[GTALUG] Cool, but obscure unix tools :: Software architect Kristof Kovacs

[Jamon Camisso]

On 20/03/15 10:05 AM, Lennart Sorensen wrote:
> On Fri, Mar 20, 2015 at 09:57:44AM -0400, Jamon Camisso wrote:
>> I'll add 'pv' to the list. Great way to watch progress if you are
>> using zcat/cat to pipe something somewhere.
>>
>> For example, got a database dump? 'cat db.sql | pv | yoursqlengine'
>
> If you do that, pv does NOT know how big the input is, and you are
> wasting a pipe and a process.
>
> 'pv db.sql | yoursqlengine' on the other hand would work great.

Ah good point - the progress bar isn't accurate the way that I use it 
with zcat. I don't suppose there's a way to make that work with a 
stream is there?

Cheers, Jamon