CentOS屏幕选择功能讲解_RedHat/Centos_操作系统_

[root@localhost ~]# vim load_xrandr.py # -.- coding:utf-8 -.- __author__ = 'root' import os # 列出显示器及分辨率 getScreens = os.popen(""" vgas=$(xrandr | grep " connected"); [ $(echo "$vgas" | wc -l) -gt 1 ] && { for i in $(echo "$vgas" | awk '{print $1}'); do echo $i xrandr | grep "$i connected" -A 1 | awk -F"x" '{print $1}' | tail -n 1 | sed "s/ //g" done }""").readlines() # 处理换行符号 for i in range(len(getScreens)): getScreens[i] = getScreens[i].replace("\n", "") # 比对出分辨率较大的显示器 if int(getScreens[1]) < int(getScreens[3]): bigger = getScreens[2] little = getScreens[0] else: bigger = getScreens[0] little = getScreens[2] # 使用较大的显示器作为当前输出. os.popen("xrandr --output %s --auto --output %s --off" % (bigger, little))

[root@localhost ~]# vim .bashrc [ $(xrandr | grep " connected" | wc -l) -gt 1 ] && { /usr/local/Python-2.7.8/bin/python /root/load_xrandr.py }