Pass-through filter with logging

[B. S.]

Hi All,

I'm trying to do the following:

lynx -source $url > logged_file
tidy -asxml -q < logged_file

in a more elegant way like:

lynx -source $url | log_pass_through logged_file | tidy -asxml -q

I believe (maybe not true) that the latter should be more performant since 
the file is not needed to be read.

The question is: Does such command ("log_pass_through") exist by default in 
Cygwin?

Cheers,
Balazs

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