[pwsh profile] Support script file order and add preferences.

Contributes to #1.

Author: mawosoft

PowerShell/Profile/Common/.files

@@ -0,0 +1,4 @@
+statements.ps1
+Get-Profile.ps1
+Get-StrictMode.ps1
+Import-BatchEnvironment.ps1

PowerShell/Profile/Common/statements.ps1

@@ -0,0 +1,11 @@
+# Copyright (c) 2023 Matthias Wolf, Mawosoft.
+
+Set-StrictMode -Version 3
+$ErrorActionPreference = 'Stop'
+
+# One history across all hosts per user
+Set-PSReadLineOption -HistorySavePath (Join-Path (
+        [System.Environment]::GetFolderPath([System.Environment+SpecialFolder]::MyDocuments)
+    ) 'PowerShell\PSReadLine\AllHosts_history.txt' )
+# Can be toggled with F2.
+Set-PSReadLineOption -PredictionViewStyle ListView

PowerShell/Profile/newProfile.ps1

@@ -51,8 +51,19 @@ function Get-SourceContent {
         [ValidateNotNullOrEmpty()]
         [string]$Path
     )
-    # TODO Support a config file (e.g. '.filelist') to determine order and inclusions/exclusions.
-    [FileInfo[]]$files = Get-ChildItem $Path -Filter '*.ps1'
+    # '.files just lists all file names to include in the desired order.
+    [string]$filelist = Join-Path $Path '.files'
+    [FileInfo[]]$files = $null
+    if (Test-Path $filelist -PathType Leaf) {
+        $files = Get-Content $filelist |
+            ForEach-Object { $_.Trim() } |
+            Where-Object { -not [string]::IsNullOrEmpty($_) -and -not $_.StartsWith([char]'#') } |
+            ForEach-Object { Join-Path -Path $Path $_ } |
+            Get-Item
+    }
+    else {
+        $files = Get-ChildItem $Path -Filter '*.ps1'
+    }
     Write-Verbose 'Source Files:'
     $files | Out-String | Write-Verbose
     $files | Get-Content -Raw