How to reset selected variables in TCL

Altair Forum User
Altair Forum User
Altair Employee
edited October 2020 in Community Q&A

Hie everybody

When I loop over several subcases to post treat the stresses, I need to reset variables otherwise, the results , I can obtain in the first loop, remain in the next loops : thus it is impossible to get the results I want.

I tried to use the command : 'namespace delete varaible' but it deletes all

thanks for your replies

greg

Tagged:

Answers

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited April 2009

    HI,

    You can loop again and unset pertcular variable instead of deleting whole namespace.

  • Altair Forum User
    Altair Forum User
    Altair Employee
    edited August 2010

    # console.tcl --

    #

    # This code constructs the console window for an application. It

    # can be used by non-unix systems that do not have built-in support

    # for shells.

    #

    # RCS: @(#) $Id: console.tcl,v 1.22.2.3 2005/05/31 04:58:00 hobbs Exp $

    #

    # Copyright © 1995-1997 Sun Microsystems, Inc.

    # Copyright © 1998-2000 Ajuba Solutions.

    #

    # See the file 'license.terms' for information on usage and redistribution

    # of this file, and for a DISCLAIMER OF ALL WARRANTIES.

    #

    # TODO: history - remember partially written command

    namespace eval ::tk::console {

    variable blinkTime 500 ; # msecs to blink braced range for

    variable blinkRange 1 ; # enable blinking of the entire braced range

    variable magicKeys 1 ; # enable brace matching and proc/var recognition

    variable maxLines 600 ; # maximum # of lines buffered in console

    variable showMatches 1 ; # show multiple expand matches

    variable inPlugin [info exists embed_args]

    variable defaultPrompt ; # default prompt if tcl_prompt1 isn't used

    if {$inPlugin} {

    set defaultPrompt {subst {[history nextid] % }}

    } else {

    set defaultPrompt {subst {([file tail [pwd]]) [history nextid] % }}

    }

    }

    # simple compat function for tkcon code added for this console

    interp alias {} EvalAttached {} consoleinterp eval

    # ::tk::ConsoleInit --

    # This procedure constructs and configures the console windows.

    #

    # Arguments:

    # None.

    proc ::tk::ConsoleInit {} {

    global tcl_platform

    if {![consoleinterp eval {set tcl_interactive}]} {

    wm withdraw .

    }

    if {[string equal $tcl_platform(platform) 'macintosh']

    || [string equal [tk windowingsystem] 'aqua']} {

    set mod 'Cmd'

    } else {

    set mod 'Ctrl'

    }

    if {[catch {menu .menubar} err]} { bgerror 'INIT: $err' }

    .menubar add cascade -label File -menu .menubar.file -underline 0

    .menubar add cascade -label Edit -menu .menubar.edit -underline 0

    menu .menubar.file -tearoff 0

    .menubar.file add command -label [mc 'Source...'] \

    -underline 0 -command tk::ConsoleSource

    .menubar.file add command -label [mc 'Hide Console'] \

    -underline 0 -command {wm withdraw .}

    .menubar.file add command -label [mc 'Clear Console'] \

    -underline 0 -command {.console delete 1.0 'promptEnd linestart'}

    if {[string equal $tcl_platform(platform) 'macintosh']

    || [string equal [tk windowingsystem] 'aqua']} {

    .menubar.file add command -label [mc 'Quit'] \

    -command exit -accel Cmd-Q

    } else {

    .menubar.file add command -label [mc 'Exit'] \

    -underline 1 -command exit

    }

    menu .menubar.edit -tearoff 0

    .menubar.edit add command -label [mc 'Cut'] -underline 2 \

    -command { event generate .console <<Cut>> } -accel '$mod+X'

    .menubar.edit add command -label [mc 'Copy'] -underline 0 \

    -command { event generate .console <<Copy>> } -accel '$mod+C'

