Gabriel439/Haskell-Errors-Library — pull request #31 by mwm (2014-07-25 08:39:15+00:00)
Title: Make scriptIO print the program name.

scriptIO is very convenient, but it doesn't provide the name of the failing command. This can make it hard to figure out which command in a pipe, or which command in script, is actually issuing a message.

Here's a simple patch to add that.