PNG  IHDR pHYs   OiCCPPhotoshop ICC profilexڝSgTS=BKKoR RB&*! J!QEEȠQ, !{kּ> H3Q5 B.@ $pd!s#~<<+"x M0B\t8K@zB@F&S`cbP-`'{[! eDh;VEX0fK9-0IWfH  0Q){`##xFW<+*x<$9E[-qWW.(I+6aa@.y24x6_-"bbϫp@t~,/;m%h^ uf@Wp~<5j>{-]cK'Xto(hw?G%fIq^D$.Tʳ?D*A, `6B$BB dr`)B(Ͱ*`/@4Qhp.U=pa( Aa!ڈbX#!H$ ɈQ"K5H1RT UH=r9\F;2G1Q= C7F dt1r=6Ыhڏ>C03l0.B8, c˱" VcϱwE 6wB aAHXLXNH $4 7 Q'"K&b21XH,#/{C7$C2'ITFnR#,4H#dk9, +ȅ3![ b@qS(RjJ4e2AURݨT5ZBRQ4u9̓IKhhitݕNWGw Ljg(gwLӋT071oUX**| J&*/Tު UUT^S}FU3S ԖUPSSg;goT?~YYLOCQ_ cx,!k u5&|v*=9C3J3WRf?qtN (~))4L1e\kXHQG6EYAJ'\'GgSSݧ M=:.kDwn^Loy}/TmG X $ <5qo</QC]@Caaᄑ.ȽJtq]zۯ6iܟ4)Y3sCQ? 0k߬~OCOg#/c/Wװwa>>r><72Y_7ȷOo_C#dz%gA[z|!?:eAAA!h쐭!ΑiP~aa~ 'W?pX15wCsDDDޛg1O9-J5*>.j<74?.fYXXIlK9.*6nl {/]py.,:@LN8A*%w% yg"/6шC\*NH*Mz쑼5y$3,幄'L Lݛ:v m2=:1qB!Mggfvˬen/kY- BTZ(*geWf͉9+̳ې7ᒶKW-X潬j9(xoʿܔĹdff-[n ڴ VE/(ۻCɾUUMfeI?m]Nmq#׹=TR+Gw- 6 U#pDy  :v{vg/jBFS[b[O>zG499?rCd&ˮ/~јѡ򗓿m|x31^VwwO| (hSЧc3- cHRMz%u0`:o_F@8N ' p @8N@8}' p '#@8N@8N pQ9p!i~}|6-ӪG` VP.@*j>[ K^<֐Z]@8N'KQ<Q(`s" 'hgpKB`R@Dqj '  'P$a ( `D$Na L?u80e J,K˷NI'0eݷ(NI'؀ 2ipIIKp`:O'`ʤxB8Ѥx Ѥx $ $P6 :vRNb 'p,>NB 'P]-->P T+*^h& p '‰a ‰ (ĵt#u33;Nt̵'ޯ; [3W ~]0KH1q@8]O2]3*̧7# *p>us p _6]/}-4|t'|Smx= DoʾM×M_8!)6lq':l7!|4} '\ne t!=hnLn (~Dn\+‰_4k)0e@OhZ`F `.m1} 'vp{F`ON7Srx 'D˸nV`><;yMx!IS钦OM)Ե٥x 'DSD6bS8!" ODz#R >S8!7ّxEh0m$MIPHi$IvS8IN$I p$O8I,sk&I)$IN$Hi$I^Ah.p$MIN$IR8I·N "IF9Ah0m$MIN$IR8IN$I 3jIU;kO$ɳN$+ q.x* tEXtComment

Viewing File: /opt/go/pkg/mod/github.com/aws/aws-sdk-go@v1.55.5/example/service/s3/concatObjects/concatObjects.go

//go:build example
// +build example

package main

import (
	"log"
	"net/url"
	"os"

	"github.com/aws/aws-sdk-go/aws"
	"github.com/aws/aws-sdk-go/aws/session"
	"github.com/aws/aws-sdk-go/service/s3"
)

type client struct {
	s3Client *s3.S3
	bucket   *string
}

// concatenate will contenate key1's object to key2's object under the key testKey
func (c *client) concatenate(key1, key2, key3 string, uploadID *string) (*string, *string, error) {
	// The first part to be uploaded which is represented as part number 1
	foo, err := c.s3Client.UploadPartCopy(&s3.UploadPartCopyInput{
		Bucket:     c.bucket,
		CopySource: aws.String(url.QueryEscape(*c.bucket + "/" + key1)),
		PartNumber: aws.Int64(1),
		Key:        &key3,
		UploadId:   uploadID,
	})
	if err != nil {
		return nil, nil, err
	}

	// The second part that is going to be appended to the newly created testKey
	// object.
	bar, err := c.s3Client.UploadPartCopy(&s3.UploadPartCopyInput{
		Bucket:     c.bucket,
		CopySource: aws.String(url.QueryEscape(*c.bucket + "/" + key2)),
		PartNumber: aws.Int64(2),
		Key:        &key3,
		UploadId:   uploadID,
	})
	if err != nil {
		return nil, nil, err
	}
	// The ETags are needed to complete the process
	return foo.CopyPartResult.ETag, bar.CopyPartResult.ETag, nil
}

func main() {
	if len(os.Args) < 4 {
		log.Println("USAGE ERROR: AWS_REGION=us-east-1 go run concatenateObjects.go <bucket> <key for object 1> <key for object 2> <key for output>")
		return
	}

	bucket := os.Args[1]
	key1 := os.Args[2]
	key2 := os.Args[3]
	key3 := os.Args[4]
	sess := session.New(&aws.Config{})
	svc := s3.New(sess)

	c := client{svc, &bucket}

	// We let the service know that we want to do a multipart upload
	output, err := c.s3Client.CreateMultipartUpload(&s3.CreateMultipartUploadInput{
		Bucket: &bucket,
		Key:    &key3,
	})

	if err != nil {
		log.Println("ERROR:", err)
		return
	}

	foo, bar, err := c.concatenate(key1, key2, key3, output.UploadId)
	if err != nil {
		log.Println("ERROR:", err)
		return
	}

	// We finally complete the multipart upload.
	_, err = c.s3Client.CompleteMultipartUpload(&s3.CompleteMultipartUploadInput{
		Bucket:   &bucket,
		Key:      &key3,
		UploadId: output.UploadId,
		MultipartUpload: &s3.CompletedMultipartUpload{
			Parts: []*s3.CompletedPart{
				{
					ETag:       foo,
					PartNumber: aws.Int64(1),
				},
				{
					ETag:       bar,
					PartNumber: aws.Int64(2),
				},
			},
		},
	})
	if err != nil {
		log.Println("ERROR:", err)
		return
	}
}
Back to Directory=ceiIENDB`