Downloading folders from aws s3 cp or sync

Question

If I want to download all the contents of a directory on S3 to my local PC  which command should I use cp or sync      Any help would be highly appreciated   For example   if I want to download all the contents of  this folder  to my desktop  would it look like this     aws s3 sync s3    myBucket   this folder  C   Users Desktop

User · Answer

In case you need to use another profile  especially cross account  you need to add the profile in the config file    profile profileName  region   us-east-1 role arn   arn aws iam  XXX role XXXX source profile   default   and then if you are accessing only a single file   aws s3 cp s3   crossAccountBucket dir localdir --profile profileName

User · Answer

In the case you want to download a single file  you can try the following command   aws s3 cp s3   bucket filename  path to dest folder

User · Answer

Just used version 2 of the AWS CLI  For the s3 option  there is also a --dryrun option now to show you what will happen   aws s3 --dryrun cp s3   bucket filename  path to dest folder --recursive

User · Answer

Using aws s3 cp from the AWS Command-Line Interface  CLI  will require the --recursive parameter to copy multiple files   aws s3 cp s3   myBucket dir localdir --recursive   The aws s3 sync command will  by default  copy a whole directory  It will only copy new modified files   aws s3 sync s3   mybucket dir localdir   Just experiment to get the result you want   Documentation    cp command sync command

User · Answer

sync method first lists both source and destination paths and copies only differences  name  size etc    cp --recursive method lists source path and copies  overwrites  all to the destination path  If you have possible matches in the destination path  I would suggest sync as one LIST request on the destination path will save you many unnecessary PUT requests - meaning cheaper and possibly faster

User · Answer

You ve many options to do that  but the best one is using the AWS CLI  Here s a walk-through   Download and install AWS CLI in your machine   Install the AWS CLI using the MSI Installer  Windows   Install the AWS CLI using the Bundled Installer for Linux  OS X  or Unix    Configure AWS CLI     Make sure you input valid access and secret keys  which you received when you created the account   Sync the S3 bucket using   aws s3 sync s3   yourbucket yourfolder  local path    In the above command  replace the following fields   yourbucket yourfolder  gt  gt  your S3 bucket and the folder that you want to download   local path  gt  gt  path in your local system where you want to download all the files

[windows] Downloading folders from aws s3, cp or sync?

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