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POPowershell find and replace not recursing through sub-directories
 

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    <p>I would like to recurse through all subfolders of a given folder, and for all files of a given extension (optionally wildcard), search and replace some piece of text. </p> <p>There's a similar previous question <a href="https://stackoverflow.com/questions/60034/how-can-you-find-and-replace-text-in-a-file-using-the-windows-command-line-envir">here</a>, and I'm trying to get a modified version of the top answer working for my purpose. It uses Powershell for the find and replace. However, my modified version below is not recursing. I don't remember where I found the <code>recurse</code> part of the first line, so maybe I'm using that incorrectly. </p> <pre><code>Get-ChildItem *.* -exclude *.ps1* -recurse | Foreach-Object { $c = ($_ | Get-Content) $c = $c -replace 'foo','bar' [IO.File]::WriteAllText($_.FullName, ($c -join "`r`n")) } </code></pre> <p>I am running the code from the Powershell command line as a PS batch file, <code>.ps1</code>, hence the exclusion of that extension. </p> <p>This works fine if I run it directly in a folder that has some files I want searched, but if I run it from a parent of that folder, the searching/ recursion of subfolders does not happen. It doesn't even try to, which I can tell from the fact that the command finishes running instantaneously. If I run it in my first subfolder, which has about 50 text files, there's a couple seconds delay before it finishes, indicating to me it's actually searching those files. </p> <p>I've also tried this with the exclude portion removed and the behaviour is the same. </p>
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    1. COIf you run this from the parent dir `Get-ChildItem *.* -exclude *.ps1* -recurse`, you get nothing? I can't repro that (on V4).
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    2. COJust double-checked. If I run from the parent of the directory with the files I want checked, nothing happens: a Notepad++ search for the content I wanted changed is the same before and after. If I then run the code from within the folder, a) the changes are made (can't find the replaced text anymore using NPP), and b) all files in the folder show an updated modified date. I'm not sure what PS version I'm running though. When I go to the powershell exe, I find it's located in `\WindowsPowerShell\v1.0\` but if I run `$PSVersionTable.psversion` it tells me I'm running V2.0. Any thoughts? Thanks.
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    3. COYou running v2. Take a look at the help on Get-ChildItem and its Exclude parameter to see if it says anything about that parameter behaving oddly.
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