Compiling and installing the application

​

1) Build the binary in the module directory

go build

• On Linux/macOS run the executable with ./<executable-name>.
• On Windows run the *.exe file by name (for example cryptit.exe).

package main

import (
    "fmt"

    "yourmodule/encrypt"
    "yourmodule/decrypt"
)

func main() {
    encryptedStr := encrypt.Nimbus("Kodekloud")
    fmt.Println(encryptedStr)
    fmt.Println(decrypt.Nimbus(encryptedStr))
}

# build in the module directory
go build

# run the executable in the current directory (Linux/macOS)
./cryptit

Nrghnorxg
Kodekloud

​

2) Running the executable from another directory

# change to home
cd ~

# fails because ./cryptit refers to the home directory
./cryptit
# run using full path to the executable (example)
~/Desktop/kodekloud/cryptit/cryptit
# Nrghnorxg
# Kodekloud

​

3) Install the binary so it is runnable anywhere

1. Check GOPATH and GOBIN:

go env GOPATH
go env GOBIN

2. If GOBIN is not set and you want to use GOPATH/bin, add it to your shell PATH (example for macOS/Linux):

# show GOPATH
go env GOPATH
# add GOPATH/bin to PATH for the current shell session
export PATH=$PATH:/Users/priyanka/go/bin

3. From the module directory, install the package:

# while still in the module directory
go install

# list the bin directory
ls ~/go/bin
# run the installed binary from home (no path needed)
cd ~
cryptit
# Nrghnorxg
# Kodekloud

​

Quick reference: common commands

​

4) Module-aware installs and versioned installs

​

5) Troubleshooting tips

• If cryptit is not recognized after installation, confirm the install directory is on your PATH (echo $PATH).
• If go install reports module or dependency errors, run go mod tidy in the module directory to ensure required dependencies are present.
• Use which cryptit or command -v cryptit to locate the installed binary.

• build a local binary with go build,
• install it with go install,
• add the install directory to your PATH, and
• run the executable from any directory.

​

Links and references

• Go go build documentation
• Go go install documentation
• Go modules overview