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Perturb.org - interesting technology related things from around the internet

Perl: Change a specific line in a file

If you need to change a specific line in a text file based on line number you can use the following Perl one-liner:

perl -pi -e '$_ = "New value\n" if $INPUT_LINE_NUMBER == 75' file.txt

Just change the 75 to whatever line number you want to update.



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