mirror of https://github.com/leahneukirchen/mblaze
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566 lines
11 KiB
Bash
566 lines
11 KiB
Bash
#!/bin/sh
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# mcom [TO] - compose mail
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NL='
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'
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commajoin() {
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awk 'NR==1 {l=$0; next}
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{l=l", "$0}
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END {print l}'
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}
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notmine() {
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mine="$(maddr -a -h local-mailbox:alternate-mailboxes: "$MBLAZE/profile")"
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grep -Fv -e "$mine"
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}
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replyfrom() {
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addrs="$(maddr -a -h reply-from: "$MBLAZE/profile")"
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[ -z "$addrs" ] && addrs="$(maddr -a -h alternate-mailboxes: "$MBLAZE/profile")"
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grep -F -e "$addrs"
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}
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ouniq() {
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awk '!seen[$0]++'
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}
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reffmt() {
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sed 's/^[^<]*//g;s/[^>]*$//g;s/>[^<]*</>\
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</g' | uniq | sed 's/^/ /'
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}
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msgid() {
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mgenmid 2>/dev/null | sed 's/^/Message-Id: /'
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}
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stampdate() {
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if ! mhdr -h date "$1" >/dev/null; then
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tmp=$(mktemp -t mcom.XXXXXX)
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{
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printf 'Date: '
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mdate
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cat "$1"
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} >"$tmp" &&
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mv "$tmp" "$1"
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fi
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}
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checksensible() {
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awk '
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/^$/ {
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seenheader=1
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exit
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}
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!(/^[^ \t][^ \t]*[ \t]*:/ || /^[ \t]/) {
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bad=1
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print "invalid header line: "$0 >"/dev/stderr"
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}
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END {
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if (!seenheader) {
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print "warning: message does not contain an empty line between headers and body." >"/dev/stderr"
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exit 1
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}
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if (bad)
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exit 1
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}
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' "$1"
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}
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stripempty() {
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tmp=$(mktemp -t mcom.XXXXXX)
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msed 's/^[ \t]*$//d' "$1" >"$tmp"
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mv "$tmp" "$1"
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}
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needs_multipart() {
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mhdr -h attach "$1" >/dev/null ||
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grep -qE '^#[a-zA-Z]+/[a-zA-Z0-9+.;=#-]+ ' "$1"
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}
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do_mime() {
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if needs_multipart "$draft"; then
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(
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IFS=$NL
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msed '/attach/d' "$draft"
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for f in $(mhdr -M -h attach "$draft"); do
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printf '#%s %s\n' \
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"$(file -Lb --mime "$f" | sed 's/ //g')" \
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"$f"
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done
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) | mmime >"$draftmime"
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else
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mmime -r <"$draft" >"$draftmime"
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fi
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if [ $? -ne 0 ]; then
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printf 'mcom: fix above errors before continuing\n' 1>&2
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rm -f "$draftmime"
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fi
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}
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MBLAZE=${MBLAZE:-$HOME/.mblaze}
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sendmail=$(mhdr -h sendmail "$MBLAZE/profile")
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sendmail_args=$(mhdr -h sendmail-args "$MBLAZE/profile")
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sendmail="${sendmail:-sendmail} ${sendmail_args:--t}"
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default_from=$(mhdr -h local-mailbox "$MBLAZE/profile")
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defaultc=e
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hdrs=
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resume=
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noquote=
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case "$0" in
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*mcom*)
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hdr=to
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while [ $# -gt 0 ]; do
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case "$1" in
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--)
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# -- is like -to, really
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shift
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hdr=to
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;;
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-r)
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shift
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resume=1
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if [ "$#" -gt 0 ]; then
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case "$1" in
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/*|./*) draft="$1";;
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*) draft="./$1";;
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esac
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if ! [ -f "$draft" ]; then
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printf 'mcom: no such draft %s\n' \
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"$draft" 1>&2
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exit 1
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fi
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echo "using draft $draft"
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shift
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fi
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;;
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-send)
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defaultc=justsend
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shift;;
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-??*)
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hdr=${1#-}
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shift;;
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[!-]*)
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hdrs="$hdrs$NL$(printf '%s: %s\n' "${hdr}" "$1")"
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shift;;
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*)
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printf 'mcom: invalid argument %s\n' "$1" 1>&2
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exit 1;;
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esac
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done
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;;
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*mfwd*)
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hdr=
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raw=
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while [ $# -gt 0 ]; do
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case "$1" in
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--)
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shift
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break;;
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-r)
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shift
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raw=1;;
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-send)
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defaultc=justsend
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shift;;
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-??*)
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hdr=${1#-}
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shift;;
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[!-]*)
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[ -z "$hdr" ] && break
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hdrs="$hdrs$NL$(printf '%s: %s\n' "${hdr}" "$1")"
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shift;;
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*)
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printf 'mfwd: invalid argument %s\n' "$1" 1>&2
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exit 1;;
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esac
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done
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[ "$#" -eq 0 ] && set -- .