    .menubar.edit add command -label [mc 'Paste'] -underline 1 \

    -command { event generate .console <<Paste>> } -accel '$mod+V'

    if {[string compare $tcl_platform(platform) 'windows']} {

    .menubar.edit add command -label [mc 'Clear'] -underline 2 \

    -command { event generate .console <<Clear>> }

    } else {

    .menubar.edit add command -label [mc 'Delete'] -underline 0 \

    -command { event generate .console <<Clear>> } -accel 'Del'

    .menubar add cascade -label Help -menu .menubar.help -underline 0

    menu .menubar.help -tearoff 0

    .menubar.help add command -label [mc 'About...'] \

    -underline 0 -command tk::ConsoleAbout

    }

    . configure -menu .menubar

    set con [text .console -yscrollcommand [list .sb set] -setgrid true]

    scrollbar .sb -command [list $con yview]

    pack .sb -side right -fill both

    pack $con -fill both -expand 1 -side left

    switch -exact $tcl_platform(platform) {

    'macintosh' {

    $con configure -font {Monaco 9 normal} -highlightthickness 0

    }

    'windows' {

    $con configure -font systemfixed

    }

    'unix' {

    if {[string equal [tk windowingsystem] 'aqua']} {

    $con configure -font {Monaco 9 normal} -highlightthickness 0

    }

    }

    }

    #added for right click menu

    if {[catch {menu .cutPasteMenu -tearoff 0 -type normal} err]} { bgerror 'INIT: $err' }

    # .cutPasteMenu add command -label [mc 'Cut'] -underline 2 \

    # -command { event generate .console <<Cut>> } -accel '$mod+X'

    .cutPasteMenu add command -label [mc 'Copy'] -underline 0 \

    -command { event generate .console <<Copy>> } -accel '$mod+C'

    .cutPasteMenu add command -label [mc 'Paste'] -underline 1 \

    -command { event generate .console <<Paste>> } -accel '$mod+V'

    # .cutPasteMenu add command -label [mc 'Clear'] -underline 2 \

    # -command { event generate .console <<Clear>> }

    ConsoleBind $con

    $con tag configure stderr -foreground red

    $con tag configure stdin -foreground blue

    $con tag configure prompt -foreground \#8F4433

    $con tag configure proc -foreground \#008800

    $con tag configure var -background \#FFC0D0

    $con tag raise sel

    $con tag configure blink -background \#FFFF00

    $con tag configure find -background \#FFFF00

    focus $con

    # changed this so as not to leave a wish.exe left running

    wm protocol . WM_DELETE_WINDOW {

    if {[wm state .]=='normal'} {

    # destroy .

    exit

    } else {

    wm withdraw .

    }

    }

    wm title . [mc 'Console']

    flush stdout

    $con mark set output [$con index 'end - 1 char']

    tk::TextSetCursor $con end

    $con mark set promptEnd insert

    $con mark gravity promptEnd left

    # this is the binding that pops the menu

    # and additionally enables/disables the copy function

    # based on if you have selected any data

    bind all <Button-3> {

    .cutPasteMenu entryconfigure 0 -state normal

    if {[catch {%W get sel.first sel.last}]} {

    .cutPasteMenu entryconfigure 0 -state disabled

    }

    tk_popup .cutPasteMenu [winfo pointerx %W] [winfo pointery %W]

    }

    # A variant of ConsolePrompt to avoid a 'puts' call

    set w $con

    set temp [$w index 'end - 1 char']

    $w mark set output end

    if {![consoleinterp eval 'info exists tcl_prompt1']} {

    set string [EvalAttached $::tk::console::defaultPrompt]

    $w insert output $string stdout

    }

    $w mark set output $temp

    ::tk::TextSetCursor $w end

    $w mark set promptEnd insert

    $w mark gravity promptEnd left

    if {$tcl_platform(platform) eq 'windows'} {

    # Subtle work-around to erase the '% ' that tclMain.c prints out

    after idle [list $con delete 1.0 output]

