moontalk/client/moontalk.tcl

#!/usr/bin/tclsh
package require Tk

set ::name anonymous
set ::usernu x

set ::host 7ks473deh6ggtwqsvbqdurepv5i6iblpbkx33b6cydon3ajph73sssad.onion

pack [text .msgs] -fill both -expand 1
pack [entry .entry] -fill x

proc add_msg { msg } {
    .msgs insert end "$msg\n"
    .msgs yview end
}

proc get_msg {} {
    set curdate [clock format [clock seconds] -format "%Y/%m/%d %T"]
    return "<$curdate $::name:$::usernu> [.entry get]"
}

bind .entry <Return> {
    set msg [get_msg]
    puts $::fd $msg
    flush $::fd
    add_msg $msg
    .entry delete 0 end
}

fileevent [set fd [socket $::host 50000]] readable {
    add_msg [gets $::fd]
}

chan configure $::fd -translation binary