问题描述:

【解答】

[root@A04-Test-172 scripts]# more menu.sh #!/bin/bashecho "1.[install lamp]"echo "2.[install lnmp]"echo "3.[exit]"read -p "pls input the num you want: " numcase $num in    1)   if [ -f "/server/scripts/lamp.sh" ];   then       echo "start installing lamp"       /server/scripts/lamp.sh       echo "lamp is installed"   else       echo "the script /server/scripts/lamp.sh  is not exist!"   fi   exit;;   2)   if [ -f "/server/scripts/lnmp.sh" ];   then       echo "start installing lnmp"      /server/scri[ts/lamp.sh      echo "lnmp is installed"   else     echo "the script /server/scripts/lnmp.sh is not exist!"   fi   exit;;   3)   exit;;   *)   echo "Input error"   exit;;esac