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Search and Replace regexp in subdirectories

/ Published in: Windows PowerShell
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replace foo -> bar in all .txt files down the tree

Dunno why, the syntax highlighter adds \3's to the code. Try plain text.

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  1. # Select files
  2. $files = gci . -recurse | ? { ($_ -match "txt$") -and ((gc $_.VersionInfo.FileName) -match "the_sink") } | % { $_.VersionInfo.FileName }
  3.  
  4. # Back'em up, just in case:
  5. $files | % { cp $_ "$($_).bak" }
  6.  
  7. # Replace
  8. $files | %{ (gc $_) -replace "foo","bar" | sc -Path $_ }

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