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;;
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*mbnc*)
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hdr=
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while [ $# -gt 0 ]; do
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case "$1" in
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--)
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shift
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break;;
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-send)
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defaultc=justsend
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shift;;
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-??*)
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hdr=${1#-}
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shift;;
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[!-]*)
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[ -z "$hdr" ] && break
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hdrs="$hdrs$NL$(printf '%s: %s\n' "${hdr}" "$1")"
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shift;;
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*)
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printf 'mbnc: invalid argument %s\n' "$1" 1>&2
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exit 1;;
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esac
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done
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[ "$#" -eq 0 ] && set -- .
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;;
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*mrep*)
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hdr=
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while [ $# -gt 0 ]; do
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case "$1" in
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--)
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shift
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break;;
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-send)
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defaultc=justsend
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shift;;
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-noquote)
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noquote=1
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shift;;
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-??*)
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hdr=${1#-}
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shift;;
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[!-]*)
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[ -z "$hdr" ] && break
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hdrs="$hdrs$NL$(printf '%s: %s\n' "${hdr}" "$1")"
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shift;;
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*)
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printf 'mrep: invalid argument %s\n' "$1" 1>&2
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exit 1;;
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esac
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done
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[ "$#" -eq 0 ] && set -- .
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;;
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esac
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hdrs="$(printf '%s\n' "${hdrs#$NL}" | mhdr -)"
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outbox=$(mhdr -h outbox "$MBLAZE/profile" | sed "s:^~/:$HOME/:")
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draftbox=$(mhdr -h drafts "$MBLAZE/profile" | sed "s:^~/:$HOME/:")
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draftbox="${draftbox:-$outbox}"
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if [ -z "$draftbox" ]; then
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if [ -z "$resume" ]; then
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i=0
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while [ -f "snd.$i" ]; do
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i=$((i+1))
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done
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draft="./snd.$i"
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elif [ -z "$draft" ]; then
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draft=$(ls -1t ./snd.*[0-9] | sed 1q)
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fi
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draftmime="$draft.mime"
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else
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if [ -z "$resume" ]; then
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draft="$(true | mdeliver -v -c -XD "$draftbox")"
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if [ -z "$draft" ]; then
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printf '%s\n' "$0: failed to create draft in outbox $draftbox." 1>&2
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exit 1
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fi
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elif [ -z "$draft" ]; then
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draft=$(mlist -D "$draftbox" | msort -r -M | sed 1q)
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fi
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draftmime="$(printf '%s\n' "$draft" | sed 's,\(.*\)/cur/,\1/tmp/mime-,')"
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fi
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if [ -n "$resume" ] && [ -z "$draft" ]; then
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echo "mcom: no draft found"
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exit 1
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fi
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[ -z "$resume" ] &&
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{
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case "$0" in
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*mcom*)
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{
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printf '%s' "$hdrs" | mhdr -M -h to - |
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commajoin | sed 's/^/To: /'
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printf '%s' "$hdrs" | mhdr -M -h cc - |
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commajoin | sed 's/^/Cc: /'
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printf '%s' "$hdrs" | mhdr -M -h bcc - |
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commajoin | sed 's/^/Bcc: /'
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printf '%s\n' "$hdrs" | awk '{ print }' |
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msed "/to/d; /cc/d; /bcc/d; /body/d" -
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} | msed "/cc/a//; /bcc/a//; /subject/a//; /from/a/$default_from/" - | sed '/^$/d'
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msgid
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museragent
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cat "$MBLAZE/headers" 2>/dev/null
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printf '\n'
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(
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IFS=$NL
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cat -- /dev/null $(printf '%s' "$hdrs" | mhdr -M -h body -)
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)
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printf '\n'
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;;
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*mfwd*)
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{
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printf '%s' "$hdrs" | mhdr -M -h to - |
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commajoin | sed 's/^/To: /'
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printf '%s' "$hdrs" | mhdr -M -h cc - |
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commajoin | sed 's/^/Cc: /'
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printf '%s' "$hdrs" | mhdr -M -h bcc - |
