mac

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常见问题

  1. mac 无法直接输入汉字,杀进程就行了

    safari连接不上网络,sudo killall -9 networkd

  2. terminal 切换到 root 提示

    sh: autojump_add_to_database: command not found

    切换 root 使用su - root即可解决这个问题

  3. command + tab 切换应用无反应 Command+tab 键，选中到那个应用之后，再松开 tab 键，按住 option 键，然后再松开 Command 键就可以显示窗口了

命令

more 1.txt|pbcopy
将文件内容复制到剪切板
pbpaste >> 1.txt
将剪切板内容复制到文件
pandoc
markdown 转换为 doc，pdf 等
ncdu
查看当前目录文件大小
mdfind
spotlight 搜索
fzf
模糊搜索工具,进入 fzf 模式
enca
字符集转码
bwm-ng
实时网速显示
ag
文本搜索工具

合并 PDF

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"/System/Library/Automator/Combine PDF Pages.action/Contents/Resources/join.py" -o  ~/Downloads/1.pdf    ~/*.pdf

"/System/Library/Automator/Combine PDF Pages.action/Contents/Resources/join.py" -o  ~/Downloads/1.pdf    ~/1.pdf ~/2.pdf

打开class文件

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vim -b XXX.class
:%!xxd

快速搜索文本

使用 grep 命令搜索文件时输出行号（grep -n），在 iTerm2 中打开可以直接定位到行

虚拟机 ip 固定

在虚拟机/etc/hosts 配置 ip

alfred

模糊搜索时使用空格

workflow 插件地址

自定义插件

file types 指的是文件的 metadata 信息中的 kMDItemContentTypeTree

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$ mdls vim.md
_kMDItemOwnerUserID            = 501
kMDItemContentCreationDate     = 2020-09-16 07:06:53 +0000
kMDItemContentModificationDate = 2020-09-16 07:06:53 +0000
kMDItemContentType             = "net.daringfireball.markdown"
kMDItemContentTypeTree         = (
    "net.daringfireball.markdown",
    "public.plain-text",
    "public.text",
    "public.data",
    "public.item",
    "public.content"
)
kMDItemDateAdded               = 2020-09-16 07:06:53 +0000
kMDItemDisplayName             = "vim.md"
kMDItemFSContentChangeDate     = 2020-09-16 07:06:53 +0000
kMDItemFSCreationDate          = 2020-09-16 07:06:53 +0000
kMDItemFSCreatorCode           = ""
kMDItemFSFinderFlags           = 0
kMDItemFSHasCustomIcon         = (null)
kMDItemFSInvisible             = 0
kMDItemFSIsExtensionHidden     = 0
kMDItemFSIsStationery          = (null)
kMDItemFSLabel                 = 0
kMDItemFSName                  = "vim.md"
kMDItemFSNodeCount             = (null)
kMDItemFSOwnerGroupID          = 20
kMDItemFSOwnerUserID           = 501
kMDItemFSSize                  = 6093
kMDItemFSTypeCode              = ""
kMDItemKind                    = "Visual Studio Code document"
kMDItemLastUsedDate            = 2020-11-03 01:50:05 +0000
kMDItemLogicalSize             = 6093
kMDItemPhysicalSize            = 8192
kMDItemUseCount                = 6
kMDItemUsedDates               = (
    "2020-09-17 16:00:00 +0000",
    "2020-09-20 16:00:00 +0000",
    "2020-10-26 16:00:00 +0000",
    "2020-10-28 16:00:00 +0000",
    "2020-10-29 16:00:00 +0000",
    "2020-11-02 16:00:00 +0000"
)

命令行连接 wifi 脚本

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wifi(){
   networksetup -setairportpower en0 off
   networksetup -setairportpower en0 on
   status=`networksetup -setairportnetwork en0 semaphore asdfv123456`

   if [ ! -n "$status" ];then
      eixt
   fi

}

for (( a=1;a<4;a++))
do
   wifi
   sleep 1s
done