Switch terraform version via bash

.bashrc-terraformv

#Terraform version switch
function terraformv() {
  if [ $# -eq 1 ]; then
    if test -f "/opt/terraform/terraform-${1}"; then 
      sudo rm /opt/terraform/terraform
      sudo ln -s "/opt/terraform/terraform-${1}" /opt/terraform/terraform
      echo "switched to terraform-${1}"
    else
      echo "terraform-${1} does not exist, pls download from https://releases.hashicorp.com/terraform/ first and store in /opt/terraform."
      return 1
    fi
 fi
}
alias tfv='terraformv'

Usage example:

$ tfv 0.12.24
terraform-0.12.24 does not exist, pls download from https://releases.hashicorp.com/terraform/ first and store in /opt/terraform.

or

$ tfv 0.12.21
switched to terraform-0.12.21