>On Mon, 26 Mar 2012, Andrew Gabriel wrote:
>> I just played and knocked this up (note the stunning lack of comments, 
>> missing optarg processing, etc)...
>> Give it a list of files to check...
>This is a cool program, but programmers were asking (and answering) 
>this same question 20+ years ago before there was anything like 
>If file space usage is less than file directory size then it must 
>contain a hole.  Even for compressed files, I am pretty sure that 
>Solaris reports the uncompressed space usage.

Unfortunately not true with filesystems which compress data.


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