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diff --git a/tests/misc/md5sum-bsd.sh b/tests/misc/md5sum-bsd.sh
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+#!/bin/sh
+# 'md5sum' tests for generation and checking of
+# BSD traditional and alternate formats (md5 [-r])
+
+# Copyright (C) 2011-2020 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ md5sum
+
+## BSD alternate format tests ##
+
+# Ensure we can --check BSD alternate format.
+# Note we start this list with a name
+# that's unambiguous in BSD format.
+# I.e., one not starting with ' ' or '*'
+for i in 'a' ' b' '*c' 'dd' ' '; do
+  echo "$i" > "$i"
+  md5sum "$i" >> check.md5sum || fail=1
+done
+sed 's/  / /' check.md5sum > check.md5
+
+# Note only a single format is supported per run
+md5sum --strict -c check.md5sum || fail=1
+md5sum --strict -c check.md5 || fail=1
+
+# Ensure we don't trigger BSD reversed format with GPG headers etc.
+{ echo '____not_all_hex_so_no_match_____ blah';
+  cat check.md5sum; } > check2.md5sum || framework_failure_
+md5sum -c check2.md5sum 2>check2.err || fail=1
+echo 'md5sum: WARNING: 1 line is improperly formatted' >check2.exp
+compare check2.exp check2.err || fail=1
+
+# If we skip the first entry in the BSD format checksums
+# then it'll be detected as standard format and error.
+# This unlikely caveat was thought better than mandating
+# an option to avoid the ambiguity.
+tail -n+2 check.md5 | returns_ 1 md5sum --strict -c || fail=1
+
+
+## BSD traditional format tests (--tag option) ##
+
+# Ensure --tag and --check are mutually exclusive
+returns_ 1 md5sum --tag --check /dev/null || fail=1
+
+# Ensure --tag and --text are mutually exclusive
+# We don't support --text with BSD tradition format,
+# as that would complicate the output format,
+# while providing little benefit over --text processing
+# available with the default md5sum output format.
+returns_ 1 md5sum --tag --text /dev/null || fail=1
+
+# Ensure we can --check BSD traditional format we produce
+rm check.md5
+for i in 'a' ' b' '*c' 'dd' ' '; do
+  echo "$i" > "$i"
+  md5sum --tag "$i" >> check.md5 || fail=1
+done
+md5sum --strict -c check.md5 || fail=1
+
+# Ensure we can --check BSD traditional format we produce
+# with the GNU extension of escaped newlines
+nl='
+'
+tab='	'
+rm check.md5
+for i in 'a\b' 'a\' "a${nl}b" "a${tab}b"; do
+  : > "$i"
+  md5sum --tag "$i" >> check.md5 || fail=1
+done
+md5sum --strict -c check.md5 || fail=1
+
+# Ensure BSD traditional format with GNU extension escapes
+# is in the expected format
+ex_file='test
+\\file'
+ex_output='\MD5 (test\n\\\\file) = d41d8cd98f00b204e9800998ecf8427e'
+touch "$ex_file"
+printf "%s\n" "$ex_output" > exp
+md5sum --tag "$ex_file" > out || fail=1
+compare exp out || fail=1
+
+Exit $fail