broken client script

#!/usr/local/bin/wish
package require Tk

proc connect_to_irc {} {
	set irc [socket "localhost" 6667]
	puts $irc "NICK TclTkCli"
	puts $irc "JOIN #tcl"
	puts $irc "PRIVMSG #tcl: Hi all :)"

	gets $irc data
	while {1} {
		.txt insert end "$data"
		gets $irc data
	}
}

frame .frm -relief groove
button .irc -text "Connect to #tcl" -command "connect_to_irc"

frame .textarea
text .txt -width 30 -height 10 -yscrollcommand ".srl_y set"

scrollbar .srl_y -command ".txt yview" -orient v

pack .frm
pack .irc -in .frm
pack .txt -in .textarea

grid .txt   -in .textarea -row 1 -column 1
grid .srl_y -in .textarea -row 1 -column 2 -sticky ns
pack .textarea