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kass中lisp文件,常见的Lisp-获取文件的路径

發布時間:2024/9/19 编程问答 28 豆豆
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In Common Lisp, is there a way to get the path to a compiled file (something like current-directory)?

The file is not inside the current-directory folder.

解決方案

This ought to be a comment but I'm going to give some code examples that might help the original poster along.

First of all, you need to be a little more clear about what you want to do. What is the problem you're trying to solve?

Secondly, here are a couple of examples which could be useful:

*default-pathname-defaults* usually set to the directory the CL image was started up in:

* *default-pathname-defaults*

#P"/Users/aerique/"

merge-pathnames allows you to construct new pathnames:

* (merge-pathnames "lib/misc" *default-pathname-defaults*)

#P"/Users/aerique/lib/misc"

* (merge-pathnames "lib/misc/" *default-pathname-defaults*)

#P"/Users/aerique/lib/misc/"

asdf:system-source-directory returns the path to a system loaded with ASDF:

* (asdf:system-source-directory :linedit)

#P"/Users/aerique/quicklisp/dists/quicklisp/software/linedit-20111203-git/"

Also see the linked ASDF manual for more useful file and system functions.

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