Lisp filepath issues when running application directly from jar file
evenson at panix.com
Sat Aug 15 07:28:11 UTC 2015
> On Aug 14, 2015, at 12:20, Hamda Binte Ajmal <hamda.binte.ajmal at gmail.com> wrote:
> I was working on an application, that loads a few lisp files using lisp command
> (load "fullfilepath.lisp") from java using ABCL.
> This file in turn loads the other lisp files located in same folder hierarchy, and then i call lisp functions (defined in these files) from java and everything works perfect as long as I run the application from Netbeans.
> Close to deployment, I tested the application by running it from jar file, I found that there are issues with filepaths, as the files are not a part of file-system, and hence not accessible using a file-path.
> Does anyone has any idea how to fix this issue ?
ABCL has [extended the semantics of Lisp PATHNAME objects to be able to refer
to files within jar files].
If you know the absolute path of the jar file locally, you may specify a file
within via something that looks like:
“jar:file:/absolute/path/to/file.jar!/path/within/jar/setup.lisp”. See the
above referenced design specification for more details.
The [ASDF-JAR contrib] provides a convenient mechanism for packaging Common
Lisp systems encapsulated by ASDF into a jar that may subsequently used as the
basis for loading these systems via the ASDF-JAR:ADD-TO-ASDF function.
Both these options require that you know the absolute path of the deployed jar.
JAR-PATHNAME objects follow CL:MERGE-PATHNAME conventions, so one may be able
to figure out runtime locations based on the user home directory.
Please let me know if I can be of further assistance here.
"A screaming comes across the sky. It has happened before but there is nothing
to compare to it now."
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