More changes to make platform-agnostic

PSUtilities/ScriptTemplate.ps1

@@ -88,9 +88,9 @@ ForEach ($Uri in $AddonUris) {
     $UriStatusCode = (Invoke-WebRequest -Uri $Uri -UseBasicParsing -Method Head -SkipHttpErrorCheck).StatusCode
     If ($UriStatusCode -eq 200) {
         Try {
-            Invoke-WebRequest -Uri $Uri -OutFile "$Env:Temp\$(Split-Path -Path $Uri -Leaf)" -ErrorAction Stop
+            Invoke-WebRequest -Uri $Uri -OutFile "$([System.IO.Path]::GetTempPath())\$(Split-Path -Path $Uri -Leaf)" -ErrorAction Stop
             Write-Host "Importing addon: $(Split-Path -Path $Uri -Leaf)"
-            Import-Module -Name "$Env:Temp\$(Split-Path -Path $Uri -Leaf)" -Force
+            Import-Module -Name "$([System.IO.Path]::GetTempPath())\$(Split-Path -Path $Uri -Leaf)" -Force
         }
         Catch {
             Write-Host "Error encountered importing addon"
@@ -102,6 +102,8 @@ ForEach ($Uri in $AddonUris) {
         Exit $UriStatusCode
     }
 }
+
+Import-Modules $ModuleNames
 #endregion Imports
 
 #region Functions
@@ -131,24 +133,6 @@ If (-Not $NoLog) {
     }
     Add-LogEntry (Start-Transcript "$LogDir\$ThisScript.log" -Append)
 }
-
-# Load any modules required by script
-If ($ModuleNames) {
-    Initialize-PSGallery
-    ForEach ($Module in $ModuleNames) {
-        If (-Not (Get-Module -ListAvailable -Name $Module)) {
-            Try {
-                Add-LogEntry "Module `"$Module`" not found, installing"
-                Install-Module -Name $Module -Scope CurrentUser -Force -AllowClobber   
-            }
-            Catch {
-                Add-LogEntry "Module failed to install automatically!  Manaully install the module, then re-run the script." -As Error
-                Exit 1
-            }
-        }
-        Import-Module $Module
-    }
-}
 #endregion Prep
 
 #region Execution