移动功能在 Windows 的 Raku 中不起作用

Question

这是我的文件夹结构：

C:\USERS\SUMAN\OPENMP_CMAKE
│   shlib.pl
│   shlib.raku
│
└───resources
    └───libraries

shlib.raku 包含这一行

move "shlib.pl", "resources/libraries"

当我运行这个脚本时，它不能移动文件。阅读 docs here，我希望它能工作。相反，它抛出这个错误：

Failed to move 'C:\Users\suman\openmp_cmake\shlib.pl' to 'C:\Users\suman\openmp_cmake\resources\libraries': Failed to copy file: operation not permitted
  in block <unit> at c:\Users\suman\openmp_cmake\shlib.raku line 1

估计是系统问题。但是有办法解决这个问题吗？因为它会帮助我实现自动化。这是我的系统信息：

Host Name:                 SUMANKHANAL
OS Name:                   Microsoft Windows 10 Pro
OS Version:                10.0.19043 N/A Build 19043
OS Manufacturer:           Microsoft Corporation
OS Configuration:          Standalone Workstation
OS Build Type:             Multiprocessor Free
Registered Owner:          N/A
Registered Organization:   N/A
Product ID:                00331-20350-00000-AA867
Original Install Date:     2/19/2022, 1:41:50 PM
System Boot Time:          4/10/2022, 9:35:07 PM
System Manufacturer:       Dell Inc.
System Model:              Inspiron 5379
System Type:               x64-based PC
Processor(s):              1 Processor(s) Installed.
                           [01]: Intel64 Family 6 Model 142 Stepping 10 GenuineIntel ~2001 Mhz
BIOS Version:              Dell Inc. 1.17.0, 8/18/2021
Windows Directory:         C:\WINDOWS
System Directory:          C:\WINDOWS\system32
Boot Device:               \Device\HarddiskVolume1
System Locale:             en-us;English (United States)
Input Locale:              en-us;English (United States)
Time Zone:                 (UTC+05:45) Kathmandu
Total Physical Memory:     8,025 MB
Available Physical Memory: 1,442 MB
Virtual Memory: Max Size:  14,425 MB
Virtual Memory: Available: 3,820 MB
Virtual Memory: In Use:    10,605 MB
Page File Location(s):     C:\pagefile.sys
Domain:                    WORKGROUP
Logon Server:              \SUMANKHANAL
Hotfix(s):                 7 Hotfix(s) Installed.
                           [01]: KB5010472
                           [02]: KB5012117
                           [03]: KB5000736
                           [04]: KB5012599
                           [05]: KB5011352
                           [06]: KB5011651
                           [07]: KB5005699
Network Card(s):           2 NIC(s) Installed.
                           [01]: Qualcomm QCA61x4A 802.11ac Wireless Adapter
                                 Connection Name: Wi-Fi
                                 DHCP Enabled:    Yes
                                 DHCP Server:     192.168.1.254
                                 IP address(es)
                                 [01]: 192.168.1.83
                                 [02]: fe80::d948:4175:e48d:b886
                                 [03]: 2400:1a00:b111:3e81:c506:663d:5c33:418a
                                 [04]: 2400:1a00:b111:3e81:d948:4175:e48d:b886
                                 [05]: 2400:1a00:b111:3e81::2
                           [02]: Bluetooth Device (Personal Area Network)
                                 Connection Name: Bluetooth Network Connection
                                 Status:          Media disconnected
Hyper-V Requirements:      VM Monitor Mode Extensions: Yes
                           Virtualization Enabled In Firmware: Yes
                           Second Level Address Translation: Yes
                           Data Execution Prevention Available: Yes

在 repl.it (Linux) 中，我也看不到它是否有效，这是错误：

Failed to move '/home/runner/WrithingCharmingSemicolon/openmp_cmake/shlib.pl' to '/home/runner/WrithingCharmingSemicolon/openmp_cmake/resources/libraries': Failed to copy file: illegal operation on a directory
  in block <unit> at shlib.raku line 1

Answer 1

显然，move 不适用于目录，如果您在 Linux

中做的大致相同，这就是错误提示

move "shlib.pl", IO::Path.new("resources/libraries/shlib.pl")

这在 Linux 中有效，你能检查一下它在 Windows 中是否有效吗？由于使用 IO::Path

，它确实创建了一个应该独立于文件系统约定的路径

Answer 2

您可以使用 Raku 将多个文件从一个目录复制到另一个目录，但是（希望代码可移植性）Raku 提供了一种机制来限制对 OS-provided shell.

也就是说：在使用Raku的copy或move或rename命令时，给这些file-system命令一个dir()参数，表示which-files-in-which-directory你想操作。包含一个 for 语句来遍历您已识别的文件（and/or 目录）。以下是您导航到 source 目录时的示例：

Shell:

$ pwd
~/parent
$ cd source
~/parent/source$ ls
~/parent/source$ echo "for all persons" > persons.txt
~/parent/source$ echo "now is the time" > time.txt
~/parent/source$ ls
persons.txt time.txt

乐 one-liners:

~parent/source$ raku -e 'for dir(test => / .+ \.txt $ /) {.say};'
"persons.txt".IO
"time.txt".IO
~/parent/source$ raku -e 'mkdir IO::Path.new("../dest");'
~/parent/source$ raku -e 'for dir(test => / .+ \.txt $ /) { copy $_, "../dest/$_", createonly => True};'
~/parent/source$ ls ../dest
persons.txt time.txt

如果您位于 parent 目录中，则 copy 或 move 或 rename from/to source/destination 个目录：

乐 one-liners:

~/parent$ raku -e 'for dir("./source", test => / .+ \.txt $ /) {.say};'
"./source/persons.txt".IO
"./source/time.txt".IO
~/parent$ raku -e 'mkdir IO::Path.new("./dest2");'
~/parent$ raku -e 'for dir("./source", test => / .+ \.txt $ /) { copy $_, "./dest2/" ~ $_.basename, createonly => True};'
~/parent$ ls ./dest2
persons.txt time.txt

我猜 Raku 制定这个 design-decision 是为了让用户 learn/remember one pattern-matching 语言 (Raku-regexes) 而不是两种 (Raku-regexes AND shell-globbing).

https://docs.raku.org/type/IO::Path

移动功能在 Windows 的 Raku 中不起作用

move function does not work in Raku in Windows

rakudo

raku