On 2006-05-19, Paul McGuire <[EMAIL PROTECTED]> wrote:
>> If the log has a lot of repeated lines in its original state then
>> running uniq twice, once up front to reduce what needs to be sorted,
>> might be quicker?
>>
>> uniq log_file | sort| uniq | wc -l
>>
>> - Pad.
>
> Why would the second running of uniq remove any additional lines that
> weren't removed in the first pass?
Because uniq only removes _adjacent_ identical lines.
> For that matter, if this is a log file, wont every line have a timestamp,
> making duplicates extremely unlikely?
Probably.
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