keep focus

keep-focus.md

This script will redirect the websites which may affect your concentration to /etc/hosts file.

keep_focus.sh

websites=(
"mp.weixin.qq.com"  # 微信公众号/订阅号
"km.woa.com"        # 乐问
"github.com"        # 全球最大同性交友网站
"weibo.com"         # 我是不刷微博的
# <= 瘾大的自己在后边继续添加
)

anchor1="## focus host setting: refusing the following website accessing"
anchor2="## focus host setting end"
hosts_file=/etc/hosts

function focus_on() {
  s=$anchor1"\n"
  for website in ${websites[@]}; do
    s+="127.0.0.1 ${website}\n"
  done
  s+=$anchor2

  grep "$anchor1" $hosts_file &> /dev/null
  if [[ $? == 1 ]]; then
    echo $s >> $hosts_file
  fi
}

function focus_off() {
  grep "$anchor1" $hosts_file &> /dev/null
  if [[ $? == 1 ]]; then
    return
  fi

  l1=`grep -n "$anchor1" $hosts_file | awk -F':' '{print $1}'`
  l2=`grep -n "$anchor2" $hosts_file | awk -F':' '{print $1}'`
  sed -i.focus_bak "${l1},${l2}d" $hosts_file
}


if [[ $1 == "focus_off" ]]; then
  focus_off
else
  focus_on
fi