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I'm very new to vscode as well as ghcid. When I follow the instruction to open the Command Palette and type " Start Ghcid", then it shows " The terminal process "ghcid '--outputfile=/var/folders/4k/0c49wtss7dgb9n872y99hzh40000gn/T/ghcid-15bcb70c9b4c8926f1ca.txt'" terminated with exit code: 1." on the bottom right.

I have googled it, but the issue is only related with the special characters in the name which is not relate with my problem. I can open my terminal successfully, only failed when I try to launch the ghcid.

Since I just start to learn Haskell by myself, if you could answer my question step by step, I would really appreciate it!!!! Thanks.

yurou gao
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  • SUGGESTIONS: 1) Read this article: https://dev.to/egregors/vscode-for-haskell-in-2020-5dn8 (it has some extra tips that should make your Haskell/VSCode experience more productive), 2) See if "/var/folders/4k/0c49wtss7dgb9n872y99hzh40000gn/T/ghcid-15bcb70c9b4c8926f1ca.txt" exists, and post back what it says. – paulsm4 Dec 29 '20 at 16:16
  • Thanks a lot for your replying! But here is a really silly question, how can I test whether a file is existing? Should I just type the name in my terminal? – yurou gao Dec 30 '20 at 02:54
  • Here is what I have done, I typed directly in my terminal: /var/folders/4k/0c49wtss7dgb9n872y99hzh40000gn/T/ghcid-15bcb70c9b4c8926f1ca.txt It shows back: bash: /var/folders/4k/0c49wtss7dgb9n872y99hzh40000gn/T/ghcid-15bcb70c9b4c8926f1ca.txt: Permission denied – yurou gao Dec 30 '20 at 02:59
  • It sounds like you're on Linux ... and it sounds like you need to learn a bit about how to to navigate your way around Linux before you can hope to accomplish anything. Q: How do I test if a file exists? A: `ls -l /var/folders/4k/0c49wtss7dgb9n872y99hzh40000gn/T/ghcid-15bcb70c9b4c8926f1ca.txt` Q: How do I see what's in the file? A: `cat /var/folders/4k/0c49wtss7dgb9n872y99hzh40000gn/T/ghcid-15bcb70c9b4c8926f1ca.txt`. There are also GUI tools to accomplish exactly the same thing. But I have no idea *which* (if any) GUI desktop is on your system :( – paulsm4 Dec 30 '20 at 05:07
  • Ok, that's clear enough. So, I type as you written. When I use ls -l to check the specific content it gives: -rw-r--r-- 1 sarah staff 0 12 30 11:03 /var/folders/4k/0c49wtss7dgb9n872y99hzh40000gn/T/ghcid-15bcb70c9b4c8926f1ca.txt And when I try to use "cat" to see the content, it doesn't respond. What can I do next？By the way, I use Mac OS system, sorry I should point it out earlier. : ) – yurou gao Dec 30 '20 at 12:21
  • Also to figure out what content in that txt file, I use "open" and type the path, it gives me a txt file without any text. Should I just delete that file? @paulsm4 – yurou gao Dec 30 '20 at 14:04

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