diff --git a/Laerdal.McuMgr.Bindings.MacCatalystAndIos.Native/Laerdal.Mac.CompileAndGenerateFatLibs.sh b/Laerdal.McuMgr.Bindings.MacCatalystAndIos.Native/Laerdal.Mac.CompileAndGenerateFatLibs.sh
index b3650095..c1c5743a 100755
--- a/Laerdal.McuMgr.Bindings.MacCatalystAndIos.Native/Laerdal.Mac.CompileAndGenerateFatLibs.sh
+++ b/Laerdal.McuMgr.Bindings.MacCatalystAndIos.Native/Laerdal.Mac.CompileAndGenerateFatLibs.sh
@@ -23,14 +23,14 @@ fi
 declare SWIFT_BUILD_CONFIGURATION="${SWIFT_BUILD_CONFIGURATION:-Release}" 
 
 declare SUPPORTS_MACCATALYST="${SUPPORTS_MACCATALYST:-NO}"
-declare XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY="$XCODEBUILD_TARGET_SDK$XCODEBUILD_TARGET_SDK_VERSION"
+declare XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY="${XCODEBUILD_TARGET_SDK}${XCODEBUILD_TARGET_SDK_VERSION}"
 
 declare SWIFT_OUTPUT_PATH="${SWIFT_OUTPUT_PATH:-./VendorFrameworks/swift-framework-proxy/}"
 
 declare SWIFT_PROJECT_NAME="McuMgrBindingsiOS"
-declare SWIFT_BUILD_PATH="./$SWIFT_PROJECT_NAME/build"
+declare SWIFT_BUILD_PATH="./${SWIFT_PROJECT_NAME}/build"
 declare SWIFT_BUILD_SCHEME="McuMgrBindingsiOS"
-declare SWIFT_PROJECT_PATH="./$SWIFT_PROJECT_NAME/$SWIFT_PROJECT_NAME.xcodeproj"
+declare SWIFT_PROJECT_PATH="./${SWIFT_PROJECT_NAME}/${SWIFT_PROJECT_NAME}.xcodeproj"
 declare SWIFT_PACKAGES_PATH="./packages"
 
 declare OUTPUT_FOLDER_POSTFIX=""
@@ -52,38 +52,38 @@ function print_setup() {
   sharpie   xcode  -sdks
 
   echo
-  echo "** SWIFT_BUILD_PATH            : '$SWIFT_BUILD_PATH'            "
-  echo "** SWIFT_OUTPUT_PATH           : '$SWIFT_OUTPUT_PATH'           "
-  echo "** SWIFT_BUILD_SCHEME          : '$SWIFT_BUILD_SCHEME'          "
-  echo "** SWIFT_PROJECT_NAME          : '$SWIFT_PROJECT_NAME'          "
-  echo "** SWIFT_PROJECT_PATH          : '$SWIFT_PROJECT_PATH'          "
-  echo "** SWIFT_PACKAGES_PATH         : '$SWIFT_PACKAGES_PATH'         "
-  echo "** SWIFT_BUILD_CONFIGURATION   : '$SWIFT_BUILD_CONFIGURATION'   "
+  echo "** SWIFT_BUILD_PATH            : '${SWIFT_BUILD_PATH}'            "
+  echo "** SWIFT_OUTPUT_PATH           : '${SWIFT_OUTPUT_PATH}'           "
+  echo "** SWIFT_BUILD_SCHEME          : '${SWIFT_BUILD_SCHEME}'          "
+  echo "** SWIFT_PROJECT_NAME          : '${SWIFT_PROJECT_NAME}'          "
+  echo "** SWIFT_PROJECT_PATH          : '${SWIFT_PROJECT_PATH}'          "
+  echo "** SWIFT_PACKAGES_PATH         : '${SWIFT_PACKAGES_PATH}'         "
+  echo "** SWIFT_BUILD_CONFIGURATION   : '${SWIFT_BUILD_CONFIGURATION}'   "
   echo
-  echo "** OUTPUT_FOLDER_NAME                : '$OUTPUT_FOLDER_NAME'                "
-  echo "** OUTPUT_SHARPIE_HEADER_FILES_PATH  : '$OUTPUT_SHARPIE_HEADER_FILES_PATH'  "
+  echo "** OUTPUT_FOLDER_NAME                : '${OUTPUT_FOLDER_NAME}'                "
+  echo "** OUTPUT_SHARPIE_HEADER_FILES_PATH  : '${OUTPUT_SHARPIE_HEADER_FILES_PATH}'  "
   echo
-  echo "** SUPPORTS_MACCATALYST                       : '$SUPPORTS_MACCATALYST'                       "
+  echo "** SUPPORTS_MACCATALYST                       : '${SUPPORTS_MACCATALYST}'     "
   echo
   echo "** XCODE_IDE_DEV_PATH                         : '${XCODE_IDE_DEV_PATH:-(No path specified so the system-wide default xcode currently in effect will be used)}'"
   echo
-  echo "** XCODEBUILD_TARGET_SDK                      : '$XCODEBUILD_TARGET_SDK'                      "
+  echo "** XCODEBUILD_TARGET_SDK                      : '${XCODEBUILD_TARGET_SDK}'                      "
   echo "** XCODEBUILD_TARGET_SDK_VERSION              : '${XCODEBUILD_TARGET_SDK_VERSION:-(No specific version specified so the latest version will be used)}'"
-  echo "** XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY  : '$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY'  "
+  echo "** XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY  : '${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}'  "
   echo
 }
 
