Adjust the number to the length of your timestamps. 

uniq -us 20 infile outfile

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re: Removing duplicate entries in a file which has a time stamp on each line by BrowserUk
in thread Removing duplicate entries in a file which has a time stamp on each line by lambden

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