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Without any additional tools, using just the command line that comes with Windows 7, how can I create a batch file that will perform a file and replace of some text in a file?

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This post from Stack Overflow has the answer for Powershell: PowerShell Script to Find and Replace for all Files with a Specific Extension.

This article also explains how to search and replace text with Powershell.

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Windows Powershell 2.0 comes with Windows 7, so you can use this code snippet:

$file = Get-ChildItem "C:\Path\File.ext"

ForEach-Object ($str in $file) 
  $content = Get-Content -Path $str
  $content | ForEach-Object {$_ -Replace "the the", "the"} | Set-Content $str

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Indeed, I should mention such things in the future. :-) – Tom Wijsman Jul 10 '10 at 14:13

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