 function set_system_wide_default_xcode_ide() {
-  if [ "$XCODE_IDE_DEV_PATH" != "" ]; then
+  if [ "${XCODE_IDE_DEV_PATH}" != "" ]; then
     declare -r currentXcodeDevPath=$( "xcode-select" --print-path )
-    if [ "${currentXcodeDevPath}" != "$XCODE_IDE_DEV_PATH" ]; then
-      echo "** Setting Xcode IDE path to '$XCODE_IDE_DEV_PATH' - remember to manually revert it back to '$currentXcodeDevPath' after the build is done!"
+    if [ "${currentXcodeDevPath}" != "${XCODE_IDE_DEV_PATH}" ]; then
+      echo "** Setting Xcode IDE path to '${XCODE_IDE_DEV_PATH}' - remember to manually revert it back to '${currentXcodeDevPath}' after the build is done!"
       
-      sudo xcode-select --switch "$XCODE_IDE_DEV_PATH"
+      sudo xcode-select --switch "${XCODE_IDE_DEV_PATH}"
       local exitCode=$?
 
-      if [ $exitCode -ne 0 ]; then
-        echo "** [FAILED] Failed to set xcode-select to '$XCODE_IDE_DEV_PATH'"
+      if [ ${exitCode} -ne 0 ]; then
+        echo "** [FAILED] Failed to set xcode-select to '${XCODE_IDE_DEV_PATH}'"
         exit 1
       fi
     fi
@@ -91,110 +91,110 @@ function set_system_wide_default_xcode_ide() {
 }
 
 function build() {
-  echo "** Building '$OUTPUT_FOLDER_NAME' framework for device ..."
+  echo "** Building '${OUTPUT_FOLDER_NAME}' framework for device ..."
 
   echo "**** (Build 1/3) Cleanup any possible traces of previous builds"
 
-  rm -Rf "$SWIFT_BUILD_PATH"
-  rm -Rf "$SWIFT_PACKAGES_PATH"
-  rm -Rf "$OUTPUT_SHARPIE_HEADER_FILES_PATH"
+  rm -Rf "${SWIFT_BUILD_PATH}"
+  rm -Rf "${SWIFT_PACKAGES_PATH}"
+  rm -Rf "${OUTPUT_SHARPIE_HEADER_FILES_PATH}"
 
