Geek Software of the Week: FNR! (Update)

FNRThis is an old favorite, that I “re-discovered” this week when I needed to update a lot of exact match text in a whole BUNCH of text files. Man, this thing is awesome!

FNR – Find and Replace Tool

“An open source tool to find and replace text in multiple files.


  • Single file download – fnr.exe (181kb)
  • Replace text in multiple files using windows application or through command line
  • Find Only to see where matches are found
  • Case-sensitive searching
  • Searching for files in one directory or recursing sub-directories
  • Regular expressions
  • Find and replace multi-line text
  • Generate command line button to create command line text to put in batch file
  • Command line help
  • Unit tests of Find/Replace engine”

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