OPEN_QUOTE ('"')
OPEN_BACKQUOTE ('`')
word ('echo')
WHITE_SPACE (' ')
OPEN_QUOTE ('"')
var ('$0')
CLOSE_QUOTE ('"')
CLOSE_BACKQUOTE ('`')
CLOSE_QUOTE ('"')
\n ('\n')
( ('(')
word ('cd')
WHITE_SPACE (' ')
OPEN_QUOTE ('"')
OPEN_BACKQUOTE ('`')
word ('dirname')
WHITE_SPACE (' ')
OPEN_QUOTE ('"')
var ('$0')
CLOSE_QUOTE ('"')
CLOSE_BACKQUOTE ('`')
CLOSE_QUOTE ('"')
) (')')