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expand-drive.sh

@@ -7,10 +7,13 @@
 #### Author: Phil Connor                                 ####
 #### Contact: contact@mylinux.work                       ####
 #### License: MIT                                        ####
-#### Version: 2.3                                        ####
+#### Version: 2.4                                        ####
 ####                                                     ####
 #### Usage: sudo ./expand-drive.sh                       ####
 #############################################################
+# v2.4 changes:
+#   - Fixed: grep in pipeline crashes under set -euo pipefail when no matches found. Added || true guard
+#############################################################
 
 # Set strict error handling:
 # -e: Exit immediately if a command exits with a non-zero status
@@ -189,7 +192,7 @@ process_partition() {
 
     # Extract partition number from device path (e.g., extract "1" from "/dev/sda1")
     local part_num
-    part_num=$(echo "$partition" | grep -o '[0-9]\+$' | tail -1)
+    part_num=$(echo "$partition" | { grep -o '[0-9]\+$' || true; } | tail -1)
     if [ -z "$part_num" ]; then
         log_error "Could not extract partition number from $partition"
         return 1
@@ -293,7 +296,7 @@ main() {
     # Get list of all disk devices in the system using lsblk
     # Filter for disk type and extract device names
     local devices
-    devices=$($LSBLK_PATH -pln -o NAME,TYPE | grep "disk" | cut -d' ' -f1)
+    devices=$($LSBLK_PATH -pln -o NAME,TYPE | { grep "disk" || true; } | cut -d' ' -f1)
 
     # Verify we found at least one disk device
     if [ -z "$devices" ]; then