netbsd: memory detection

pfetch

@@ -394,6 +394,23 @@ get_memory() {
             # the used memory amount, I'll be able to add support here.
             mem_full=$(($(sysctl -n hw.physmem) / 1024 / 1024))
         ;;
+
+        NetBSD*)
+            mem_full=$(($(sysctl -n hw.physmem64) / 1024 / 1024))
+
+            # NetBSD implements a lot of the Linux '/proc' filesystem,
+            # this uses the same parser as the Linux memory detection.
+            while IFS=:k read -r key val _; do
+                case $key in
+                    MemFree)
+                        mem_free=$((val / 1024))
+                        break
+                    ;;
+                esac
+            done < /proc/meminfo
+
+            mem_used=$((mem_full - mem_free))
+        ;;
     esac
 
     log memory "${mem_used:-?}MiB / ${mem_full:-?}MiB" >&6