Perl: Find and replace specific string in multiple text file

Question

I need to get all the .config file in a given directory and in each of these file I need to search for a specific string and replace with another based on the file.

Answer 1

If you are on Unix like platform, you can do it using Perl on the command line; no need to write a script.

perl -i -p -e 's/old/new/g;' *.config

TO be on the safer side, you may want to use the command with the backup option.

perl -i.bak  -p -e 's/old/new/g;' *.config