Created
August 11, 2021 14:31
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read tar.gz file
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import org.apache.commons.compress.archivers.tar.TarArchiveEntry | |
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream | |
import org.apache.commons.io.FileUtils | |
import java.nio.file.Files | |
import java.util.zip.GZIPInputStream | |
url = new URL("http://xxx.tar.gz") | |
tempFile = Files.createTempFile(null, null) | |
tempFile.toFile().deleteOnExit() | |
FileUtils.copyURLToFile(url, tempFile.toFile()) | |
byte[] buffer = new byte[1024]; | |
try { | |
GZIPInputStream zis = new GZIPInputStream(new FileInputStream(tempFile.toFile())); | |
TarArchiveInputStream taris = new TarArchiveInputStream(zis) | |
TarArchiveEntry entry; | |
ByteArrayOutputStream bao = new ByteArrayOutputStream(); | |
while ((entry = taris.getNextTarEntry()) != null) { | |
//忽略目录,与crc校验文件 | |
if (entry.isDirectory() || entry.getName().endsWith(".crc")) { | |
continue; | |
} | |
//忽略空文件 | |
if (entry.getSize() == 0) { | |
continue; | |
} | |
int len; | |
while ((len = taris.read(buffer)) >0) { | |
bao.write(buffer, 0, len); | |
} | |
} | |
long lineNumber = new LineNumberReader(new InputStreamReader(new ByteArrayInputStream(bao.toByteArray()))).lines().count(); | |
println lineNumber | |
} catch (Exception e) { | |
throw new RuntimeException("gzip read fail", e); | |
} | |
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