You're right. I tried to type a pattern I've used before, directly into the browser without having had my morning coffee. It should be:

perl -anle"@L = @F, next if $. == 1; print if $L[0] eq $F[0]; @L = @F;
+" in.txt > out.txt

[download]
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I knew I was on the right track :)
In the absence of evidence, opinion is indistinguishable from prejudice.
I'm with torvalds on this Agile (and TDD) debunked I told'em LLVM was the way to go. But did they listen!

In reply to Re^3: how to change this code into perl by BrowserUk
in thread how to change this code into perl by perlnewbie012215

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