Implement mem_total for OS X

bsjung · Jan 19, 2017 · e829338 · e829338
1 parent d85488c
commit e829338
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/priv/bin/sys-attrs b/priv/bin/sys-attrs
@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+set -o pipefail
+
 OS=$(uname -s)
 
 cpu-desc() {
@@ -34,10 +36,12 @@ cpu-cores() {
 
 mem-total() {
     if [ "$OS" = "Darwin" ]; then
-        # TODO: use sysctl hw.memsize
-        echo ""
+        local mem_bytes
+        mem_bytes=`sysctl hw.memsize | awk '{ print $2 }'`
+        echo "$(( $mem_bytes / 1024 / 1024 )) MB"
     else
-        local mem_kb=`cat /proc/meminfo | grep MemTotal | awk '{ print $2 }'`
+        local mem_kb
+        mem_kb=`cat /proc/meminfo | grep MemTotal | awk '{ print $2 }'`
         echo "$(( $mem_kb / 1024 )) MB"
     fi
 }