Brandon Allbery allbery.b at
Mon Sep 5 16:50:18 UTC 2016

On Mon, Sep 5, 2016 at 12:40 PM, Simon Peyton Jones via ghc-devs <
ghc-devs at> wrote:

> bash$ which cabal
> /home/simonpj/.cabal/bin/cabal
> Maybe I need 1.24.  Which claims to be installed.  But WHERE is it
> installed?
Try "type cabal". "which" has a nasty tendency to show you what the next
shell you open (or sometimes the next time you login) will see; shells
remember what they've already seen, so it's probably still running the old
one (likely in /usr/bin or /usr/local/bin). POSIX requires "type" to show
what the *current* shell (thinks it) knows, not what some future shell will

"hash -r" should work to reset the shell's idea of where cabal is, if
"type" says it's running a different cabal.

brandon s allbery kf8nh                               sine nomine associates
allbery.b at                                  ballbery at
unix, openafs, kerberos, infrastructure, xmonad
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