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commajoin | sed 's/^/Bcc: /'
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COLUMNS=10000 mscan -f 'Subject: Fwd: [%f] %s' "$@" 2>/dev/null | sed 1q
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printf '%s\n' "$hdrs" | awk '{ print }' |
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msed "/to/d; /cc/d; /bcc/d" -
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} | msed "/cc/a//; /bcc/a//; /from/a/$default_from/" - | sed '/^$/d'
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msgid
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museragent
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cat "$MBLAZE/headers" 2>/dev/null
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printf '\n\n'
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if [ -z "$raw" ]; then
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mseq -r "$@" | sed 's:^:#message/rfc822#inline :; s:$:>:'
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else (
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SEP=-----
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IFS=$NL
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for f in $(mseq -r "$@"); do
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printf '%s Forwarded message from %s %s\n\n' \
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$SEP "$(mhdr -d -A -h from "$f")" $SEP
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DISPLAY= mshow -n -N "$f" </dev/null |
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sed 's/^-/- &/' # RFC 934
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printf '\n%s %s %s\n\n' \
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$SEP 'End forwarded message' $SEP
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done
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) fi
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;;
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*mbnc*)
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old_ifs="$IFS"
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IFS=$NL
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set -- $(mseq -r -- "$@")
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IFS="$old_ifs"
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if [ "$#" -ne 1 ]; then
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printf 'mbnc: needs exactly one mail to bounce\n' 1>&2
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exit 1
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fi
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{
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printf '%s' "$hdrs" | mhdr -M -h resent-to - |
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commajoin | sed 's/^/Resent-To: /'
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printf '%s' "$hdrs" | mhdr -M -h resent-cc - |
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commajoin | sed 's/^/Resent-Cc: /'
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printf '%s\n' "$hdrs" | awk '{ print }' |
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msed "/resent-to/d; /resent-cc/d" -
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} |
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msed "/resent-to/a//; /resent-from/a/$default_from/" - | sed '/^$/d'
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msgid | sed 's/^/Resent-/'
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printf 'Resent-Date: %s\n' "$(mdate)"
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(
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IFS=$NL
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cat $(mseq -r -- "$@")
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)
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;;
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*mrep*)
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old_ifs="$IFS"
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IFS=$NL
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set -- $(mseq -r -- "$@")
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IFS="$old_ifs"
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if [ "$#" -ne 1 ]; then
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printf 'mrep: needs exactly one mail to reply to\n' 1>&2
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exit 1
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fi
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ng=$(mhdr -h newsgroups "$1")
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if [ "$ng" ]; then
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printf 'Newsgroups: %s\n' "$ng"
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else
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to=$(mhdr -d -h reply-to "$1")
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[ -z "$to" ] && to=$(mhdr -d -A -h from "$1")
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printf 'To: %s\n' "$to"
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printf 'Cc: %s\n' \
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"$(mhdr -d -A -h to:cc: "$1" |
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notmine |grep -Fv -e "$to" |
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ouniq |commajoin)"
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printf 'Bcc: \n'
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printf '%s\n' "$hdrs" | awk '{ print }' |
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msed "/body/d" -
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fi | sed '/^$/d'
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printf 'Subject: Re: %s\n' "$(COLUMNS=10000 mscan -f '%S' "$1")"
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if ! printf '%s\n' "$hdrs" | awk '{ print }' |
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mhdr -h from: - >/dev/null; then
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addr=$(maddr -a -h delivered-to:to:cc:bcc: "$1" | replyfrom | head -n1)
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[ -n "$addr" ] && from=$(maddr -h reply-from "$MBLAZE/profile" | grep -Fi "<$addr>" | head -n1)
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[ -n "$addr" ] && [ -z "$from" ] && from=$(maddr -h alternate-mailboxes "$MBLAZE/profile" | grep -Fi "<$addr>" | head -n1)
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[ -z "$from" ] && from=$(mhdr -h local-mailbox "$MBLAZE/profile")
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[ -n "$from" ] && printf 'From: %s\n' "$from"
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fi
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mid=$(mhdr -h message-id "$1")
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if [ "$mid" ]; then
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printf 'References:'
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{
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mhdr -h references "$1"
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printf '%s\n' "$mid"
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} | reffmt
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printf 'In-Reply-To: %s\n' "$mid"
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fi
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msgid
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museragent
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cat "$MBLAZE/headers" 2>/dev/null
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printf '\n'
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if [ -z "$noquote" ]; then
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mquote "$1"
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printf '\n'
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fi
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(
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IFS=$NL
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cat -- /dev/null $(printf '%s' "$hdrs" | mhdr -M -h body -)
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)
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printf '\n'
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;;
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esac
