Because remove-dir only deletes empty folder, in real word, it cannot offer many help. For the most part, we need to delete a non-empty folder.
I wrote delete-dir function for solving this. But want to ask Lutz, why don't you offer this kind of features?
(define (make-sure-folder-path-end-of-slash dir-path)
(if (!= (last dir-path) "/")
(push "/" dir-path -1)
)
dir-path
)
(define (no-sub-files dir-path)
(not (directory dir-path {[^(.$)]})))
(define (delete-dir dir-path)
;; check dir-path
(unless (directory? dir-path)
(throw-error (string dir-path " folder does not exist")))
;; append slash to dir-path
(set 'dir-path (make-sure-folder-path-end-of-slash dir-path))
;; process sub files
(let (sub-files (directory dir-path {[^(.$)]}))
(if sub-files
(begin
;; iterate all sub files
(dolist (nde sub-files)
(if (directory? (append dir-path nde))
(delete-dir (append dir-path nde) file-op ext-context)
(let (file-path (append dir-path nde))
(println (string "delete file " file-path ": " (file-info file-path)))
(delete-file file-path ext-context))))
(if (no-sub-files dir-path)
(begin
(println (string "delete folder " dir-path ": " (file-info dir-path)))
(remove-dir dir-path))
)
)
(begin
(println "no sub files in " dir-path " folder, delete this folder")
(remove-dir dir-path))
)
)
)
For testing my code， like so:
dean@dean-Latitude-3330:~/Downloads$ mkdir -p x/x2/x3; touch x/x2/x3/z;touch x/x2/m;touch x/.sss; touch x/a.x;
dean@dean-Latitude-3330:~/Downloads$ tree x -a
x
├── a.x
├── .sss
└── x2
├── m
└── x3
└── z
2 directories, 4 files
> (delete-dir "/home/dean/Downloads/x")
delete file /home/dean/Downloads/x/a.x: (0 33204 0 1000 1000 1409987071 1409987071 1409987071)
delete file /home/dean/Downloads/x/x2/x3/z: (0 33204 0 1000 1000 1409987071 1409987071 1409987071)
delete folder /home/dean/Downloads/x/x2/x3/: (4096 16893 0 1000 1000 1409987075 1409987075 1409987075)
delete file /home/dean/Downloads/x/x2/m: (0 33204 0 1000 1000 1409987071 1409987071 1409987071)
delete folder /home/dean/Downloads/x/x2/: (4096 16893 0 1000 1000 1409987075 1409987075 1409987075)
delete file /home/dean/Downloads/x/.sss: (0 33204 0 1000 1000 1409987071 1409987071 1409987071)
delete folder /home/dean/Downloads/x/: (4096 16893 0 1000 1000 1409987075 1409987075 1409987075)
true
You might want to exclude traversing ".." as well?
For myself, I'm happy enough with the "rm -r" shell command.
.. has been excluded. All file name ended with . will be excluded.
dean@dean-Latitude-3330:~/Downloads$ mkdir -p x/x2/x3; touch x/x2/x3/z;touch x/x2/m;touch x/.sss; touch x/a.x;
dean@dean-Latitude-3330:~/Downloads$ ll x
total 20
drwxrwxr-x 3 dean dean 4096 Sep 7 14:16 ./
drwxr-xr-x 14 dean dean 12288 Sep 7 14:16 ../
-rw-rw-r-- 1 dean dean 0 Sep 7 14:16 a.x
-rw-rw-r-- 1 dean dean 0 Sep 7 14:16 .sss
drwxrwxr-x 3 dean dean 4096 Sep 7 14:16 x2/
> (directory "/home/dean/Downloads/x" {[^(.$)]})
("a.x" "x2" ".sss")
Hmm; are you sure that's the right pattern? Also, doesn't "directory" need a third argument for a regex pattern?
What about a more explicit exclusion, as in the following?
You are right. Thank you. :)