golangでのtarによるファイルの圧縮・解凍の詳細

    jdbc.driverClass=oracle.jdbc.driver.OracleDriver
    jdbc.url=jdbc:oracle:thin:@nantianpaydb.baidupay.com:8002:ntpzn jdbc.user=cif jdbc.password=cif #druid datasource druid.initialSize=10 druid.minIdle=10 druid.maxIdle=100 druid.maxActive=500 druid.maxWait=30000 druid.timeBetweenEvictionRunsMillis=60000 druid. minEvictableIdleTimeMillis=300000 druid.validationQuery=SELECT 1 from dual druid.testWhileIdle=true druid.testOnBorrow=false druid. testOnReturn=false druid.poolPreparedStatements=true druid.maxPoolPreparedStatementPerConnectionSize=20 druid.filters=wall,stat

druid.initialSize=10

> go run compress.go 

// tar decompression demo
// Here's a demo of unpacking from the source file and then outputting the file contents
// Author: Jebin Chen
// Reference: http://www.01happy.com/golang-tar/
package main
 
import (
    "archive/tar"
    "fmt"
    "io"
    "log"
    "os"
)
 
func main() {
    // NewReader method, which takes an io.
    // Reader object from the source file?
    // You open the file with os.Open and get an os.
    // Reader method, so you can pass it directly to tar.
    file, err := os.Open("file.tar.gz")
    if err ! = nil {
        log.Fatalln(err)
    }
    defer file.Close()
 
    // tar object reads the contents of the file, iterates through the contents of the output file
    tr := tar.NewReader(file)
    for {
        hdr, err := tr.Next()
        if err == io.EOF {
            break // End of archive
        break // End of archive }
        if err ! = nil {
            log.Fatal(err)
        }
        fmt.Printf("%s file content:\n", hdr.Name)
        if _, err := io.Copy(os.Stdout, tr); err ! = nil {
            log.Fatal(err)
        }
        fmt.Println()
    }
}

 > go run decompress.go