    }

    }

    # ::tk::ConsoleSource --

    #

    # Prompts the user for a file to source in the main interpreter.

    #

    # Arguments:

    # None.

    proc ::tk::ConsoleSource {} {

    set filename [tk_getOpenFile -defaultextension .tcl -parent . \

    -title [mc 'Select a file to source'] \

    -filetypes [list \

    [list [mc 'Tcl Scripts'] .tcl] \

    [list [mc 'All Files'] *]]]

    if {[string compare $filename '']} {

    set cmd [list source $filename]

    if {[catch {consoleinterp eval $cmd} result]} {

    ConsoleOutput stderr '$result\n'

    }

    }

    }

    # ::tk::ConsoleInvoke --

    # Processes the command line input. If the command is complete it

    # is evaled in the main interpreter. Otherwise, the continuation

    # prompt is added and more input may be added.

    #

    # Arguments:

    # None.

    proc ::tk::ConsoleInvoke {args} {

    set ranges [.console tag ranges input]

    set cmd ''

    if {[llength $ranges]} {

    set pos 0

    while {[string compare [lindex $ranges $pos] '']} {

    set start [lindex $ranges $pos]

    set end [lindex $ranges [incr pos]]

    append cmd [.console get $start $end]

    incr pos

    }

    }

    if {[string equal $cmd '']} {

    ConsolePrompt

    } elseif {[info complete $cmd]} {

    .console mark set output end

    .console tag delete input

    set result [consoleinterp record $cmd]

    if {[string compare $result '']} {

    puts $result

    }

    ConsoleHistory reset

    ConsolePrompt

    } else {

    ConsolePrompt partial

    }

    .console yview -pickplace insert

    }

    # ::tk::ConsoleHistory --

    # This procedure implements command line history for the

    # console. In general is evals the history command in the

    # main interpreter to obtain the history. The variable

    # ::tk::HistNum is used to store the current location in the history.

    #

    # Arguments:

    # cmd - Which action to take: prev, next, reset.

    set ::tk::HistNum 1

    proc ::tk::ConsoleHistory {cmd} {

    variable HistNum

    switch $cmd {

    prev {

    incr HistNum -1

    if {$HistNum == 0} {

    set cmd {history event [expr {[history nextid] -1}]}

    } else {

    set cmd 'history event $HistNum'

    }

    if {[catch {consoleinterp eval $cmd} cmd]} {

    incr HistNum

    return

    }

    .console delete promptEnd end

    .console insert promptEnd $cmd {input stdin}

    }

    next {

    incr HistNum

    if {$HistNum == 0} {

    set cmd {history event [expr {[history nextid] -1}]}

    } elseif {$HistNum > 0} {

    set cmd ''

    set HistNum 1

    } else {

    set cmd 'history event $HistNum'

    }

    if {[string compare $cmd '']} {

    catch {consoleinterp eval $cmd} cmd

    }

    .console delete promptEnd end

    .console insert promptEnd $cmd {input stdin}

    }

    reset {

    set HistNum 1

    }

    }

    }

    # ::tk::ConsolePrompt --

    # This procedure draws the prompt. If tcl_prompt1 or tcl_prompt2

    # exists in the main interpreter it will be called to generate the

    # prompt. Otherwise, a hard coded default prompt is printed.

    #

    # Arguments:

    # partial - Flag to specify which prompt to print.

    proc ::tk::ConsolePrompt {{partial normal}} {

    set w .console

    if {[string equal $partial 'normal']} {

    set temp [$w index 'end - 1 char']

    $w mark set output end

    if {[consoleinterp eval 'info exists tcl_prompt1']} {

    consoleinterp eval 'eval \[set tcl_prompt1\]'

    } else {

    puts -nonewline [EvalAttached $::tk::console::defaultPrompt]

    }

    } else {

    set temp [$w index output]

    $w mark set output end

    if {[consoleinterp eval 'info exists tcl_prompt2']} {

    consoleinterp eval 'eval \[set tcl_prompt2\]'

    } else {

    puts -nonewline '> '

