Wrap mutt in a BSD compatible command line API. Allows you to send emails with attachments from the shell with, eg: `cat body | mail -s 'subject' -a attached-file-path me@anotherdomain.com`

mail

#! /bin/sh

: ${MUTT=mutt}
: ${SED=sed}

func_esc ()
{
   echo "$*" | $SED "s|'|'\\\\''|"
}

func_hdr ()
{
    echo "$body" | $SED -n -e '/^$/q' -e "/^$1:/ { s|$1: *||; p; }"
}


opt_t=false
while test $# -gt 0; do
  opt=$1
  shift
  case $opt in
    -a)         attach="${attach--a} '`func_esc $1`'"; shift ;;
    -b|-c|-s)   hdrs="${hdrs+$hdrs }$opt '`func_esc $1`'"; shift ;;
    -t)         opt_t=true ;;
    --)         break ;;
    *)          to="${to+$to }'`func_esc $opt`'" ;;
  esac
done

# Anything after -- is a to address
while test $# -gt 0; do
  to="${to+$to }'`func_esc $1`'"; shift
done

body=`cat -`

if $opt_t; then
  hdrs=
  bcc=`func_hdr Bcc`;   test -n "$bcc" && hdrs="-b '`func_esc $bcc`'"
  cc=`func_hdr Cc`;     test -n "$cc" && hdrs="$hdrs -c '`func_esc $cc`'"
  s=`func_hdr Subject`; test -n "$s" && hdrs="$hdrs -s '`func_esc $s`'"
  x=`func_hdr To`;      test -n "$x" && to="$x '`func_esc $to`'"
fi

# Put your email address and smtp host in below.
# If you use a Mac, make sure you have your mailhost smtp password in Keychain Access;
# otherwise, you'll have to hardcode your password in place of the call to `security`.
echo "$body" | eval $MUTT -nx \
  -e "'set from = me@mydomain.com'" \
  -e "'set use_from = yes'" \
  -e "'set smtp_pass = `security find-internet-password -s smtp.mymailhost.com -w`'" \
  $hdrs ${attach+$attach --} $to

exit $?