eshell-exec-lisp
eshell-exec-lisp is a compiled Lisp function in `esh-cmd.el
'.
(eshell-exec-lisp PRINTER ERRPRINT FUNC-OR-FORM ARGS FORM-P)
Execute a lisp FUNC-OR-FORM, maybe passing ARGS.
PRINTER and ERRPRINT are functions to use for printing regular
messages, and errors. FORM-P should be non-nil if FUNC-OR-FORM
represent a lisp form; ARGS will be ignored in that case.