    }

    }

    flush stdout

    $w mark set output $temp

    ::tk::TextSetCursor $w end

    $w mark set promptEnd insert

    $w mark gravity promptEnd left

    ::tk::console::ConstrainBuffer $w $::tk::console::maxLines

    $w see end

    }

    # ::tk::ConsoleBind --

    # This procedure first ensures that the default bindings for the Text

    # class have been defined. Then certain bindings are overridden for

    # the class.

    #

    # Arguments:

    # None.

    proc ::tk::ConsoleBind {w} {

    bindtags $w [list $w Console PostConsole [winfo toplevel $w] all]

    ## Get all Text bindings into Console

    foreach ev [bind Text] { bind Console $ev [bind Text $ev] }

    ## We really didn't want the newline insertion...

    bind Console <Control-Key-o> {}

    ## ...or any Control-v binding (would block <<Paste>>)

    bind Console <Control-Key-v> {}

    # For the moment, transpose isn't enabled until the console

    # gets and overhaul of how it handles input -- hobbs

    bind Console <Control-Key-t> {}

    # Ignore all Alt, Meta, and Control keypresses unless explicitly bound.

    # Otherwise, if a widget binding for one of these is defined, the

    bind Console <Alt-KeyPress> {# nothing }

    bind Console <Meta-KeyPress> {# nothing}

    bind Console <Control-KeyPress> {# nothing}

    foreach {ev key} {

    <<Console_Prev>> <Key-Up>

    <<Console_Next>> <Key-Down>

    <<Console_NextImmediate>> <Control-Key-n>

    <<Console_PrevImmediate>> <Control-Key-p>

    <<Console_PrevSearch>> <Control-Key-r>

    <<Console_NextSearch>> <Control-Key-s>

    <<Console_Expand>> <Key-Tab>

    <<Console_Expand>> <Key-Escape>

    <<Console_ExpandFile>> <Control-Shift-Key-F>

    <<Console_ExpandProc>> <Control-Shift-Key-P>

    <<Console_ExpandVar>> <Control-Shift-Key-V>

    <<Console_Tab>> <Control-Key-i>

    <<Console_Tab>> <Meta-Key-i>

    <<Console_Eval>> <Key-Return>

    <<Console_Eval>> <Key-KP_Enter>

    <<Console_Clear>> <Control-Key-l>

    <<Console_KillLine>> <Control-Key-k>

    <<Console_Transpose>> <Control-Key-t>

    <<Console_ClearLine>> <Control-Key-u>

    <<Console_SaveCommand>> <Control-Key-z>

    } {

    event add $ev $key

    bind Console $key {}

    }

    bind Console <<Console_Expand>> {

    if {[%W compare insert > promptEnd]} {::tk::console::Expand %W}

    }

    bind Console <<Console_ExpandFile>> {

    if {[%W compare insert > promptEnd]} {::tk::console::Expand %W path}

    }

    bind Console <<Console_ExpandProc>> {

    if {[%W compare insert > promptEnd]} {::tk::console::Expand %W proc}

    }

    bind Console <<Console_ExpandVar>> {

    if {[%W compare insert > promptEnd]} {::tk::console::Expand %W var}

    }

    bind Console <<Console_Eval>> {

    %W mark set insert {end - 1c}

    tk::ConsoleInsert %W '\n'

    tk::ConsoleInvoke

    break

    }

    bind Console <Delete> {

    if {[string compare {} [%W tag nextrange sel 1.0 end]] \

    && [%W compare sel.first >= promptEnd]} {

    %W delete sel.first sel.last

    } elseif {[%W compare insert >= promptEnd]} {

    %W delete insert

    %W see insert

    }

    }

    bind Console <BackSpace> {

    if {[string compare {} [%W tag nextrange sel 1.0 end]] \

    && [%W compare sel.first >= promptEnd]} {

    %W delete sel.first sel.last

    } elseif {[%W compare insert != 1.0] && \

    [%W compare insert > promptEnd]} {

    %W delete insert-1c

    %W see insert

    }

    }

    bind Console <Control-h> [bind Console <BackSpace>]

    bind Console <Home> {

    if {[%W compare insert < promptEnd]} {

    tk::TextSetCursor %W {insert linestart}

    } else {

    tk::TextSetCursor %W promptEnd

    }

    }

    bind Console <Control-a> [bind Console <Home>]

