fn conf_enable_blog {
    blagh_uri=$conf_wd
    blagh_dirs=$*
    if(~ $#blagh_dirs 0)
        blagh_dirs=( . )
}

fn blagh_init {
    if(~ $#blagh_dirs 0 && ~ $req_path */[bB]log/) {
        blagh_uri=$req_path
        blagh_dirs=( . )
    }

    # Should not match sub-dirs!
    if(! ~ $#blagh_dirs 0) {
    # && test -d / `{echo '-a -d '^$blagh_root^$blagh_dirs}
        blagh_url=$base_url^$blagh_uri
        blagh_root=$sitedir^$blagh_uri

        if(~ $req_path */ && ~ $req_path $blagh_uri) {
            handler_body_main=blagh_body
            u=$blagh_uri'index'
            extraHeaders=$"extraHeaders ^ \
            '<link rel="alternate" type="application/rss+xml" title="RSS" href="'$"u'.rss" />
<link rel="alternate" type="application/atom+xml" title="ATOM" href="'$"u'.atom" />'

        }
        if not if(~ $req_path */index.atom)
            blagh_setup_feed_handlers atom.tpl
        if not if(~ $req_path */index.rss)
            blagh_setup_feed_handlers rss20.tpl
    }
}

fn blagh_setup_feed_handlers {
    handler_body_main=NOT_USED_by_blagh_feeds
    res_tail=()
    master_template=_apps/blagh/$1
}

fn blagh_body {
    for(p in `{get_post_list $blagh_root^$blagh_dirs}) {
        l=`{echo -n $p|sed 's!'$sitedir^$req_path'!!'}
        sed '1s!.*![&]('$l')!' < $p/index.md | $formatter 
    }
}

fn get_post_list {
    # the /./->/|/ are added so we can sort -t| and order only the file name
    # NOTE: this breaks if any path element in blagh_dirs contain '/./' or '|'
    ls -F $*^/./[0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9]/ >[2]/dev/null | sed -n '/'^$forbidden_uri_chars^'/d; s,/\./,/|/,; /\/$/p' | sort -r '-t|' +1 | sed 's,/+\|/+,/,'
}


fn make_blog_post {
    if(! ~ 0 $#1 $#2 $#3) {
        bdir=$1
        btitle=$2
        btext=$3
        date=`{/bin/date +%F}

        n=1
        for(f in $bdir^$date^'-'*) {
            i=`{echo -n $f | sed -n 's,^.*/'$date'-([0-9]+)_.*,\1,p'|tr -d $NEW_LINE}
            if(! ~ $#i 0 && test $i -ge $n)
                n=`{hoc -e $i'+1'}
        }
        btitle=`{echo -n $"btitle | sed 's/[ 	]+/_/g; 1q'}

        echo $btext > $bdir^'/'^$"date^'-'^$"n^_$"btitle.md 
    }
    if not
        status=Missing blog post arguments $"1 $"2 $"3 
}