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git clone https://github.com/aria2/aria2.git

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xcode-select --install

brew install autoconf automake cppunit libtool libxml2 gettext openssl pkg-config sqlite zlib

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cd aria2/src
vim OptionHandlerFactory.cc

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OptionHandler* op(new NumberOptionHandler(PREF_MAX_CONNECTION_PER_SERVER,
                                               TEXT_MAX_CONNECTION_PER_SERVER,
                                               "1", 1, 16, 'x'));

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pip install:
pip3 install asciinema

yum install:
yum install asciinema

homebrew install:
brew install asciinema

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开始录屏
asciinema rec

停止录屏
Ctrl+D 或 exit 然后Ctrl+C

本地播放
asciinema play filename

URL播放
asciinema play http(s)://asciinema.org/a/22124.cast

上传到asciinema服务器
asciinema upload filename

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break     default      func     interface    select
case      defer        go       map          struct
chan      else         goto     package      switch
const     fallthrough  if       range        type
continue  for          import   return       var

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func main() {
    //跳出循环
    for i := 0; i < 10; i++ {
        fmt.Println(i)
        if i == 6 {
            break
        }
    }
}

---------------------------------
0
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Process finished with exit code 0

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hset key filed value
set key value

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cat d1.txt | redis-cli -a runoob

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cat d1.txt | redis-cli -a runoob --pipe

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cat d1.txt | redis-cli -a runoob -p 6380 -h 192.168.1.100 --pipe

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fdisk -l     
lvmdiskscan