-  echo "**** (Build 2/3) Restore packages for '$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY'"
+  echo "**** (Build 2/3) Restore packages for '${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}'"
 
   xcodebuild \
-    -sdk "$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY" \
+    -sdk "${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}" \
     -arch "arm64" \
-    -scheme "$SWIFT_BUILD_SCHEME" \
-    -project "$SWIFT_PROJECT_PATH" \
-    -configuration "$SWIFT_BUILD_CONFIGURATION" \
-    -clonedSourcePackagesDirPath "$SWIFT_PACKAGES_PATH" \
+    -scheme "${SWIFT_BUILD_SCHEME}" \
+    -project "${SWIFT_PROJECT_PATH}" \
+    -configuration "${SWIFT_BUILD_CONFIGURATION}" \
+    -clonedSourcePackagesDirPath "${SWIFT_PACKAGES_PATH}" \
     -resolvePackageDependencies
   local exitCode=$?
 
-  if [ $exitCode -ne 0 ]; then
-    echo "** [FAILED] Failed to download dependencies for '$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY'"
+  if [ ${exitCode} -ne 0 ]; then
+    echo "** [FAILED] Failed to download dependencies for '${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}'"
     exit 1
   fi
 
-  echo "**** (Build 3/3) Build for '$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY'"
+  echo "**** (Build 3/3) Build for '${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}'"
 
   # https://stackoverflow.com/a/74478244/863651
   xcodebuild \
-    -sdk "$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY" \
+    -sdk "${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}" \
     -arch "arm64" \
-    -scheme "$SWIFT_BUILD_SCHEME" \
-    -project "$SWIFT_PROJECT_PATH" \
-    -configuration "$SWIFT_BUILD_CONFIGURATION" \
-    -derivedDataPath "$SWIFT_BUILD_PATH" \
-    -clonedSourcePackagesDirPath "$SWIFT_PACKAGES_PATH" \
+    -scheme "${SWIFT_BUILD_SCHEME}" \
+    -project "${SWIFT_PROJECT_PATH}" \
+    -configuration "${SWIFT_BUILD_CONFIGURATION}" \
+    -derivedDataPath "${SWIFT_BUILD_PATH}" \
+    -clonedSourcePackagesDirPath "${SWIFT_PACKAGES_PATH}" \
     CODE_SIGN_IDENTITY="" \
     CODE_SIGNING_ALLOWED="NO" \
-    SUPPORTS_MACCATALYST="$SUPPORTS_MACCATALYST" \
+    SUPPORTS_MACCATALYST="${SUPPORTS_MACCATALYST}" \
     CODE_SIGNING_REQUIRED="NO"
   local exitCode=$?
 
-  if [ $exitCode -ne 0 ]; then
-    echo "** [FAILED] Failed to build '$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY'"
+  if [ ${exitCode} -ne 0 ]; then
+    echo "** [FAILED] Failed to build '${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}'"
     exit 1
   fi
 }
 
 function create_fat_binaries() {
-  echo "** Create fat binaries for '$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY-$SWIFT_BUILD_CONFIGURATION'"
+  echo "** Create fat binaries for '${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}-${SWIFT_BUILD_CONFIGURATION}'"
 
-  echo "**** (FatBinaries 1/8) Copy '$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY' build as a fat framework"
+  echo "**** (FatBinaries 1/8) Copy '${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}' build as a fat framework"
   cp \
     -R \
-    "$SWIFT_BUILD_PATH/Build/Products/$OUTPUT_FOLDER_NAME" \
-    "$SWIFT_BUILD_PATH/fat"
+    "${SWIFT_BUILD_PATH}/Build/Products/${OUTPUT_FOLDER_NAME}" \
+    "${SWIFT_BUILD_PATH}/fat"
   local exitCode=$?
 
