.config/neomutt/replace-header

   1 #!/bin/sh
   2 #
   3 # edit-header - helper script to append/replace/remove headers 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 [ ! -x "$(command -v formail)" ]; then
  13   echo E: formail not installed. >&2
  14   exit 1
  15 fi
  16
  17 header="${1:-}"
  18 if [ -z "$header" ]; then
  19   echo "E: no header specified" >&2
  20   exit 1
  21 fi
  22
  23 get_header_contents()
  24 {
  25   local contents
  26   printf "Enter ${1:-header} contents: " >/dev/tty
  27   read contents </dev/tty
  28   echo "$contents"
  29 }
  30
  31 script="${0%/*}/${2:-}"
  32 if [ -f "$script" ] && [ -x "$script" ]; then
  33   if [ -z "${__RLWRAPPED:-}" ] && [ -x $(command -v rlwrap) ]; then
  34     __RLWRAPPED=true exec rlwrap "$0" "$@"
  35   fi
  36
  37   contents_source="$script"
  38   shift
  39 else
  40   contents_source=get_header_contents
  41 fi
  42
  43 editor=
  44 case "$0" in
  45   *append-header|*supersede-header|*replace-header)
  46     contents="${2:-}"
  47     [ -n "$contents" ] || contents="$(eval $contents_source $header)"
  48     case "$0" in
  49       *append-header) flag=-A;;
  50       *supersede-header) flag=-i;;
  51       *replace-header) flag=-I;;
  52     esac
  53     editor="${0%/*}/filter-proxy formail $flag \'$header: $contents\'"
  54     ;;
  55
  56   *remove-header)
  57     editor="${0%/*}/filter-proxy formail -I \'$header:\'"
  58     ;;
  59
  60   *)
  61     echo "E: unknown invocation: ${0##*/}" >&2
  62     exit 1
  63     ;;
  64
  65 esac
  66
  67 echo "set my_editor=\"\$editor\""
  68 echo "set my_filter=\"$editor\""
  69 echo -n "push '"
  70 echo -n "<enter-command>set editor=\"\$my_filter\"<enter>"
  71 echo -n "<edit>"
  72 echo -n "<enter-command>set editor=\"\$my_editor\"<enter>"
  73 echo -n "<enter-command>unset my_filter<enter>"
  74 echo -n "<enter-command>unset my_editor<enter>"
  75 echo "'"