....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /bin/kibitz
#!/usr/bin/sh
# -*- tcl -*-
# The next line is executed by /bin/sh, but not tcl \
exec tclsh "$0" ${1+"$@"}

package require Expect


# allow another user to share a shell (or other program) with you
# See kibitz(1) man page for complete info.
# Author: Don Libes, NIST
# Date written: December 5, 1991
# Date last editted: October 19, 1994
# Version: 2.11
exp_version -exit 5.0

# if environment variable "EXPECT_PROMPT" exists, it is taken as a regular
# expression which matches the end of your login prompt (but does not other-
# wise occur while logging in).

set prompt "(%|#|\\$) $"	;# default prompt
set noproc 0
set tty ""			;# default if no -tty flag
set allow_escape 1		;# allow escapes if true
set escape_char \035		;# control-right-bracket
set escape_printable "^\]"
set verbose 1			;# if true, describe what kibitz is doing

set kibitz "kibitz"		;# where kibitz lives if some unusual place.
				;# this must end in "kibitz", but can have
				;# things in front (like directory names).
#set proxy "kibitz"		;# uncomment and set if you want kibitz to use
				;# some other account on remote systems

# The following code attempts to intuit whether cat buffers by default.
# The -u flag is required on HPUX (8 and 9) and IBM AIX (3.2) systems.
if {[file exists $exp_exec_library/cat-buffers]} {
    set catflags "-u"
} else {
    set catflags ""
}
# If this fails, you can also force it by commenting in one of the following.
# Or, you can use the -catu flag to the script.
#set catflags ""
#set catflags "-u"

# Some flags must be passed onto the remote kibitz process.  They are stored
# in "kibitz_flags".  Currently, they include -tty and -silent.
set kibitz_flags ""

while {[llength $argv]>0} {
	set flag [lindex $argv 0]
	switch -- $flag \
	"-noproc" {
		set noproc 1
		set argv [lrange $argv 1 end]
	} "-catu" {
		set catflags "-u"
		set argv [lrange $argv 1 end]
	} "-tty" {
		set tty [lindex $argv 1]
		set argv [lrange $argv 2 end]
		set kibitz_flags "$kibitz_flags -tty $tty"
	} "-noescape" {
		set allow_escape 0
		set argv [lrange $argv 1 end]
	} "-escape" {
		set escape_char [lindex $argv 1]
		set escape_printable $escape_char
		set argv [lrange $argv 2 end]
	} "-silent" {
		set verbose 0
		set argv [lrange $argv 1 end]
		set kibitz_flags "$kibitz_flags -silent"
	} "-proxy" {
		set proxy [lindex $argv 1]
		set argv [lrange $argv 2 end]
	} default {
		break
	}
}

if {([llength $argv]<1) && ($noproc==0)} {
	send_user "usage: kibitz \[args] user \[program ...]\n"
	send_user "   or: kibitz \[args] user@host \[program ...]\n"
	exit
}

log_user 0
set timeout -1

set user [lindex $argv 0]
if {[string match -r $user]} {
	send_user "KRUN"	;# this tells user_number 1 that we're running
				;# and to prepare for possible error messages
	set user_number 3
	# need to check that it exists first!
	set user [lindex $argv 1]
} else {
	set user_number [expr 1+(0==[string first - $user])]
}

# at this point, user_number and user are correctly determined
# User who originated kibitz session has user_number == 1 on local machine.
# User who is responding to kibitz has user_number == 2.
# User who originated kibitz session has user_number == 3 on remote machine.

# user 1 invokes kibitz as "kibitz user[@host]"
# user 2 invokes kibitz as "kibitz -####" (some pid).
# user 3 invokes kibitz as "kibitz -r user".

