Re: [Haskell-cafe] Happy: PATH issue

On Montag 03 Mai 2010 02:12:20, Ivan Miljenovic wrote:

On 3 May 2010 08:49, Daniel Fischer wrote:

...

Am Montag 03 Mai 2010 00:28:31 schrieb Ivan Lazar Miljenovic:

...

bash expands it when you use it within bash, but when it's used within another program this might not be the case (since the PATH is just a String after all).

But does that string contain any '~'s? I think not (unless quoted). I believe the string that is assigned to PATH is already expanded (if you have

I tried it: <snip>

whilst variables might get expanded, ~ isn't.

It is by my bash: dafis@linux-mkk1:~/Haskell> export DUMMY=~/bin:~/.cabal dafis@linux-mkk1:~/Haskell> echo $DUMMY /home/dafis/bin:/home/dafis/.cabal dafis@linux-mkk1:~/Haskell> printenv DUMMY /home/dafis/bin:/home/dafis/.cabal dafis@linux-mkk1:~/Haskell> ghc -e 'System.Environment.getEnv "DUMMY"' "/home/dafis/bin:/home/dafis/.cabal" dafis@linux-mkk1:~/Haskell> bash --version GNU bash, version 3.2.39(1)-release (i586-suse-linux-gnu) Copyright (C) 2007 Free Software Foundation, Inc. Apparently, it's version-dependent (unsurprisingly). What's your shell?