$ ('$')
{ ('{')
word ('a')
$ ('$')
( ('(')
word ('b')
) (')')
} ('}')
\n ('\n')
$ ('$')
{ ('{')
word ('a')
$ ('$')
( ('(')
$ ('$')
( ('(')
word ('b')
) (')')
) (')')
} ('}')
\n ('\n')
$ ('$')
{ ('{')
word ('a')
$ ('$')
( ('(')
word ('a')
WHITE_SPACE (' ')
> ('>')
WHITE_SPACE (' ')
word ('b')
) (')')
} ('}')
\n ('\n')
word ('DIR')
= ('=')
$ ('$')
{ ('{')
$ ('$')
( ('(')
word ('a')
WHITE_SPACE (' ')
$ ('$')
( ('(')
word ('b')
) (')')
/ ('/')
word ('..')
) (')')
} ('}')