Script to delete merged branches

DeleteMergedBranches.sh

#!/bin/bash
git remote prune origin
rm -f branchesToDelete.txt
git branch -r --merged TEST > branchesToDelete.txt
sed -i '.bak' 's/^[ \t]*origin\///g' branchesToDelete.txt
sed -i '.bak' '/master/d; /QA_branch/d; /Production/d; /OSA_Invoices_Payment/d; /TEST/d; /Invoice_One_Time_Payment/d;' ./branchesToDelete.txt

input="branchesToDelete.txt"
while IFS= read -r branchName
do
  echo "$branchName"
  git push origin --delete $branchName
done < "$input"