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#!/bin/rc
# bloated, featureful usenet reader for use with nntpfs
rfork en
ramfs
argv0=$0
if(~ $#editor 0)
editor=hold
group=alt/test
maxposts=30
mnt=/mnt/news
if(~ $#newtname 0)
newtname=newt@dont-email.me
fn enterpost{
{
echo From: $"newtname
echo Newsgroups: `{echo $group | sed 's/\//\./g'}
echo Subject: $"subject
echo
} >/tmp/post
eval $editor /tmp/post
cat /tmp/post >$mnt/$group/post
}
fn f { du -a $* | sed 's/^.* //g' }
fn fmtd{
date=`{cat}
if(! ~ $date(1) [0-9]*)
date=`{nshift $date}
da=$date(1)
if(~ $da [0-9])
da=0^$da
switch($date(2)){
case Jan; mo=1
case Feb; mo=2
case Mar; mo=3
case Apr; mo=4
case May; mo=5
case Jun; mo=6
case Jul; mo=7
case Aug; mo=8
case Sep; mo=9
case Oct; mo=10
case Nov; mo=11
case Dec; mo=12
}
if(! ~ $date(3) `{date | awk '{print $6;}'})
ti=$date(3)
if not
ti=`{echo $date(4) | awk '{print substr($0,0,5);}'}
echo $mo/$da $ti
}
fn geth{
for(i in $*){
from=`{awk -F ' ' '{print $3;}' $i/xover}
if(! ~ $#from 0 && ! ~ $#from 1){
nfrom=`{
for(i in $from){
if(~ $i *@*)
echo $i | sed 's/(<|>)//g'
}
}
if(! ~ $#nfrom 0)
from=$nfrom
}
if(! ~ $#from 0){
date=`{awk -F ' ' '{print $4;}' $i/xover >[2]/dev/null | fmtd}
awk -v date'='$"date -v from'='$from(1) -F ' ' \
'{print " " $1 " " date " " from " " substr($2,0,50);}' $i/xover >[2]/dev/null
}
if not
echo ' '$"i' nil nil nil'
}
}
fn getposts{ ls | grep -e '^[0-9]+$' | sort -n | tail -$maxposts }
fn k{
kmnt=`{echo $mnt | sed 's/\//\\\//g'}
f $mnt/$* |
grep -v -e '\/([0-9]+|article|body|header|post|xover)$' |
sed 's/^'$"kmnt'\// g /g' |
sort
}
fn nshift{ shift; echo $* }
fn printhelp{
echo '[0-9]+ print specified message
b back
e enter message
f jump to first message
g ... go to specified group
h print message headlines
help print this help message
k ... list sub-groups under specified group
kf ... grep $home/lib/newsgroups for regexp
l jump to last message
n next
p print message with minimal headers
P print message with full headers
q quit
r reply to message
y synchronize message list with server
" print message in quoted form, suitable for reply
|cmd pipe message body to a command
||cmd pipe raw message to a command
? print debug information'
}
fn printp{
if(test -d $mnt/$group/$1){
grep -e '(^From|^Newsgroups|^Subject|^Date)' $1/header
echo
cat $1/body
}
echo
prompt=$group/$1
}
fn printpp{
if(test -d $mnt/$group/$1){
cat $1/article
}
echo
prompt=$group/$1
}
fn usage{
echo usage: $argv0 '[ -f newsgroup ] [ -m mountpoint ] [ -p maxposts ]' >[1=2]
exit usage
}
while(~ $1 -*){
switch($1){
case -f
group=`{echo $2 | sed 's/\./\//g'}
shift
case -m
mnt=$2
shift
case -p
maxposts=$2
shift
case *
usage
}
shift
}
if(! ~ $#* 0)
usage
prompt=$group
if(! test -d $mnt/$group){
echo !$mnt/$group does not exist >[1=2]
exit
}
builtin cd $mnt/$group
go=()
posts=`{getposts}
geth $posts >/tmp/h
post=$posts(1)
echo $#posts messages
while(){
echo -n $"prompt': '
cmd=`{read}
switch($cmd){
case [0-9]*
if(grep -s -e '^[0-9]+$' <{echo $cmd(1)}){
post=$cmd(1)
printp $post
}
case b
if(! ~ $post $posts(1)){
post=`{echo $post^-1 | bc}
printp $post
}
case e
enterpost
case f
post=$posts(1)
printp $post
case g' '*
ngroup=`{nshift $cmd | sed 's/\./\//g'}
if(test -d $mnt/$ngroup){
if(grep -s -e '^[0-9]+$' <{ls -p $mnt/$ngroup}){
group=$ngroup
builtin cd $mnt/$group
go=()
posts=`{getposts}
geth $posts >/tmp/h
post=$posts(1)
prompt=$group
echo $#posts messages
}
if not
echo !$ngroup contains no messages
}
if not
echo !$ngroup does not exist
case h
cat /tmp/h
case help
printhelp
case k
k $group
case k' '*
k `{nshift $cmd | sed 's/\./\//g'}
case kf' '*
grep -e `{nshift $cmd} $home/lib/newsgroups |
sed 's/^/ g /g'
case l
post=$posts($#posts)
printp $post
case p
printp $post
case p' '*
post=`{nshift $cmd}
printp $post
case P
printpp $post
case P' '*
post=`{nshift $cmd}
printpp $post
case q
exit
case r
if(test -f $mnt/$group/$post/header){
subject='Re: '^`{grep -e '^Subject: ' $mnt/$group/$post/header | sed 's/^Subject: //g'}
enterpost
}
if not
echo !message missing
case y
posts=`{getposts}
geth $posts >/tmp/h
echo $#posts messages
case '"'
printp $post | sed 1d | sed 's/^/> /g' | sed 's/^> >/>>/g'
case '||'*
cmd=`{echo $"cmd | sed 's/^\|\|//g'}
cat $mnt/$group/$post/article | eval $cmd
case '|'*
cmd=`{echo $"cmd | sed 's/^\|//g'}
cat $mnt/$group/$post/body | eval $cmd
case '?'
echo mnt: $mnt
echo group: $group
echo maxposts: $maxposts
echo posts: $posts
echo post: $post
case n *
if(~ $post $posts(1) && ~ $#go 0){
go=1
printp $post
}
if not if(! ~ $post $posts($#posts)){
go=1
post=`{echo $post^+1 | bc}
if(test $post -gt $posts($#posts))
post=$posts($#posts)
printp $post
}
}
}
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