I recently had a mishap with MySQL and when I uninstalled it from System Preferences it uninstalled Homebrew as well (I checked the erase all files that are related to MySQL, which was probably not the right thing to do).

Anyways, I got everything back to normal but when I try to install Homebrew using the install script on their website:

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

I get this error:

fish: $(...) is not supported. In fish, please use '(curl)'.
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

I tried complying with this error by eliminating the '$' and running:

/usr/bin/ruby -e "(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" 

I then get this error:

-e:1: syntax error, unexpected tLABEL, expecting keyword_do or '{' or '('
(curl -fsSL https://raw.githubusercontent.com/H...
-e:1: unknown regexp options - raw

This is where I am stuck. I've tried to change my shell but fish is the only one listed in my shell files.


1 Answer 1


Your second example just begins with (curl.... Which doesn't make any sense. Typo? This should work:

/usr/bin/ruby -e (curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)

Also, you could also just run curl and save the script to a file (e.g., homebrew.rb) then tell ruby to execute that script: ruby homebrew.rb.

  • Shoot, I'm sorry, that is a typo. I edited the command to the correct one.
    – WaterTrash
    May 22, 2019 at 20:29
  • Could you elaborate on the second part? When I run curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install I get a bunch of output and can't locate a homebrew.rb file.
    – WaterTrash
    May 22, 2019 at 20:32
  • @WaterTrash your edit still says /usr/bin/ruby -e "$(curl... which is not valid fish syntax. Did you try the command I put in my answer? No quotes. No dollar-sign. As for using curl separate from ruby you need to tell curl to save the output: curl -o homebrew.rb .... May 22, 2019 at 20:57
  • Yes, I ran your command and there is no output at all. When I add -o I get: /usr/bin/ruby -e (curl -o -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install) % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 12427 100 12427 0 0 14788 0 --:--:-- --:--:-- --:--:-- 14776 /usr/bin/ruby: no code specified for -e (RuntimeError)
    – WaterTrash
    May 23, 2019 at 15:37
  • You can always change to another shell temporarily if you need to just type the shell name i.e. bash
    – sfscs
    Aug 18, 2021 at 5:15

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