CentOS屏幕选择功能讲解

[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}