![goland gopath goland gopath](https://img2020.cnblogs.com/blog/1441611/202102/1441611-20210209010826976-636240432.png)
For that first create a directory named hello outside $GOPATH/src. Now let’s create a “Hello World” program. echo $GOROOT will give installed directory for GOĪ typical program has. So far here is the value of GOROOT, GOPATH, and GOBIN. In this example, we will be creating our first hello world program. Set GOBIN in the ~/.$HOME/.profile file and add it to PATH as well.
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Also it is good idea to add GOBIN path to PATH env as well so that binary installed can be run without specifying full path of the binary. GOBIN env variable specifies the directory where go will place the compiled application binary after building the main package. It defaults to $GOPATH/bin or $HOME/go/bin if the GOPATH environment variable is not set. It is good idea to always have the GOPATH set up as GOPATH is used even with the introduction of modules export GOPATH=~/Desktop/go GOBIN If your workspace location is ~ /Desktop/go, then make below entry to the ~/$HOME/.profile file. If this env variable is unset, it defaults $HOME/go on Unix systems and %USERPROFILE%\go on Windows. When not using modules while running GO programs, $GOPATH behavior is same as earlier versions which is the same as mentioned above
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Basically, it contains the GO packages compiled from the src/ directory.Stores the compilation output of your actual source code present in src.When installing any dependency package using ‘go get’, all the package files are stored in this location.Store compiled application binary in $GOPATH/bin (This can be overridden by setting $GOBIN to a different path).Packages are installed in the directory $GOPATH/pkg/$GOOS_$GOARCH.Hence it still requires your code to be inside GOPATH A dependency cannot be imported if it is not inside GOPATH.
![goland gopath goland gopath](https://pica.zhimg.com/v2-9bb96d73b3527009df43e6b62c40b126_l.jpg)
Hence earlier version required all your source code to be inside GOPATH. The GOPATH env variable was used for resolving go imports statements as well as it also specifies the location of your GO workspace. Let’s first understand the legacy behavior of GOPATH and then we will discuss what has changed with respect to GOPATH after GO version 1.13. In version 1.13, GO introduced a new feature for dependency management called GO modules. The discussion for GOPATH will revolve around whether you are using GO version 1.13 higher or lower. GOROOT should only be set when installing GO to a custom location or when you want to maintain different versions of GOįor example if you have installed GO to the location ~/Documents/go on Linux/MAC platform, then make below entry to the ~/$HOME/.profile file. In case it is installed to a custom location, then GOROOT should point to that directory. But GO SDK can also be installed in a custom location. GO binary distribution assumes this location to be /usr/local/go for Linux/MAC platforms and c:\Go for Windows. GO Workspaceīefore we proceed let’s understand some important GO ENV variables: GOROOT It is now time to set up the workspace for GO and run our first hello world program.
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In chapter one we saw an intro to Go and basic advantages of GO and in chapter 2 we have already seen how to install GO. Refer to this link for other chapters of the series. This is the third tutorial of the golang comprehensive tutorial series.