added g prefix for MacPorts GNU coreutils

macos-guest-virtualbox.sh

@@ -2,7 +2,7 @@
 # Semi-automatic installer of macOS on VirtualBox
 # (c) myspaghetti, licensed under GPL2.0 or higher
 # url: https://github.com/myspaghetti/macos-guest-virtualbox
-# version 0.77.3
+# version 0.77.4
 
 # Requirements: 40GB available storage on host
 # Dependencies: bash >= 4.0, unzip, wget, dmg2img,
@@ -143,7 +143,17 @@ if [ -n "$(sw_vers 2>/dev/null)" ]; then
         PATH="${homebrew_gnubin}:${PATH}"
     fi
     # if csplit isn't GNU variant, exit
-    if [ -z "$(csplit --help 2>/dev/null)" ]; then
+    if [ -n "$(gcsplit --help 2>/dev/null)" ]; then
+        function csplit() {
+            gcsplit "$@"
+        }
+        function tac() {
+            gtac "$@"
+        }
+        function split() {
+            gsplit"$@"
+        }
+    elif [ -z "$(csplit --help 2>/dev/null)" ]; then
         echo ""
         printf 'macOS detected.\nPlease use a package manager such as '"${white_on_black}"'homebrew'"${default_color}"', '"${white_on_black}"'pkgsrc'"${default_color}"', '"${white_on_black}"'nix'"${default_color}"', or '"${white_on_black}"'MacPorts'"${default_color}"'.\n'
         echo "Please make sure the following packages are installed and that"