auto generate cmd user_init.cmd

vendor/psmodules/Cmder.ps1

@@ -176,3 +176,28 @@ function getGitStatusSetting() {
 
     return $true
 }
+
+function yOrn( $question ) {
+  Do {
+    $Answer = Read-Host -Prompt "`n${question}? (y/n) "
+  }
+  Until ($Answer -eq 'y' -or $Answer -eq 'n' -or $Answer -eq 'yes' -or $Answer -eq 'no')
+
+  return $Answer
+}
+
+function templateExpand($template, $outfile) {
+  $template = Get-Content $template -Raw
+  $expanded = Invoke-Expression "@`"`r`n$template`r`n`"@"
+
+  $overwrite = 'y'
+  if ((test-path "$outfile")) {
+    $overwrite = yOrn "'$outfile' already exists do you want to overwrite it"
+  }
+
+  if ($overwrite -match 'y') {
+    $expanded | out-file -ErrorAction silentlycontinue -encoding ascii "$outfile"
+  } else {
+    write-host "Skipping Cmder '$shell' config generation  at user request!"
+  }
+}