?? on_ac_power
#!/bin/sh## Returns 0 (true) if on AC power; 1 (false) if on battery power or unknown.# If false, prints the current battery level on stdout.## Example shell script:## if on_ac_power >/dev/null; then# echo On AC power...# else# echo On battery power: battery level is $(on_ac_power)# fi## if no /proc/apm, assume we're on wall power.[ ! -f /proc/apm ] && exit 0;exec awk </proc/apm ' /^[0-9.]* [0-9.]* 0x.. 0x../ { if ($4 == "0x01") exit 0; else { sub("%", "", $7); sub("-1", "100", $7); print $7; exit 1; } }'?? 快捷鍵說(shuō)明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -