I installed ghci on Max OSX.
But everytime, the return value overwrite my last ghci prompt. See below.
Falseghci>null[1,2,3]
Luke_ghci>
"False" over write my last line ghci prompt. (should be Luke_ghci)
So weird. How to solve it? Thanks.
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1What have you got in `~/.ghci`? What's your `$TERM`? – Daniel Wagner Apr 26 '12 at 05:54
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it's :set prompt "Luke_ghci>" – David Degea Apr 26 '12 at 06:02
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@DanielWagner Even though I delete everything in .ghci file. It still over writes "Prelude>" Strange. – David Degea Apr 26 '12 at 06:21
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@DavidDegea When you run `echo $TERM` at a shell prompt (in a terminal window but *not* in ghci), what gets printed? – dave4420 Apr 26 '12 at 06:44
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1http://www.mail-archive.com/haskell-cafe@haskell.org/msg66527.html – Riccardo T. Apr 26 '12 at 10:25
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@DavidDegea: you're welcome. Should I put the link in an answer? – Riccardo T. Apr 27 '12 at 08:06
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Aha! That led me to find it: I had TERM set to 'ansi'. ghci + Haskeline works find if TERM is set to any of rxvt, vt52, vt100, vt102 or xterm. Don't know what in terminfo Haskeline is relying on, but 'ansi' doesn't have it!
sclv
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