sed fix on OSX only

install.sh

@@ -7,6 +7,8 @@
 # Get the directory of this script
 MY_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
+FNA_VERSION=20.07
+
 readlinkf(){ perl -MCwd -e 'print Cwd::abs_path shift' "$1";}
 
 # Checks if git is installed
@@ -25,7 +27,7 @@ function pullFNA()
     checkGit
     git submodule add https://github.com/FNA-XNA/FNA.git
     cd FNA
-    git checkout 20.07
+    git checkout $FNA_VERSION
     cd ..
     echo "Updating to the latest git version of FNA..."
 	git submodule update --init --recursive
@@ -79,7 +81,9 @@ cd "$NEW_PROJECT_DIR"
 files=(ProjectName.Core.sln ProjectName.Framework.sln .gitignore ProjectName/ProjectName.Core.csproj ProjectName/ProjectName.Framework.csproj ProjectName/ProjectNameGame.cs ProjectName/Program.cs .vscode/tasks.json .vscode/launch.json)
 for file in "${files[@]}"; do
     sed -i -e "s/ProjectName/$newProjectName/g" "./$file"
-    rm ./${file}-e
+    if [ "$(uname)" == "Darwin" ]; then
+        rm ./${file}-e
+    fi
 done
 
 mv ./ProjectName.Core.sln "./$newProjectName.Core.sln"