Find and replace text in a 47GB large file

Sed (stream editor for filtering and transforming text) is your friend.

sed -i 's/old text/new text/g' file

Sed performs text transformations in a single pass.

On Unix or Mac:

sed 's/oldstring/newstring/g' oldfile.txt > newfile.txt

fast and easy...

I use FART - Find And Replace Text by Lionello Lunesu.

It works very well on Windows Seven x64.

You can find and replace the text using this command:

fart -c big_filename.txt "find_this_text" "replace_to_this"

github

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