tar
1.压缩文件夹时忽略.git
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| tar --exclude-vcs -zcvf foo.tar.gz ./FOLDER_NAME
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https://unix.stackexchange.com/questions/18657/tar-a-folder-without-git-files
2.多线程压缩
使用pigz实现多线程压缩
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| tar --use-compress-program="pigz --best --recursive" -cf archive.tar.gz YourData
# 显示压缩进度
tar --use-compress-program="pigz --best --recursive | pv" -cf archive.tar.gz YourData
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https://stackoverflow.com/questions/36917882/how-to-use-pigz-with-tar
wget 命令
将下载的结果输出到命令行：
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| wget -qO- http://whatever.com/page.php
# 或者
wget -qO /dev/null http://whatever.com/page.php
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https://superuser.com/questions/321240/how-do-you-redirect-wget-response-to-standard-out
运行来自url的shell脚本
以下命令仅在bash中测试过：
不带参数：
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| curl -sSL http://mywebsite.com/myscript.txt | bash
# 或者
wget -qO- http://mywebsite.com/myscript.txt | bash
# 或者
bash <(wget -qO- http://mywebsite.com/myscript.txt)
# 或者
source <(curl -s http://mywebsite.com/myscript.txt)
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带参数：
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| curl -sSL http://mywebsite.com/myscript.txt | bash -s arg1 arg2
# 或者
curl -sSL http://mywebsite.com/myscript.txt | bash -s -- arg1 arg2
# 或者
curl -sSL http://mywebsite.com/myscript.txt | bash /dev/stdin arg1 arg2
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https://stackoverflow.com/questions/5735666/execute-bash-script-from-url
https://unix.stackexchange.com/questions/622213/pass-args-to-bash-script-from-git-using-curl
rsync 命令
利用 rsync 快速删除海量文件
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| mkdir empty_dir
rsync -a --delete empty_dir/ yourdirectory/
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https://unix.stackexchange.com/questions/37329/efficiently-delete-large-directory-containing-thousands-of-files