How to start a tail -f shell command and follow online.

lucevers wrote:


Howto start a 'tail -f' shell command and follow online the results.

Example: like the PHP 'passthru' command.

The example below can start the command buts wait until the shell is finished.

<%= %x{ls -l} %>

or 'popen' same problem.

There is a file-tail package available on the RAA that I recommend instead of shelling out. Cross-platform, too.



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OK, but 'tail -f' is only an example. Others like a ping,traceroute ... can be important to start from web