Mail script should be attached.  This time for sure.

Russ

#!/usr/local/plan9/bin/rc

. 9.rc
. $PLAN9/lib/acme.rc

mh=/usr/bin/mh  # directory with mh binaries

fn event {
        # $1 - c1 origin of event
        # $2 - c2 type of action
        # $3 - q0 beginning of selection
        # $4 - q1 end of selection
        # $5 - eq0 beginning of expanded selection
        # $6 - eq1 end of expanded selection
        # $7 - flag
        # $8 - nr number of runes in $7
        # $9 - text
        # $10 - chorded argument
        # $11 - origin of chorded argument

        switch($1$2){
        case E* # write to body or tag
        case F* # generated by ourselves; ignore
        case K* # type away we do not care
        case Mi # mouse: text inserted in tag
        case MI # mouse: text inserted in body
        case Md # mouse: text deleted from tag
        case MD # mouse: text deleted from body

        case Mx MX      # button 2 in tag or body
                $x $*

        case Ml ML      # button 3 in tag or body
                $l $* &
        }
}

listfmt='%(msg)/        %<(mymbox{from})%<{to}To: 
%(decode(friendly{to}))%>%>%<(zero)%(decode(friendly{from}))%>        
%(day{date}) %(month{date}) %(mday{date}) %02(hour{date}):%02(min{date})\n      
%(decode{subject})'

fn boxexec {
        switch($9){
        case Get
                echo -n , | winwrite addr
                $mh/scan +^$boxname -reverse -format $listfmt | winwrite data
                winctl clean
        case Mail*
                postwin `{echo $9 | sed 's/Mail *//'} &
        case *
                winwriteevent $*
        }
}

fn boxload {
        switch($9){
        case [0-9]*
                msgwin $boxname $9 &
        case */Mail/*
                f=`{echo $9 | sed 's;/+$;;'}
                if(test -d $f){
                        boxwin $f &
                }
                if not if(test -f $f){
                        echo reloading msg
                        box=`{echo $f | sed 's;/[^/]+$;;'}
                        num=`{echo $f | sed 's;.*/;;'}
                        msgwin $box $num &
                }
                if not
                        winwriteevent $*
        case *
                winwriteevent $*
        }
}

fn cmd {
        $1 - - - - - - - - $2
}

fn boxwin {
        newwindow
        boxname=$1
        winname $boxname
        x=boxexec
        l=boxload
        cmd $x Get
        echo -n 'Get Mail ' | winwrite tag
        wineventloop
}

fn msgexec {
        switch($9){
        case Get
                echo -n , | winwrite addr
                $mh/mhshow -nopause +^$boxname $msgnum | 9 grep -v '^part 
[0-9]?   +text' | 9 fmt -j | winwrite data
                winctl clean
        case Mail*
                postwin `{echo $9 | sed 's/^Mail *//'} &
        case Reply*
                postwin `{echo $9 | sed 's/^Reply *//'} &
        case Delmesg
                if(~ $boxname */*){
                        x=`{echo $boxname | sed 's;.*/;;'}
                        $mh/refile -src +$x $msgnum +d
                        winctl del
                }
        case Spam
                if(~ $boxname */*){
                        x=`{echo $boxname | sed 's;.*/;;'}
                        $mh/refile -src +$x $msgnum +spam
                        winctl del
                }
        case *
                winwriteevent $*
        }
}

fn msgwin {
        newwindow
        boxname=$1
        msgnum=$2
        winname $boxname/$msgnum
        shift
        shift
        x=msgexec
        l=boxload
        if(~ $boxname */draft){
                x=postexec
                echo -n 'Post ' | winwrite tag
        }
        if not
                echo -n 'Reply Delmesg ' | winwrite tag
        cmd $x Get
        wineventloop
}

fn postexec {
        switch($9){
        case Get
                winctl get
        case Post
                switch($boxname){
                case */draft
                        if(winctl put)
                                $mh/send -attach Attach -push -draftmessage 
$boxname/$msgnum 
                case *
                        # should copy body into draft file and post it
                        # can't put - would overwrite good message
                        echo cannot post from non-draft
                }
        case Del
                # check that window is clean!
                winwriteevent $*
        case *
                winwriteevent $*
        }
}

nl='
'
fn postwin {
        if(~ $#msgnum 1){
                # prepare a reply
                winread body | 9 grep -i '^(Reply-To|Subject|From|Message-Id):' 
>/tmp/mail.$pid
                winread body | sed '1,/^$/d' | sed 's/^/> /' >/tmp/body.$pid
                oifs=$ifs
                ifs=$nl
                subject=`{9 grep -i '^Subject:' /tmp/mail.$pid | sed 
's/^Subject: *//'}
                from=`{9 grep -i '^From:' /tmp/mail.$pid | sed 's/^From: *//'}
                msgid=`{9 grep -i '^Message-Id:' $boxname/$msgnum | sed 
's/^[Mm][Ee][Ss][Ss][Aa][Gg][Ee]-[Ii][Dd]: *//'}
                replyto=`{9 grep -i '^Reply-To:' $boxname/$msgnum | sed 
's/^[Rr][Ee][Pp][Ll][Yy]-[Tt][Oo]: *//'}
                rm -f /tmp/mail.$pid
                ifs=$oifs
                if(~ $#* 0){
                        if(! ~ $#replyto 0)
                                *=($replyto)
                        if not
                                *=($from)
                }
                if(! echo $subject | 9 grep -si 're:')
                        subject='Re: ' ^ $"subject
        }
        newwindow
        n=1
        while(test -f $home/Mail/draft/$n)
                n=`{echo 1+$n|hoc}
        name=$home/Mail/draft/$n
        msgnum=$n
        boxname=$home/Mail/draft
        {
                echo 'To:' $*
                if(! ~ $#subject 0)
                        echo 'Subject: '^$subject
                cat $home/Mail/headers
                if(! ~ $#msgid 0)
                        echo 'In-Reply-To: '^$msgid
                echo 
                if(test -f /tmp/body.$pid){
                        cat /tmp/body.$pid
                        rm /tmp/body.$pid
                }
        } >$name

        winname $name
        winctl get
        echo -n 'Post' | winwrite tag
        x=postexec
        l=boxload
        wineventloop
}

boxwin $home/Mail/inbox; exit

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