in reply to Re: delete empty lines from a txt file
in thread delete empty lines from a txt file

Notice that broquaint also sneaked in the -n flag there. That's the one that actually sets up a loop that processes the file a line at a time.

And just to be obtuse, I'd write it like this:

perl -i.bak -ne 'print if /\S/' your_file.txt
--
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