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case "$0" in
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*mbnc*) ;;
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*)
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if [ -f "$MBLAZE/signature" ]; then
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SIGNATURE="$MBLAZE/signature"
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elif [ -f ~/.signature ]; then
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SIGNATURE="$HOME/.signature"
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fi
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if [ -n "$SIGNATURE" ]; then
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printf '%s\n' '-- '
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cat "$SIGNATURE"
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fi
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esac
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} >"$draft"
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automime=
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c=$defaultc
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while :; do
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case "$c" in
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s|send)
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case "$(mhdr -h newsgroups "$draft")" in
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*gmane.*) sendmail="mblow -s news.gmane.org";;
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*.*) sendmail="mblow";;
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esac
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resent="$(maddr -h resent-to "$draft")"
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case "$resent" in
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?*)
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sendmail=$(mhdr -h sendmail "$MBLAZE/profile")
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sendmail="${sendmail:-sendmail} -- $resent"
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;;
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esac
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if [ -e "$draftmime" ]; then
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if [ "$draft" -ot "$draftmime" ] || [ "$automime" = 1 ]; then
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stampdate "$draftmime"
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if $sendmail <"$draftmime"; then
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if [ "$outbox" ]; then
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mv "$draftmime" "$draft"
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mrefile "$(mflag -d -S "$draft")" "$outbox"
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else
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rm "$draft" "$draftmime"
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fi
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else
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printf '%s\n' "mcom: $sendmail failed, kept draft $draft"
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exit 2
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fi
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else
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printf 'mcom: re-run mmime first.\n'
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c=
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continue
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fi
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else
|
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if mmime -c <"$draft" && ! [ "$automime" = 1 ]; then
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stampdate "$draft"
|
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if $sendmail <"$draft"; then
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if [ "$outbox" ]; then
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mrefile "$(mflag -d -S "$draft")" "$outbox"
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else
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rm "$draft"
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fi
|
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else
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printf '%s\n' "mcom: $sendmail failed, kept draft $draft"
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exit 2
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fi
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else
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printf '%s\n' "mcom: message needs to be MIME-encoded first."
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c=
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continue
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fi
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fi
|
|
|
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case "$0" in
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*mrep*) mflag -R -- "$1" ;;
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*mbnc*) mflag -P -- "$1" ;;
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*mfwd*) mflag -P -- "$@" ;;
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esac
|
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case "$0" in
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*mrep*|*mbnc*|*mfwd*) mseq -f | mseq -S ;;
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esac
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exit 0
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;;
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c|cancel)
|
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stampdate "$draft"
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printf '%s\n' "mcom: cancelled draft $draft"
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exit 1
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;;
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m|mime)
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do_mime
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mshow -t "$draftmime"
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c=
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;;
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e|edit)
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c=
|
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if ! ${VISUAL:-${EDITOR:-vi}} "$draft"; then
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c=d
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else
|
|
if checksensible "$draft"; then
|
|
stripempty "$draft"
|
|
if mmime -c <"$draft" && ! needs_multipart "$draft"; then
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automime=
|
|
else
|
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automime=1
|
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do_mime
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fi
|
|
else
|
|
printf '\n'
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|
fi
|
|
fi
|
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;;
|
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justsend)
|
|
stripempty "$draft"
|
|
if mmime -c <"$draft" && ! needs_multipart "$draft"; then
|
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automime=
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else
|
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automime=1
|
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do_mime
|
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fi
|
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c=send
|
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;;
|
|
d|delete)
|
|
rm -i "$draft"
|
|
if ! [ -f "$draft" ]; then
|
|
rm -f "$draftmime"
|
|
printf '%s\n' "mcom: deleted draft $draft"
|
|
exit 0
|
|
fi
|
|
c=
|
|
;;
|
|
sign)
|
|
msign "$draft" >"$draftmime"
|
|
mshow -t "$draftmime"
|
|
c=
|
|
;;
|
|
encrypt)
|
|
mencrypt "$draft" >"$draftmime"
|
|
mshow -t "$draftmime"
|
|
c=
|
|
;;
|
|
p|preview|show)
|
|
if [ -e "$draftmime" ]; then
|
|
mshow "$draftmime"
|
|
else
|
|
mshow "$draft"
|
|
fi
|
|
c=
|
|
;;
|
|
*)
|
|
printf 'What now? (%s[s]end, [c]ancel, [d]elete, [e]dit, [m]ime, [p]review, sign, encrypt) ' "${automime:+mime and }"
|
|
read -r c
|
|
;;
|
|
esac
|
|
done
|