"Programming"

clean-html-entities.sh

#!/bin/zsh

original=$(cat)

print "$original" > /tmp/mutt_message

ascii=$(print "$original" | recode utf-8..iso-8859-1 2>&1)

if echo "${ascii}" | egrep --silent "recode: Invalid input"; then
  message=$(cat /tmp/mutt_message)
else
  message=$(print "$ascii" | recode HTML_4.0)
fi

if echo "${message}" | egrep --silent "^From: Trello"; then
  echo "${message}" | trelloparse
else
  echo "${message}"
fi