-  if [ $exitCode -ne 0 ]; then
+  if [ ${exitCode} -ne 0 ]; then
     echo "** [FAILED] Failed to copy"
     exit 1
   fi
 
   echo "**** LISTING 'PRODUCTS' FILES"
-  ls -lR "$SWIFT_BUILD_PATH/Build/Products/"
+  ls -lR "${SWIFT_BUILD_PATH}/Build/Products/"
 
   echo "**** LISTING LIPO INPUT FILES"
-  ls -lR "$SWIFT_BUILD_PATH/Build/Products/$OUTPUT_FOLDER_NAME/$SWIFT_PROJECT_NAME.framework/$SWIFT_PROJECT_NAME"
+  ls -lR "${SWIFT_BUILD_PATH}/Build/Products/${OUTPUT_FOLDER_NAME}/${SWIFT_PROJECT_NAME}.framework/${SWIFT_PROJECT_NAME}"
 
-  echo "**** (FatBinaries 2/8) Turn artifacts in '$OUTPUT_FOLDER_NAME' into fat libraries"
+  echo "**** (FatBinaries 2/8) Turn artifacts in '${OUTPUT_FOLDER_NAME}' into fat libraries"
   lipo \
     -create \
-    -output "$SWIFT_BUILD_PATH/fat/$SWIFT_PROJECT_NAME.framework/$SWIFT_PROJECT_NAME" \
-    "$SWIFT_BUILD_PATH/Build/Products/$OUTPUT_FOLDER_NAME/$SWIFT_PROJECT_NAME.framework/$SWIFT_PROJECT_NAME"
+    -output "${SWIFT_BUILD_PATH}/fat/${SWIFT_PROJECT_NAME}.framework/${SWIFT_PROJECT_NAME}" \
+    "${SWIFT_BUILD_PATH}/Build/Products/${OUTPUT_FOLDER_NAME}/${SWIFT_PROJECT_NAME}.framework/${SWIFT_PROJECT_NAME}"
   local exitCode=$?
 
-  if [ $exitCode -ne 0 ]; then
+  if [ ${exitCode} -ne 0 ]; then
     echo "** [FAILED] Failed to combine configurations"
     exit 1
   fi
 
   echo "**** LISTING LIPO OUTPUT FILES"
-  ls -lR "$SWIFT_BUILD_PATH/fat/$SWIFT_PROJECT_NAME.framework/$SWIFT_PROJECT_NAME"
+  ls -lR "${SWIFT_BUILD_PATH}/fat/${SWIFT_PROJECT_NAME}.framework/${SWIFT_PROJECT_NAME}"
 
   echo "**** (FatBinaries 3/8) Verify results"
   lipo \
     -info \
-    "$SWIFT_BUILD_PATH/fat/$SWIFT_PROJECT_NAME.framework/$SWIFT_PROJECT_NAME"
+    "${SWIFT_BUILD_PATH}/fat/${SWIFT_PROJECT_NAME}.framework/${SWIFT_PROJECT_NAME}"
   local exitCode=$?
 
-  if [ $exitCode -ne 0 ]; then
+  if [ ${exitCode} -ne 0 ]; then
     echo "** [FAILED] Failed to verify results"
     exit 1
   fi
 
   echo "**** (FatBinaries 4/8) Copy fat frameworks to the output folder"
-  rm -Rf "$SWIFT_OUTPUT_PATH" &&
-    mkdir -p "$SWIFT_OUTPUT_PATH" &&
+  rm -Rf "${SWIFT_OUTPUT_PATH}" &&
+    mkdir -p "${SWIFT_OUTPUT_PATH}" &&
     cp -Rf \
-      "$SWIFT_BUILD_PATH/fat/$SWIFT_PROJECT_NAME.framework" \
-      "$SWIFT_OUTPUT_PATH"
+      "${SWIFT_BUILD_PATH}/fat/${SWIFT_PROJECT_NAME}.framework" \
+      "${SWIFT_OUTPUT_PATH}"
   local exitCode=$?
 
