- total = $2;
- used = $3;
- file = "/home/siraaj/var/run/status/disk_space_used_percentage";
- curr = round(used / total * 100);
- getline prev < file;
- print curr > file;
+ curr = $5;
+ sub("%$", "", curr);
+ prev_file = "/home/siraaj/var/run/status/disk_space_used_percentage";
+ getline prev < prev_file;
+ print curr > prev_file;