Useful bash scripts for handling cross platform support

determine_platform.sh

#!/usr/bin/env bash
function determine_platform(){
  local platform_raw=`uname -s | tr "[A-Z]" "[a-z]"`
  
  case $platform_raw in
    "linux") 	platform='linux';;
    "darwin")	platform='mac';;
    "freebsd")  platform='freebsd';;
    cygwin*)	platform='windows';;
    "sunos")	platform='solaris';;
    *) 		platform='unknown'
                echo "Unknown Platform: $platform_raw"
                ;;
  esac
}

determine_platform
echo $platform

platform_exec.sh

#!/usr/bin/env bash
function platform_exec(){
  if [ "$platform" == "windows" ]; then
    "$@"
  else
    sudo "$@"
  fi
}

# Instead of sudo - cygwin doesn't have sudo
platform_exec netstat -tpan