Merge pull request #1340 from HansHoogerwerf/date-nanosecond-support-check

Verify the linux OS supports nanoseconds

1 files changed, 10 insertions, 6 deletions

diff --git a/include/functions b/include/functions
index 5b211707..38cc46b3 100644
--- a/include/functions
+++ b/include/functions
@@ -2562,14 +2562,18 @@
 
     GetTimestamp() {
         ts=0
-        case "${OS}" in
-            "Linux")
+        # Detect if the implementation of date supports nanoseconds,
+        if [ "${OS}" = "Linux" ]; then
+            current_nanoseconds=$(date "+%N")
+            # Verify if the result of the command is a number
+            if [ -n "$current_nanoseconds" ] && [ "$current_nanoseconds" -eq "$current_nanoseconds" ] 2>/dev/null; then
                 ts=$(date "+%s%N")
-            ;;
-            *)
+            else
                 ts=$(date "+%s")
-            ;;
-        esac
+            fi
+        else
+            ts=$(date "+%s")
+        fi
         echo $ts
     }