Sample dgsh errors

gistfile1.txt

$ dgsh
# Entering dgsh interactively


$ cat test1
a
b
c
e

$ cat test2
.

$ grep -f test2 test1
a
b
c
e

$ {{ cat test2 & cat test1 & }} | grep  -f -
a
b
c
e

$ cat test1 | tee | {{ {{ cat test2 & cat & }} | grep  -f - & cat & }} | cat
dgsh: syntax error near unexpected token `}}'

# Sample script containing what IMO should be equivalent to the one-liner above

$ cat dgsh-sample 
cat test1 |
tee |
{{
    {{
         cat test2 &
         cat &
    }} |
    grep  -f - &
    cat &
}} |
cat


$ ./dgsh-sample 

� ����0rF� dgsh-tee����
8396 dgsh: timeout for negotiation. Exit.
8397 dgsh: timeout for negotiation. Exit.
8399 dgsh: timeout for negotiation. Exit.
8393 dgsh: timeout for negotiation. Exit.
8400 dgsh: timeout for negotiation. Exit.
8402 dgsh: timeout for negotiation. Exit.
8395 dgsh: timeout for negotiation. Exit.
8401 dgsh: timeout for negotiation. Exit.
8404 dgsh: timeout for negotiation. Exit.
8403 dgsh: timeout for negotiation. Exit.

# I leave the dgsh shell and re-enter

$ exit
$ dgsh

$ ./dgsh-sample 
a
b
c
e
grep: write error