gomain.sh

gomain() {
  local f="/tmp/gomain-$$/main.go"
  mkdir -p $(dirname $f)

  cat <<_EOF_ > $f
package main

import (
	"fmt"
)

func main() {
	fmt.Println("Hello, gomain")
}
_EOF_

  $EDITOR $f
  cat $f
  echo "---Output---"
  go run $f
  unlink $f
  rmdir $(dirname $f)
}