.mutt/batch-subject-editor

   1 #!/bin/sh
   2 #
   3 # batch-subject-editor - helper script to change subject lines with mutt
   4 #
   5 # Based on an idea by David Champion <dgc at uchicago.edu>
   6 #
   7 # Copyright © 2008 martin f. krafft <madduck@madduck.net>
   8 # Released under the terms of the Artistic Licence 2.0
   9 #
  10 set -eu
  11
  12 if [ -z "${__RLWRAPPED:-}" ] && [ -x $(command -v rlwrap) ]; then
  13   __RLWRAPPED=true exec rlwrap "$0" "$@"
  14 fi
  15
  16 printf 'Enter new subject: ' >/dev/tty
  17 read subj </dev/tty
  18
  19 if [ -z "${subj:-}" ]; then
  20   echo No subject specified. >&2
  21   exit 1
  22 fi
  23
  24 SED_DELIM=,
  25 subj=$(echo "$subj" | sed -re "s\1a${SED_DELIM}\1a\\\&\1ag")
  26
  27 RE_REPLY='((re|aw|antwort)([[(]?[[:digit:]]+[)]]?)?):[[:space:]]*'
  28 RE_SUBJ_PREFIX="^Subject:[[:space:]]*(${RE_REPLY})*"
  29 RE_SUBJ='.*'
  30 EDITOR="sed -i -re \"s${SED_DELIM}(${RE_SUBJ_PREFIX})${RE_SUBJ}${SED_DELIM}\\\1$subj${SED_DELIM}i\""
  31
  32 printf "set editor='${EDITOR} %s'"