Peter Hercek wrote:
Is there a way to redirect output of a ghci debugger command
so that I can process it with a (ghci) script before it is
displayed?
Claus had some GHCi macros for doing this sort of thing. Claus?
Sure, recorded here (sections 4/5, but the rest of the page should
also be better known; if only so that others would add their tips and
tricks as well; hmm, ghc-haskeline isn't there, yet):
http://www.haskell.org/haskellwiki/GHC/GHCi#Using_.ghci.2C_a_mini-tutorial
Some of the items mentioned in the tutorial email have since been
added to GHCi, but I still use the :grep, :redir, and :ghc_pkg stuff;
:redir(Err) only works properly if -fbreak-on-exceptions is not
switched on, haven't investigated workarounds yet.
There is also a stub page for the GHCi debugger, nothing on it yet:
http://www.haskell.org/haskellwiki/GHC/GHCi_debugger
Claus
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