-  if [ $exitCode -ne 0 ]; then
+  if [ ${exitCode} -ne 0 ]; then
     echo "** [FAILED] Failed to copy fat frameworks"
     exit 1
   fi
@@ -203,16 +203,16 @@ function create_fat_binaries() {
   set -x
   sharpie \
     bind \
-    -sdk "$XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY" \
-    -scope "$SWIFT_OUTPUT_PATH/$SWIFT_PROJECT_NAME.framework/Headers/" \
-    -output "$OUTPUT_SHARPIE_HEADER_FILES_PATH" \
-    -namespace "$SWIFT_PROJECT_NAME" \
-    "$SWIFT_OUTPUT_PATH/$SWIFT_PROJECT_NAME.framework/Headers/$SWIFT_PROJECT_NAME-Swift.h" \
+    -sdk "${XCODEBUILD_TARGET_SDK_WITH_VERSION_IF_ANY}" \
+    -scope "${SWIFT_OUTPUT_PATH}/${SWIFT_PROJECT_NAME}.framework/Headers/" \
+    -output "${OUTPUT_SHARPIE_HEADER_FILES_PATH}" \
+    -namespace "${SWIFT_PROJECT_NAME}" \
+    "${SWIFT_OUTPUT_PATH}/${SWIFT_PROJECT_NAME}.framework/Headers/${SWIFT_PROJECT_NAME}-Swift.h" \
     -clang -arch arm64 # vital   needed for mac-catalyst
   local exitCode=$?
   set +x
 
-  if [ $exitCode -ne 0 ]; then
+  if [ ${exitCode} -ne 0 ]; then
     echo "** [FAILED] Failed to generate binding api definitions and structs"
     exit 1
   fi
@@ -220,53 +220,53 @@ function create_fat_binaries() {
   echo "**** (FatBinaries 6/8) Print metadata files in their original form"
 
   echo
-  echo "$OUTPUT_SHARPIE_HEADER_FILES_PATH/ApiDefinitions.cs (original):"
+  echo "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/ApiDefinitions.cs (original):"
   echo "==================================================="
-  cat "$OUTPUT_SHARPIE_HEADER_FILES_PATH/ApiDefinitions.cs"
+  cat "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/ApiDefinitions.cs"
   echo
   echo "===================================================="
   echo
 
   echo
-  echo "$OUTPUT_SHARPIE_HEADER_FILES_PATH/StructsAndEnums.cs (original):"
+  echo "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/StructsAndEnums.cs (original):"
   echo "===================================================="
-  cat "$OUTPUT_SHARPIE_HEADER_FILES_PATH/StructsAndEnums.cs"
+  cat "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/StructsAndEnums.cs"
   echo
   echo "===================================================="
   echo
 
   echo "**** (FatBinaries 7/8) Replace NativeHandle -> IntPtr in the generated c# files"
 
-  rm -f "$OUTPUT_SHARPIE_HEADER_FILES_PATH"/*.bak || :
+  rm -f "${OUTPUT_SHARPIE_HEADER_FILES_PATH}"/*.bak || :
 
   # starting from net8 sharpie seems to generate a file that is missing the using CoreBluetooth; directive from the top of the file so we have to add it ourselves
-  sed -i.bak '1s/^/using CoreBluetooth;\n/' "$OUTPUT_SHARPIE_HEADER_FILES_PATH/ApiDefinitions.cs"
+  sed -i.bak '1s/^/using CoreBluetooth;\n/' "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/ApiDefinitions.cs"
 
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak "s/NativeHandle[ ]/IntPtr /gi" {} \;
 
-  rm -f "$OUTPUT_SHARPIE_HEADER_FILES_PATH"/*.bak || :
+  rm -f "${OUTPUT_SHARPIE_HEADER_FILES_PATH}"/*.bak || :
 
   # also need to get rid of stupid autogenerated [verify(...)] attributes which are intentionally placed there
   # by sharpie to force manual verification of the .cs files that have been autogenerated
   #
   # https://learn.microsoft.com/en-us/xamarin/cross-platform/macios/binding/objective-sharpie/platform/verify
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/\[Verify\s*\(.*\)\]//gi' {} \;
 
-  rm -f "$OUTPUT_SHARPIE_HEADER_FILES_PATH"/*.bak || :
+  rm -f "${OUTPUT_SHARPIE_HEADER_FILES_PATH}"/*.bak || :
 
