eshell-parse-variable-ref
eshell-parse-variable-ref is a compiled Lisp function in `esh-var.el
'.
(eshell-parse-variable-ref)
Eval a variable reference.
Returns a Lisp form which, if evaluated, will return the value of the
variable.
Possible options are:
NAME an environment or Lisp variable value
<LONG-NAME> disambiguates the length of the name
{COMMAND} result of command is variable's value
(LISP-FORM) result of Lisp form is variable's value