Mac shell使用技巧总结

/Systme/Library/Extensions		// 驱动所在目录
/User/XXX/Desktop				// 桌面目录

chflags nohidden ~/Library/		// 显示资源库
chflags hidden ~/Library/		// 隐藏资源库

touch abc.txt   // 创建 abc.txt 文件
vim abc.txt     // vim编辑 abc.txt 
:wq             // vim保存并退出
:x              // vim直接退出
nano abc.txt   // nano编辑 abc.txt 

textutil -convert html file.extension

shutdown - r now      // 重启 Mac OS X
shutdown now          // 关闭 Mac OS X

pmset -g                      // 获取当前电源管理设置的信息
sudo pmset displaysleep 15    // 设置显示器无活动15分钟后关闭
sudo pmset sleep 30           // 让计算机在无活动30分钟后休眠

// 禁用仪表盘
defaults write com.apple.dashboard mcx-disabled -boolean YES
// 启用仪表盘
defaults write com.apple.dashboard mcx-disabled -boolean NO

// 终端输入后重启Finder即可
defaults write com.apple.finder AppleShowAllFiles -bool true // 显示
defaults write com.apple.finder AppleShowAllFiles -bool false // 隐藏

// 禁止.DS_Store文件生成
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool TRUE 
// 恢复.DS_Store文件生成
defaults delete com.apple.desktopservices DSDontWriteNetworkStores
// 删除所有.DS_Store文件 
sudo find / -name ".DS_Store" -depth -exec rm {} \;

defaults write com.apple.iTunes invertStoreLinks -bool YES  // 更改 iTunes 链接行为为本机 iTunes 库，而不是 iTunes Store
defaults write com.apple.iTunes invertStoreLinks -bool NO  // 更改 iTunes 链接行为为 iTunes Store，而不是本机 iTunes 库

defaults write com.apple.screencapture location XXX   // XXX为存放位置

defaults write com.apple.screencapture disable-shadow -bool true

defaults write com.apple.Safari TargetedClicksCreateTabs -bool true

curl -I www.baidu.com | head -n 1

dig www.oschina.net A
dig www.oschina.net MX

netstat -r        // 显示系统路由表
netstat -an       // 显示活动网络连接
netstat -s        // 显示网络统计

history            // 查看终端输入历史
clear              // 清空bash输入框

killall Finder						// 重启Finder
killall Dock						// 重启Dock
defaults delete com.apple.dock		// 重置系统Dock
killall SystemUIServer				// 结束进程

// 在当前路径下搜索名字中包含`.md`的文件
find ~ -iname  "*.md"
// 在特定的路径下搜索特定的文件
find SilverBulletZyp.github.io/_posts "*.md"

// 搜索本地所有的.md文件
mdfind -name ".md"
// 搜索本地名为fenxiang@2x文件位置
mdfind -name fenxiang@2x
// 搜索本地所有包含该字段的文件
mdfind "正在连接聊天服务器"
// 添加-onlyin参数搜索指定目录指定文件或文件字段
mdfind -onlyin ~/company/ "正在连接聊天服务器"
mdfind -onlyin ~/company/ plist

sudo spctl --master-disable

diskutil list
sudo vim /etc/fstab

LABEL=Win\040Ntfs\040Drive none ntfs rw,auto,nobrowse
// \040代表空格

sudo ln -s /Volumes ~/Desktop/Volumes

#! /bin/bash       // 脚本首行默认

[ -f "somefile" ]    //判断是否是一个文件
[ -x "/bin/ls" ]     //判断/bin/ls是否存在并有可执行权限
[ -n "$var" ]        // 判断$var变量是否有值
[ "$a" = "$b" ]      // 判断$a和$b是否相等

varOne=1
varTwo=2
varThree=3
if [ "$varOne" = "$varTwo" ]; then
    echo "varTwo:$varTwo"
elif [ "$varOne" = "$varThree" ]; then
    echo "varThree:$varThree"
else
    echo "varOne:$varOne"
fi

varOne=1
varTwo=2
varThree=3
if [ "$varOne" = "$varThree" ] || [ "$varOne" = "$varTwo" ]; then
    echo "|| 进入"
else
    echo "No || 进入"
fi
if [ "$varOne" = "$varOne" ] && [ "$varOne" = "$varTwo" ]; then
    echo "&& 进入"
else
    echo "No && 进入"
fi

ftype=`file "$1"`   # Note ' and ` is different
case "$ftype" in
"$1: Zip archive"*)
unzip "$1" ;;
"$1: gzip compressed"*)
gunzip "$1" ;;
"$1: bzip2 compressed"*)
bunzip2 "$1" ;;
*) echo "File $1 can not be uncompressed with smartzip";;
esac

select var in ... ; do
　break;
done

echo "What is your favourite OS?"
select var in "Linux" "Gnu Hurd" "Free BSD" "Other"; do
  break;
done
echo "You have selected $var"

varOne=1
varTwo=1
# while
while [ "$varOne" = "$varOne" ]; do
    echo "while Done"
    break
done
#  for
for varStr in H I M I ; do
    echo "varStr is $varStr"
done

chmod +x yourScriptName

./yourScriptName

sh -x yourScriptName

sh -n yourScriptName    

diff "${PODS_ROOT}/../Podfile.lock" "${PODS_ROOT}/Manifest.lock" > /dev/null
if [[ $? != 0 ]] ; then
    cat << EOM
error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.
EOM
    exit 1
fi

diff "${PODS_ROOT}/../Podfile.lock" "${PODS_ROOT}/Manifest.lock" > /dev/null
if [[ $? != 0 ]] ; then
    pod install --project-directory="${PODS_ROOT}/../"
fi