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create_swap.sh

@@ -5,10 +5,13 @@
 ####                                      ####
 #### Author: Phil Connor                  ####
 #### Contact: pconnor@ara.com             ####
-#### Version 3.50.20250729                ####
+#### Version 3.51.20250729                ####
 ####                                      ####
 #### Created 06/01/2023                   ####
 ##############################################
+# v3.51 changes:
+#   - Fixed: grep in pipeline crashes under set -euo pipefail when no matches found. Added || true guard
+##############################################
 
 # Exit on any error, undefined variables, and pipe failures
 set -euo pipefail
@@ -68,7 +71,7 @@ detect_os() {
 get_memory_gb() {
     local mem_kb
     # Extract memory from /proc/meminfo (in KB)
-    mem_kb=$(grep MemTotal /proc/meminfo | awk '{print $2}')
+    mem_kb=$({ grep MemTotal /proc/meminfo || true; } | awk '{print $2}')
     
     if [[ -z "$mem_kb" || "$mem_kb" -eq 0 ]]; then
         error "Unable to determine system memory"