From 5cfbc705f84846da845e880ce958beb4a0820ded Mon Sep 17 00:00:00 2001
From: Jeremy Lecour <jlecour@evolix.fr>
Date: Fri, 22 Oct 2021 13:42:18 +0200
Subject: [PATCH] Let's try the --version flag before falling back to grep for
 the constant

---
 evocheck.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/evocheck.sh b/evocheck.sh
index ab952fd..610d48a 100755
--- a/evocheck.sh
+++ b/evocheck.sh
@@ -1412,9 +1412,13 @@ get_version() {
         #    /path/to/my_command --get-version 
         #    ;;
 
-        ## When there is just an internal variable name
+        ## Let's try the --version flag before falling back to grep for the constant
         kvmstats | add-vm)
-            grep '^VERSION=' "${command}" | head -1 | cut -d '=' -f 2
+            if ${command} --version > /dev/null 2> /dev/null; then
+                 ${command} --version 2> /dev/null | head -1 | cut -d ' ' -f 3
+            else
+                grep '^VERSION=' "${command}" | head -1 | cut -d '=' -f 2
+            fi
             ;;
 
         ## General case to get the version