Hi  Carl

A .pdf

Clive
On 26/06/2012, at 2:00 PM, cm wrote:

> Hi Clive,
>
> Compression works principally by finding patterns of repeated bits  
> and replacing them with an copy of the pattern and a count of how  
> many times the pattern is repeated. So a file with a lot of spaces  
> in it, or an mp4 video with large areas of the screen all the same  
> colour will compress down very nicely. However, if the file you are  
> trying to compress contains little repetition such as an executable  
> program file, then you will get very little compression.
>
> What was the file you were trying to compress?
>
> Regards,
> Carlo
>
> On 26/06/2012, at 13:55 , Clive Slater wrote:
>
>> Hi
>>
>> OSX 10.4.11 g4,
>>
>> Trying to compress a 37mb file using archive does not compress the
>> file , turns it into a .zip but the file size is the same size. What
>> am I missing.
>>
>> Regards
>>
>> Clive
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