save output in /dev/shm

diff --git a/gnt-pv-usage.sh b/gnt-pv-usage.sh
index 8b26ff8..5e3f39f 100755 (executable)
--- a/gnt-pv-usage.sh
+++ b/gnt-pv-usage.sh
@@ -1,2 +1,4 @@
-gnt-cluster command -M pvs --units t --noheadings | grep -v '^return' | awk '{ print $0 " " $6 - $7 }'
+#!/bin/sh -xe
+
+gnt-cluster command -M pvs --units t --noheadings | grep -v '^return' | awk '{ print $0 " " $6 - $7 }' | tee /dev/shm/gnt-pv-usage