[armedbear-devel] Support for -- in parameter lists

Ville Voutilainen ville.voutilainen at gmail.com
Sun Feb 20 19:56:07 UTC 2011

It's common that a double-dash (--) alone can be used to tell a
command line parser to stop interpreting
further arguments. So, I implemented that very feature for ABCL in
r13226. Lo and behold:

given a test snippet, saved in cmdline.lisp:

 for item in *command-line-argument-list*
 do (format t "got arg ~a~%" item))

we can do

./abcl --batch --eval '(load "cmdlinetest.lisp")' -- hops hups jee jee
--eval '(format t "hah~%")' -- -- --
Armed Bear Common Lisp 0.25.0-dev-svn-13225M
Java 1.6.0_22 Sun Microsystems Inc.
Java HotSpot(TM) Server VM
Low-level initialization completed in 0.626 seconds.
Startup completed in 1.778 seconds.
got arg hops
got arg hups
got arg jee
got arg jee
got arg --eval
got arg (format t "hah~%")
got arg --
got arg --
got arg --

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