   # [BaseType (typeof(NSObject), Name = "...")]  ->  [BaseType (typeof(NSObject))]
   #  find \
-  #        "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+  #        "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
   #        -type f \
   #        -exec sed -i.bak 's/\[BaseType\s*\(.*_TtC17McuMgrBindingsiOS17IOSDeviceResetter.*\)\]/[BaseType (typeof(NSObject), Name = "IOSDeviceResetter")]/gi' {} \;
   #
-  #  rm -f "$OUTPUT_SHARPIE_HEADER_FILES_PATH"/*.bak || :
+  #  rm -f "${OUTPUT_SHARPIE_HEADER_FILES_PATH}"/*.bak || :
 
   # https://learn.microsoft.com/en-us/xamarin/ios/internals/registrar?force_isolation=true#new-registrar-required-changes-to-bindings
   #
@@ -275,72 +275,72 @@ function create_fat_binaries() {
   # so I'm not 100% sure why the [Protocol] attribute does away with the observed error but it does the trick of solving the problem somehow
 
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSFileUploader/[Protocol] interface IOSFileUploader/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSFileDownloader/[Protocol] interface IOSFileDownloader/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSDeviceResetter/[Protocol] interface IOSDeviceResetter/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSFirmwareEraser/[Protocol] interface IOSFirmwareEraser/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSFirmwareInstaller/[Protocol] interface IOSFirmwareInstaller/gi' {} \;
 
-  rm -f "$OUTPUT_SHARPIE_HEADER_FILES_PATH"/*.bak || :
+  rm -f "${OUTPUT_SHARPIE_HEADER_FILES_PATH}"/*.bak || :
 
   # https://stackoverflow.com/a/49477937/863651   its vital to add [BaseType] to the interface otherwise compilation will fail
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSListenerForFileUploader/[BaseType(typeof(NSObject))] [Model] interface IOSListenerForFileUploader/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSListenerForFileDownloader/[BaseType(typeof(NSObject))] [Model] interface IOSListenerForFileDownloader/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSListenerForDeviceResetter/[BaseType(typeof(NSObject))] [Model] interface IOSListenerForDeviceResetter/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSListenerForFirmwareEraser/[BaseType(typeof(NSObject))] [Model] interface IOSListenerForFirmwareEraser/gi' {} \;
   find \
-    "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+    "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
     -type f \
     -exec sed -i.bak 's/interface IOSListenerForFirmwareInstaller/[BaseType(typeof(NSObject))] [Model] interface IOSListenerForFirmwareInstaller/gi' {} \;
 
   # some plain methods unfortunately get autoprojected into properties by sharpie so we need to fix that    
   find \
-        "$OUTPUT_SHARPIE_HEADER_FILES_PATH/" \
+        "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/" \
         -type f \
         -exec sed -i.bak 's/bool TryInvalidateCachedTransport { get; }/bool TryInvalidateCachedTransport();/gi' {} \;
 
-  rm -f "$OUTPUT_SHARPIE_HEADER_FILES_PATH"/*.bak || :
+  rm -f "${OUTPUT_SHARPIE_HEADER_FILES_PATH}"/*.bak || :
 
   echo "**** (FatBinaries 8/8) Print metadata files in their eventual form"
 
   echo
-  echo "$OUTPUT_SHARPIE_HEADER_FILES_PATH/ApiDefinitions.cs (eventual):"
+  echo "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/ApiDefinitions.cs (eventual):"
   echo "==================================================="
-  cat "$OUTPUT_SHARPIE_HEADER_FILES_PATH/ApiDefinitions.cs"
+  cat "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/ApiDefinitions.cs"
   echo
   echo "===================================================="
   echo
 
   echo
-  echo "$OUTPUT_SHARPIE_HEADER_FILES_PATH/StructsAndEnums.cs (eventual):"
+  echo "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/StructsAndEnums.cs (eventual):"
   echo "===================================================="
-  cat "$OUTPUT_SHARPIE_HEADER_FILES_PATH/StructsAndEnums.cs"
+  cat "${OUTPUT_SHARPIE_HEADER_FILES_PATH}/StructsAndEnums.cs"
   echo
   echo "===================================================="
   echo