chore: improve bash compatibility

Author: AleMercadal

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [1.0.1] - 2025-11-20
+
+### Changed
+- Improved compatibility by replacing `mapfile` with more widely supported bash syntax
+
 ## [1.0.0] - 2025-11-17
 
 Initial release - Simple AWS SSM connect tool for EC2 instances.

VERSION

@@ -1 +1 @@
-1.0.0
+1.0.1

bin/aws-ssm-connect

@@ -10,7 +10,7 @@
 
 set -eu
 
-VERSION="1.0.0"
+VERSION="1.0.1"
 SCRIPT_NAME="$(basename "$0")"
 
 # Colors for output
@@ -240,7 +240,10 @@ main() {
         exit 1
     fi
 
-    mapfile -t LINES <<< "$INSTANCES"
+    LINES=()
+    while IFS= read -r line; do
+        LINES+=("$line")
+    done <<< "$INSTANCES"
 
     # If only one instance found, connect directly
     if [ "${#LINES[@]}" -eq 1 ]; then