# uncomment for debugging: leaves each user's session in a file: 1, 2 or 3
#exec rm -f $user_number
#exp_internal -f $user_number 0

set user2_islocal 1	;# assume local at first

# later move inside following if $user_number == 1
# return true if x is a prefix of xjunk, given that prefixes are only
# valid at . delimiters
# if !do_if0, skip the whole thing - this is here just to make caller simpler
proc is_prefix {do_if0 x xjunk} {
	if 0!=$do_if0 {return 0}
	set split [split $xjunk .]
	for {set i [expr [llength $split]-1]} {$i>=0} {incr i -1} {
		if {[string match $x [join [lrange $split 0 $i] .]]} {return 1}
	}
	return 0
}

# get domainname.  Unfortunately, on some systems, domainname(1)
# returns NIS domainname which is not the internet domainname.
proc domainname {} {
    # open pops stack upon failure
    set rc [catch {open /etc/resolv.conf r} file]
    if {$rc==0} {
	while {-1!=[gets $file buf]} {
	    if 1==[scan $buf "domain %s" name] {
		close $file
		return $name
	    }
	}
	close $file
    }

    # fall back to using domainname
    if {0==[catch {exec domainname} name]} {return $name}

    error "could not figure out domainname"
}

if $user_number==1 {
    if $noproc==0 {
	if {[llength $argv]>1} {
	    set pid [eval spawn [lrange $argv 1 end]]
	} else {
	    # if running as CGI, shell may not be set!
	    set shell /bin/sh
	    catch {set shell $env(SHELL)}
	    set pid [spawn $shell]
	}
	set shell $spawn_id
    }

    # is user2 remote?
    regexp (\[^@\]*)@*(.*) $user ignore tmp host
    set user $tmp
    if ![string match $host ""] {
	set h_rc [catch {exec hostname}	hostname]
	set d_rc [catch domainname 	domainname]

	if {![is_prefix $h_rc $host $hostname]
	&& ![is_prefix $d_rc $host $hostname.$domainname]} {
	    set user2_islocal 0
	}
    }

    if !$user2_islocal {
	if $verbose {send_user "connecting to $host\n"}

	if ![info exists proxy] {
	    proc whoami {} {
		global env
		if {[info exists env(USER)]} {return $env(USER)}
		if {[info exists env(LOGNAME)]} {return $env(LOGNAME)}
		if {![catch {exec whoami} user]} {return $user}
		if {![catch {exec logname} user]} {return $user}
		# error "can't figure out who you are!"
	    }
	    set proxy [whoami]
	}
	spawn rlogin $host -l $proxy -8
	set userin $spawn_id
	set userout $spawn_id

	catch {set prompt $env(EXPECT_PROMPT)}

	set timeout 120
	expect {
	    assword: {
		stty -echo
		send_user "password (for $proxy) on $host: "
		set old_timeout $timeout; set timeout -1
		expect_user -re "(.*)\n"
		send_user "\n"
		set timeout $old_timeout
		send "$expect_out(1,string)\r"
		# bother resetting echo?
		exp_continue
	    } incorrect* {
		send_user "invalid password or account\n"
		exit
	    } "TERM = *) " {
		send "\r"
		exp_continue
	    } timeout {
		send_user "connection to $host timed out\n"
		exit
	    } eof {
		send_user "connection to host failed: $expect_out(buffer)"
		exit
	    } -re $prompt
	}
	if {$verbose} {send_user "starting kibitz on $host\n"}
	# the kill protects user1 from receiving user3's
	# prompt if user2 exits via expect's exit.
	send "$kibitz $kibitz_flags -r $user;kill -9 $$\r"

	expect {
	    -re "kibitz $kibitz_flags -r $user.*KRUN" {}
	    -re "kibitz $kibitz_flags -r $user.*(kibitz\[^\r\]*)\r" {
		send_user "unable to start kibitz on $host: \"$expect_out(1,string)\"\n"
		send_user "try rlogin by hand followed by \"kibitz $user\"\n"
		exit
	    }
	    timeout {
		send_user "unable to start kibitz on $host: "
		set expect_out(buffer) "timed out"
		set timeout 0; expect -re .+
		send_user $expect_out(buffer)
		exit
	    }
	}
	expect {
	    -re ".*\n" {
		# pass back diagnostics
		# should really strip out extra cr
		send_user $expect_out(buffer)
		exp_continue
	    }
	    KABORT exit
	    default exit
	    KDATA
	}
    }
}

if {$user_number==2} {
    set pid [string trimleft $user -]
}

set local_io [expr ($user_number==3)||$user2_islocal]
if {$local_io||($user_number==2)} {
    if {0==[info exists pid]} {set pid [pid]}

