mkdir -m700 /tmp/a /tmp/a/b
touch /tmp/a/b/c

echo /tmp/a/b/* "/tmp/a/"b/* "/tmp/a/b"/*

chmod -r /tmp/a            
echo /tmp/a/b/* "/tmp/a/"b/* "/tmp/a/b"/*
echo "/tmp/a/b"/*

bs=\\
echo /tmp${bs}/a/b/*
echo /tmp${bs}/a/b/c
echo /tm[p]${bs}/a/b/c

chmod +r /tmp/a
rm -rf /tmp/a