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# zipScan

> 扫描压缩存档，并返回其中包含的文件和目录的元数据。

扫描压缩存档，以获取有关其包含的文件和目录的信息。

## 必需的参数

* **type**: 存档的类型。允许的值为 ZIP、TAR、JAR 和 GZIP。默认值为 ZIP。
* **archive**: 要扫描的存档在磁盘上的路径，包括文件名。

## 输出属性

* **zip:filename**: 文件或目录的名称，包括路径。
* **zip:compressedsize**: 文件压缩后的大小（以字节为单位）。
* **zip:decompressedsize**: 文件解压缩后的大小（以字节为单位）。
* **zip:lastmodified**: 文件或目录上次修改的日期和时间。

## 示例

以下示例扫描现有 zip 存档，并不断向输出数据追加存档中每个文件和目录的信息。扫描完所有文件和目录后，数据将作为输出文件推送。

```xml theme={null}
<!-- Creating the input item and the necessary attributes -->
<arc:set attr="zip.archive" value="C:\\Temp\\test.zip" />
<arc:set attr="zip.type" value="ZIP" />
<!-- Initializing the output data -->
<arc:set attr="output.data" value="" />

<arc:call op="zipScan" in="zip" out="results">
  <!-- Appending the information of each file and folder to the output data -->
  <arc:set attr="output.data" value="[output.data]\nThe file [results.zip:filename] has a compressed size of [results.zip:compressedsize] bytes and an uncompressed size of [results.zip:decompressedsize] bytes. The last modified time is [results.zip:lastmodified]." />
</arc:call>

<!-- Pushing the output item out as a file -->
<arc:set attr="output.filename" value="result.txt" />
<arc:push item="output" />
```

输出数据如下所示：

```
The file zipthis\ has a compressed size of 0 bytes and an uncompressed size of 0 bytes. The last modified time is 2023-01-31 10:29:18.
The file zipthis\movies.xml has a compressed size of 252 bytes and an uncompressed size of 782 bytes. The last modified time is 2022-11-15 13:14:36.
The file zipthis\rickybobby.xml has a compressed size of 74 bytes and an uncompressed size of 78 bytes. The last modified time is 2022-11-21 13:31:54.
The file zipthis\subaru.xml has a compressed size of 97 bytes and an uncompressed size of 172 bytes. The last modified time is 2022-10-31 15:11:06.
The file MyTest\ has a compressed size of 0 bytes and an uncompressed size of 0 bytes. The last modified time is 2023-08-29 16:40:06.
The file MyTest\file1.xml has a compressed size of 5348 bytes and an uncompressed size of 50304 bytes. The last modified time is 2023-08-29 16:40:06.
The file MyTest\file2.xml has a compressed size of 4135 bytes and an uncompressed size of 40953 bytes. The last modified time is 2023-08-29 16:40:06.
The file MyTest\file3.json has a compressed size of 5717 bytes and an uncompressed size of 46924 bytes. The last modified time is 2023-08-29 16:40:06.
The file MyTest\file4.json has a compressed size of 8320 bytes and an uncompressed size of 75023 bytes. The last modified time is 2023-08-29 16:40:06.
```