    set userinfile /tmp/exp0.$pid
    set useroutfile /tmp/exp1.$pid
}

proc prompt1 {} {
    return "kibitz[info level].[history nextid]> "
}

set esc_match {}
if {$allow_escape} {
   set esc_match {
      $escape_char {
	send_user "\nto exit kibitz, enter: exit\n"
	send_user "to suspend kibitz, press appropriate job control sequence\n"
	send_user "to return to kibitzing, enter: return\n"
	interpreter
	send_user "returning to kibitz\n"
      }
   }
}

proc prompt1 {} {
    return "kibitz[info level].[history nextid]> "
}

set timeout -1

# kibitzer executes following code
if {$user_number==2} {
    # for readability, swap variables
    set tmp $userinfile
    set userinfile $useroutfile
    set useroutfile $tmp

    if ![file readable $userinfile] {
	send_user "Eh?  No one is asking you to kibitz.\n"
	exit -1
    }
    spawn -open [open "|cat $catflags < $userinfile" "r"]
    set userin $spawn_id

    spawn -open [open $useroutfile w]
    set userout $spawn_id
    # open will hang until other user's cat starts

    stty -echo raw
    if {$allow_escape} {send_user "Escape sequence is $escape_printable\r\n"}

    # While user is reading message, try to delete other fifo
    catch {exec rm -f $userinfile}

    eval interact $esc_match \
	    -output $userout \
	    -input $userin

    exit
}

# only user_numbers 1 and 3 execute remaining code

proc abort {} {
    # KABORT tells user_number 1 that user_number 3 has run into problems
    # and is exiting, and diagnostics have been returned already
    if {$::user_number==3} {send_user KABORT}
    exit
}

if {$local_io} {
    proc mkfifo {f} {
	if 0==[catch {exec mkfifo $f}] return		;# POSIX
	if 0==[catch {exec mknod $f p}] return
	# some systems put mknod in wierd places
	if 0==[catch {exec /usr/etc/mknod $f p}] return	;# Sun
	if 0==[catch {exec /etc/mknod $f p}] return	;# AIX, Cray
	puts "Couldn't figure out how to make a fifo - where is mknod?"
	abort
    }

    proc rmfifos {} {
	global userinfile useroutfile
	catch {exec rm -f $userinfile $useroutfile}
    }

    trap {rmfifos; exit} {SIGINT SIGQUIT SIGTERM}

    # create 2 fifos to communicate with other user
    mkfifo $userinfile
    mkfifo $useroutfile
    # make sure other user can access despite umask
    exec chmod 666 $userinfile $useroutfile

    if {$verbose} {send_user "asking $user to type:  kibitz -$pid\n"}

    # can't use exec since write insists on being run from a tty!
    set rc [catch {
		   system echo "Can we talk?  Run: \"kibitz -$pid\"" | \
			write $user $tty
		}
	]
    if {$rc} {rmfifos;abort}

    spawn -open [open $useroutfile w]
    set userout $spawn_id
    # open will hang until other user's cat starts

    spawn -open [open "|cat $catflags < $userinfile" "r"]
    set userin $spawn_id
    catch {exec rm $userinfile}
}

stty -echo raw

if {$user_number==3} {
    send_user "KDATA"	;# this tells user_number 1 to send data

    interact {
	-output $userout
	-input $userin eof {
	    wait -i $userin
	    return -tcl
	} -output $user_spawn_id 
    }
} else {
    if {$allow_escape} {send_user "Escape sequence is $escape_printable\r\n"}

    if {$noproc} {
	interact {
	    -output $userout
	    -input $userin eof {wait -i $userin; return}
	    -output $user_spawn_id
	}
    } else {
	eval interact $esc_match {
	    -output $shell \
		    -input $userin eof {
		wait -i $userin
		close -i $shell
		return
	    } -output $shell \
		    -input $shell eof {
		close -i $userout
		wait -i $userout
		return
	    } -output "$user_spawn_id $userout"
	}
	wait -i $shell
    }
}

if {$local_io} rmfifos

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