powershell - Variable not updating when function is called -


i have in profile script.

$addablepaths = @{     "python3"=";c:\python32";     "python2"=";c:\python27";     "d"=";c:\d\dmd2\windows\bin";     "gcc"=";c:\mingw\bin";     "verge"=";c:\users\cold\dev\verge\tools";     "ruby"=";c:\ruby192\bin";     "git"=";c:\program files\git\cmd";     "cmake"=";c:\program files\cmake 2.8\bin";     "emacs"=";c:\users\cold\dev\emacs\bin";     "notepad++"=";c:\program files\notepad++";     "boost-build"=";c:\users\cold\dev\c++\boost-build\bin";     "svn"=";c:\program files\sliksvn\bin";     "gtk2"=";c:\program files\gtk2-runtime\bin";     "qt"=";c:\qt\bin";     "komodo"=";c:\program files\activestate komodo edit 6\";     "hg"=";c:\program files\tortoisehg\" }  $addedpaths = @()  function addpath($keys) {     if ($keys.count -eq 0) { return }      foreach ($key in $keys)     {         if ($addablepaths.contains($key))         {             if (!($addedpaths -contains $key))             {                 $env:path += $addablepaths[$key]                 $addedpaths += $key             }         }         else         {             write-host "invalid path option. options are:"             foreach ($key in $addablepaths.keys) {                 write "    $key"             }         }     } }

it's purpose allow me able add path things need. example, can call addpath("ruby","git","notepad++") add 3 things path. want doesn't add items if added them, created $addedpaths array keep track of what's been added already. however, doesn't update when call function, duplicates can still added. doing wrong?

you'll need this:

$global:addedpathes += $key

that should place need $global: since modifies it.


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