    bind Console <End> {

    tk::TextSetCursor %W {insert lineend}

    }

    bind Console <Control-e> [bind Console <End>]

    bind Console <Control-d> {

    if {[%W compare insert < promptEnd]} break

    %W delete insert

    }

    bind Console <<Console_KillLine>> {

    if {[%W compare insert < promptEnd]} break

    if {[%W compare insert == {insert lineend}]} {

    %W delete insert

    } else {

    %W delete insert {insert lineend}

    }

    }

    bind Console <<Console_Clear>> {

    ## Clear console display

    %W delete 1.0 'promptEnd linestart'

    }

    bind Console <<Console_ClearLine>> {

    ## Clear command line (Unix shell staple)

    %W delete promptEnd end

    }

    bind Console <Meta-d> {

    if {[%W compare insert >= promptEnd]} {

    %W delete insert {insert wordend}

    }

    }

    bind Console <Meta-BackSpace> {

    if {[%W compare {insert -1c wordstart} >= promptEnd]} {

    %W delete {insert -1c wordstart} insert

    }

    }

    bind Console <Meta-d> {

    if {[%W compare insert >= promptEnd]} {

    %W delete insert {insert wordend}

    }

    }

    bind Console <Meta-BackSpace> {

    if {[%W compare {insert -1c wordstart} >= promptEnd]} {

    %W delete {insert -1c wordstart} insert

    }

    }

    bind Console <Meta-Delete> {

    if {[%W compare insert >= promptEnd]} {

    %W delete insert {insert wordend}

    }

    }

    bind Console <<Console_Prev>> {

    tk::ConsoleHistory prev

    }

    bind Console <<Console_Next>> {

    tk::ConsoleHistory next

    }

    bind Console <Insert> {

    catch {tk::ConsoleInsert %W [::tk::GetSelection %W PRIMARY]}

    }

    bind Console <KeyPress> {

    tk::ConsoleInsert %W %A

    }

    bind Console <F9> {

    eval destroy [winfo child .]

    if {[string equal $tcl_platform(platform) 'macintosh']} {

    if {[catch {source [file join $tk_library console.tcl]}]} {source -rsrc console}

    } else {

    source [file join $tk_library console.tcl]

    }

    }

    if {[string equal $::tcl_platform(platform) 'macintosh']

    || [string equal [tk windowingsystem] 'aqua']} {

    bind Console <Command-q> {

    exit

    }

    }

    bind Console <<Cut>> {

    # Same as the copy event

    clipboard clear -displayof %W

    if {![catch {set data [%W get sel.first sel.last]}]} {

    clipboard append -displayof %W $data

    }

    }

    bind Console <<Copy>> {

    clipboard clear -displayof %W

    if {![catch {set data [%W get sel.first sel.last]}]} {

    clipboard append -displayof %W $data

    }

    }

    bind Console <<Paste>> {

    catch {

    set clip [::tk::GetSelection %W CLIPBOARD]

    set list [split $clip \n\r]

    tk::ConsoleInsert %W [lindex $list 0]

    foreach x [lrange $list 1 end] {

    %W mark set insert {end - 1c}

    tk::ConsoleInsert %W '\n'

