remove all blank lines in go 'imports' statements

goimports2.sh

#!/bin/bash                                                                      
                                                                                 
# remove all blank lines in go 'imports' statements,                             
# then sort with goimports                                                       
                                                                                 
if [ $# != 1 ] ; then                                                            
  echo "usage: $0 <filename>"                                                    
  exit 1                                                                         
fi                                                                               
                                                                                 
sed -i '                                                                         
  /^import/,/)/ {                                                                
    /^$/ d                                                                       
  }                                                                              
' $1                                                                             
goimports -w $1