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|
#!/usr/bin/env ruby
if ARGV[0] != '-d'
unless $DEBUG
exit if fork
end
else
ARGV.shift
end
if ARGV.length == 0
if ENV['MAIL']
$spool = ENV['MAIL']
else
$spool = '/var/spool/mail/' + ENV['USER']
end
else
$spool = ARGV[0]
end
require "parsedate"
require "base64"
include ParseDate
class Mail
def Mail.new(f)
if !f.kind_of?(IO)
f = open(f, "r")
me = super
f.close
else
me = super
end
return me
end
def initialize(f)
@header = {}
@body = []
while line = f.gets()
line.chop!
next if /^From / =~ line # skip From-line
break if /^$/ =~ line # end of header
if /^(\S+):\s*(.*)/ =~ line
@header[attr = $1.capitalize] = $2
elsif attr
sub(/^\s*/, '')
@header[attr] += "\n" + $_
end
end
return unless $_
while line = f.gets()
break if /^From / =~ line
@body.push($_)
end
end
def header
return @header
end
def body
return @body
end
end
require "tkscrollbox"
my_appname = Tk.appname('tkbiff')
$top = TkRoot.new
if ((TkWinfo.interps($top) - [my_appname]).find{|ip| ip =~ /^tkbiff/})
STDERR.print("Probably other 'tkbiff's are running. Bye.\n")
exit
end
$top.withdraw
$list = TkScrollbox.new($top) {
relief 'raised'
width 80
height 8
setgrid 'yes'
pack
}
TkButton.new($top) {
text 'Dismiss'
command proc {$top.withdraw}
pack('fill'=>'both','expand'=>'yes')
}
$top.bind "Control-c", proc{exit}
$top.bind "Control-q", proc{exit}
$top.bind "space", proc{exit}
$spool_size = 0
$check_time = Time.now
def check
$check_time = Time.now
size = File.size($spool)
if size and size != $spool_size
$spool_size = size
pop_up if size > 0
end
Tk.after 5000, proc{check}
end
if defined? Thread
Thread.start do
loop do
sleep 600
if Time.now - $check_time > 200
Tk.after 5000, proc{check}
end
end
end
end
def pop_up
outcount = 0;
$list.delete 0, 'end'
f = open($spool, "r")
while !f.eof?
mail = Mail.new(f)
date, from, subj = mail.header['Date'], mail.header['From'], mail.header['Subject']
next if !date
y = m = d = 0
y, m, d = parsedate(date) if date
from = "sombody@somewhere" if ! from
subj = "(nil)" if ! subj
from = decode_b(from)
subj = decode_b(subj)
$list.insert 'end', format('%-02d/%02d/%02d [%-28.28s] %s',y,m,d,from,subj)
outcount += 1
end
f.close
if outcount == 0
$list.insert 'end', "You have no mail."
else
$list.see 'end'
end
$top.deiconify
Tk.after 2000, proc{$top.iconify}
end
$list.insert 'end', "You have no mail."
check
Tk.after 2000, proc{$top.iconify}
begin
Tk.mainloop
rescue
`echo #$! > /tmp/tkbiff`
end
|