    tk::ConsoleInvoke

    tk::ConsoleInsert %W $x

    }

    }

    }

    ##

    ## Bindings for doing special things based on certain keys

    ##

    bind PostConsole <Key-parenright> {

    if {[string compare \\ [%W get insert-2c]]} {

    ::tk::console::MatchPair %W \( \) promptEnd

    }

    }

    bind PostConsole <Key-bracketright> {

    if {[string compare \\ [%W get insert-2c]]} {

    ::tk::console::MatchPair %W \[ \] promptEnd

    }

    }

    bind PostConsole <Key-braceright> {

    if {[string compare \\ [%W get insert-2c]]} {

    ::tk::console::MatchPair %W \{ \} promptEnd

    }

    }

    bind PostConsole <Key-quotedbl> {

    if {[string compare \\ [%W get insert-2c]]} {

    ::tk::console::MatchQuote %W promptEnd

    }

    }

    bind PostConsole <KeyPress> {

    if {'%A' != ''} {

    ::tk::console::TagProc %W

    }

    break

    }

    }

    # ::tk::ConsoleInsert --

    # Insert a string into a text at the point of the insertion cursor.

    # If there is a selection in the text, and it covers the point of the

    # insertion cursor, then delete the selection before inserting. Insertion

    # is restricted to the prompt area.

    #

    # Arguments:

    # w - The text window in which to insert the string

    # s - The string to insert (usually just a single character)

    proc ::tk::ConsoleInsert {w s} {

    if {[string equal $s '']} {

    return

    }

    catch {

    if {[$w compare sel.first <= insert]

    && [$w compare sel.last >= insert]} {

    $w tag remove sel sel.first promptEnd

    $w delete sel.first sel.last

    }

    }

    if {[$w compare insert < promptEnd]} {

    $w mark set insert end

    }

    $w insert insert $s {input stdin}

    $w see insert

    }

    # ::tk::ConsoleOutput --

    #

    # This routine is called directly by ConsolePutsCmd to cause a string

    # to be displayed in the console.

    #

    # Arguments:

    # dest - The output tag to be used: either 'stderr' or 'stdout'.

    # string - The string to be displayed.

    proc ::tk::ConsoleOutput {dest string} {

    set w .console

    $w insert output $string $dest

    ::tk::console::ConstrainBuffer $w $::tk::console::maxLines

    $w see insert

    }

    # ::tk::ConsoleExit --

    #

    # This routine is called by ConsoleEventProc when the main window of

    # the application is destroyed. Don't call exit - that probably already

    # happened. Just delete our window.

    #

    # Arguments:

    # None.

    proc ::tk::ConsoleExit {} {

    destroy .

    }

    # ::tk::ConsoleAbout --

    #

    # This routine displays an About box to show Tcl/Tk version info.

    #

    # Arguments:

    # None.

    proc ::tk::ConsoleAbout {} {

    tk_messageBox -type ok -message '[mc {Tcl for Windows}]

    Tcl $::tcl_patchLevel

    Tk $::tk_patchLevel'

    }

    # ::tk::console::TagProc --

    #

    # Tags a procedure in the console if it's recognized

    # This procedure is not perfect. However, making it perfect wastes

    # too much CPU time...

    #

    # Arguments:

    # w - console text widget

    proc ::tk::console::TagProc w {

    if {!$::tk::console::magicKeys} { return }

    set exp '\[^\\\\\]\[\[ \t\n\r\;{}\'\$\]'

    set i [$w search -backwards -regexp $exp insert-1c promptEnd-1c]

    if {$i == ''} {set i promptEnd} else {append i +2c}

    regsub -all '\[\[\\\\\\?\\*\]' [$w get $i 'insert-1c wordend'] {\\\0} c

    if {[llength [EvalAttached [list info commands $c]]]} {

    $w tag add proc $i 'insert-1c wordend'

    } else {

    $w tag remove proc $i 'insert-1c wordend'

    }

    if {[llength [EvalAttached [list info vars $c]]]} {

    $w tag add var $i 'insert-1c wordend'

    } else {

    $w tag remove var $i 'insert-1c wordend'

    }

    }

    # ::tk::console::MatchPair --

    #

    # Blinks a matching pair of characters

    # c2 is assumed to be at the text index 'insert'.

    # This proc is really loopy and took me an hour to figure out given

    # all possible combinations with escaping except for escaped \'s.

    # It doesn't take into account possible commenting... Oh well. If

    # anyone has something better, I'd like to see/use it. This is really

    # only efficient for small contexts.

    #

    # Arguments:

    # w - console text widget

    # c1 - first char of pair

    # c2 - second char of pair

    #

    # Calls: ::tk::console::Blink

    proc ::tk::console::MatchPair {w c1 c2 {lim 1.0}} {

    if {!$::tk::console::magicKeys} { return }

    if {[string compare {} [set ix [$w search -back $c1 insert $lim]]]} {

    while {

    [string match {\\} [$w get $ix-1c]] &&

    [string compare {} [set ix [$w search -back $c1 $ix-1c $lim]]]

