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Request to a new feature on read

From: Valentin Bajrami
Subject: Request to a new feature on read
Date: Thu, 16 Apr 2015 12:49:42 +0200


According to ''help read'' we can specify  -N[chars]  to trigger return automatically.  Is it possible to approach read differently? 

For example:  $re is some regular _expression_

read -N$re -p "Enter two or three digits to continue " getInput

The above is much of a pseudo-code but I hope you get the idea. 

 -N in this case should be able to handle a range of 2 or 3 chars. If the regex is satisfied then return should be triggered after 2 chars otherwise wait for the third char.

Thanks in advance!

Met vriendelijke groet / Kind regards,


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