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allelopath

08-02-2005 09:05 PM

search/replace in many files

What is the best way to recursively search thru a directory structure and search and replace text in files?

For example, if I wanted to search thru all files with extension .txt and replace all occurences of the string "red" with "blue".

Matir

08-02-2005 09:21 PM

And write it back out to the same file?

Code:

#!/bin/bash

SEARCH=red

REPLACE=blue





for file in `find . -name '*.txt'`

    do sed 's/$SEARCH/$REPLACE' < $file > $file.new

    mv $file.new $file

done

Test it on a copy first. :)

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