erc-load-script
erc-load-script is a compiled Lisp function in `erc.el
'.
(erc-load-script FILE)
Load a script from FILE.
FILE must be the full name, it is not searched in the
`erc-script-path'. If the filename ends with `.el', then load it
as an Emacs Lisp program. Otherwise, treat it as a regular IRC
script.