| #!/bin/sh | |
| total="$(free -m | grep Mem: | awk '{ print $2 }')" | |
| used="$(free -m | grep Mem: | awk '{ print $3 }')" | |
| free=$(expr $total - $used) | |
| if [ "$1" = "total" ]; then | |
| echo $total | |
| elif [ "$1" = "used" ]; then | |
| echo $used | |
| elif [ "$1" = "free" ]; then | |
| echo $free | |
| fi |