Error[2]: preg_replace_callback(): Compilation failed: quantifier does not follow a repeatable item at offset 10, File: /www/wwwroot/outofmemory.cn/tmp/plugin_ss_superseo_model_superseo.php, Line: 445

File: /www/wwwroot/outofmemory.cn/tmp/plugin_ss_superseo_model_superseo.php, Line: 445, preg_replace_callback(/(?)( *** )/ , object , <===><===><===>bash不支持浮点数<===><===>你可以借助bc或者awk实现<===><===>方法一：<===><===>c=$(echo "5.01-4*2.0"|bc)<===><===>echo $c<===><===>-2.99<===><===>方法二：<===><===>c=$(awk 'BEGIN{print 7.01*5-4.01 }')<===><===>echo $c<===><===>31.04<===>bash不支持浮点数<===><===>你可以借助bc或者awk实现<===><===>方法一：<===><===>c=$(echo "5.01-4*2.0"|bc)<===><===>echo $c<===><===>-2.99<===><===>方法二：<===><===>c=$(awk 'BEGIN{print 7.01*5-4.01 }')<===><===>echo $c<===><===>31.04<===><===>想监视系统内存？好像是没法直接得到现成的百分比的，自己取值计算一下吧<===> <===>totalmem=`free -m | grep 'Mem' | awk '{print $3}'`<===> <===>usedmem=`free -m | grep 'Mem' | awk '{print $2}'`<===> <===>usage=$(bc<<EOF<===> <===>scale=4<===> <===>($freemem/$totalmem)*100<===> <===>EOF)<===> <===>freeusage=`echo $free | awk -F. '{print $1}'`<===> <===>echo "Free Memory Usage = $freeusage%"<===> <===>以前Solaris里的改了改<===> <===>只是个片段，需要什么判断之类自己填充到脚本里一点点加吧呵呵希望对你有帮助<===> <===>单要使用率的话二楼的更简练~~ 呵呵<===> <===>free -m | sed -n '2p' | awk '{print "used mem is "$3"M,total mem is "$2"M,used percent is "$3/$2*100"%"}'<===> <===><===> , 1)
File: /www/wwwroot/outofmemory.cn/tmp/route_read.php, Line: 126, InsideLink()
File: /www/wwwroot/outofmemory.cn/tmp/index.inc.php, Line: 165, include(/www/wwwroot/outofmemory.cn/tmp/route_read.php)
File: /www/wwwroot/outofmemory.cn/index.php, Line: 30, include(/www/wwwroot/outofmemory.cn/tmp/index.inc.php)