -f1 .
 date -f .
 dd if=.