并行使用s3cmd将文件上传到s3

问题描述：

我在服务器上有一堆文件，我想将它们上传到S3.这些文件以.data扩展名存储，但实际上它们只是一堆jpeg，png，zip或pdf.

I've got a whole heap of files on a server, and I want to upload these onto S3. The files are stored with a .data extension, but really they're just a bunch of jpegs,pngs,zips or pdfs.

我已经写了一个简短的脚本，该脚本可以找到mime类型并将其上传到S3上，并且可以运行，但是速度很慢.有什么办法可以使用gnu并行运行以下内容?

I've already written a short script which finds the mime type and uploads them onto S3 and that works but it's slow. Is there any way to make the below run using gnu parallel?

#!/bin/bash

for n in $(find -name "*.data") 
do 
        data=".data" 
        extension=`file $n | cut -d ' ' -f2 | awk '{print tolower($0)}'` 
        mimetype=`file --mime-type $n | cut -d ' ' -f2`
        fullpath=`readlink -f $n`

        changed="${fullpath/.data/.$extension}"

        filePathWithExtensionChanged=${changed#*internal_data}

        s3upload="s3cmd put -m $mimetype --acl-public $fullpath s3://tff-xenforo-data"$filePathWithExtensionChanged     

        response=`$s3upload`
        echo $response 

done

我也相信总体上可以大大改善此代码:)反馈提示将不胜感激.

Also I'm sure this code could be greatly improved in general :) Feedback tips would be greatly appreciated.

答

您显然精于编写Shell，并且非常接近解决方案:

You are clearly skilled in writing shell, and extremely close to a solution:

s3upload_single() {
    n=$1
    data=".data" 
    extension=`file $n | cut -d ' ' -f2 | awk '{print tolower($0)}'` 
    mimetype=`file --mime-type $n | cut -d ' ' -f2`
    fullpath=`readlink -f $n`

    changed="${fullpath/.data/.$extension}"

    filePathWithExtensionChanged=${changed#*internal_data}

    s3upload="s3cmd put -m $mimetype --acl-public $fullpath s3://tff-xenforo-data"$filePathWithExtensionChanged     

    response=`$s3upload`
    echo $response 
}
export -f s3upload_single
find -name "*.data" | parallel s3upload_single

并行使用s3cmd将文件上传到s3

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