How to Install Go with Homebrew and Run Gotour?

Installing Go with Homebrew and Running Gotour

For new users, setting up a Go environment can be a confusing process. This guide will provide a detailed walkthrough on installing Go with Homebrew and resolving common issues with running Gotour.

Installing Go

1. Create Directories:

   • mkdir $HOME/Go
   • mkdir -p $HOME/Go/src/github.com/user

2. Setup Paths:

   • export GOPATH=$HOME/Go
   • export GOROOT=/usr/local/opt/go/libexec
   • export PATH=$PATH:$GOPATH/bin
   • export PATH=$PATH:$GOROOT/bin

3. Install Go Homebrew:

   • brew install go

4. Get Basics:

   • go get golang.org/x/tools/cmd/godoc

Running Gotour

1. Install Gotour:

   • go get code.google.com/p/go-tour/gotour

2. Set $GOPATH:

   • If echo $GOPATH returns empty, manually define it:

     • GOPATH=/usr/local/Cellar/go/1.0.2/src/pkg/code.google.com/p/
     • export GOPATH

3. Run:

   • Run Gotour with ./gotour (only when $GOPATH is set)

Expected Behavior

With this setup, you should be able to:

• Run:

  • go run gotour
  • gotour (when in the Gotour directory)

Troubleshooting

• If you still encounter the "command not found" error, ensure that $GOPATH is correctly set and in your PATH.
• If you are unsure about your Go environment, consult the official documentation at https://golang.org/doc/code.html

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