    } {}

    set i1 insert-1c

    while {[string compare {} $ix]} {

    set i0 $ix

    set j 0

    while {[string compare {} [set i0 [$w search $c2 $i0 $i1]]]} {

    append i0 +1c

    if {[string match {\\} [$w get $i0-2c]]} continue

    incr j

    }

    if {!$j} break

    set i1 $ix

    while {$j && [string compare {} \

    [set ix [$w search -back $c1 $ix $lim]]]} {

    if {[string match {\\} [$w get $ix-1c]]} continue

    incr j -1

    }

    }

    if {[string match {} $ix]} { set ix [$w index $lim] }

    } else { set ix [$w index $lim] }

    if {$::tk::console::blinkRange} {

    Blink $w $ix [$w index insert]

    } else {

    Blink $w $ix $ix+1c [$w index insert-1c] [$w index insert]

    }

    }

    # ::tk::console::MatchQuote --

    #

    # Blinks between matching quotes.

    # Blinks just the quote if it's unmatched, otherwise blinks quoted string

    # The quote to match is assumed to be at the text index 'insert'.

    #

    # Arguments:

    # w - console text widget

    #

    # Calls: ::tk::console::Blink

    proc ::tk::console::MatchQuote {w {lim 1.0}} {

    if {!$::tk::console::magicKeys} { return }

    set i insert-1c

    set j 0

    while {[string compare [set i [$w search -back \' $i $lim]] {}]} {

    if {[string match {\\} [$w get $i-1c]]} continue

    if {!$j} {set i0 $i}

    incr j

    }

    if {$j&1} {

    if {$::tk::console::blinkRange} {

    Blink $w $i0 [$w index insert]

    } else {

    Blink $w $i0 $i0+1c [$w index insert-1c] [$w index insert]

    }

    } else {

    Blink $w [$w index insert-1c] [$w index insert]

    }

    }

    # ::tk::console::Blink --

    #

    # Blinks between n index pairs for a specified duration.

    #

    # Arguments:

    # w - console text widget

    # i1 - start index to blink region

    # i2 - end index of blink region

    # dur - duration in usecs to blink for

    #

    # Outputs:

    # blinks selected characters in $w

    proc ::tk::console::Blink {w args} {

    eval [list $w tag add blink] $args

    after $::tk::console::blinkTime [list $w] tag remove blink $args

    }

    # ::tk::console::ConstrainBuffer --

    #

    # This limits the amount of data in the text widget

    # Called by Prompt and ConsoleOutput

    #

    # Arguments:

    # w - console text widget

    # size - # of lines to constrain to

    #

    # Outputs:

    # may delete data in console widget

    proc ::tk::console::ConstrainBuffer {w size} {

    if {[$w index end] > $size} {

    $w delete 1.0 [expr {int([$w index end])-$size}].0

    }

    }

    # ::tk::console::Expand --

    #

    # Arguments:

    # ARGS: w - text widget in which to expand str

    # type - type of expansion (path / proc / variable)

    #

    # Calls: ::tk::console::Expand(Pathname|Procname|Variable)

    #

    # Outputs: The string to match is expanded to the longest possible match.

    # If ::tk::console::showMatches is non-zero and the longest match

    # equaled the string to expand, then all possible matches are

    # output to stdout. Triggers bell if no matches are found.

    #

    # Returns: number of matches found

    proc ::tk::console::Expand {w {type ''}} {

    set exp '\[^\\\\\]\[\[ \t\n\r\\\{\'\\\\\$\]'

    set tmp [$w search -backwards -regexp $exp insert-1c promptEnd-1c]

    if {$tmp == ''} {set tmp promptEnd} else {append tmp +2c}

    if {[$w compare $tmp >= insert]} { return }

    set str [$w get $tmp insert]

    switch -glob $type {

    path* { set res [ExpandPathname $str] }

    proc* { set res [ExpandProcname $str] }

    var* { set res [ExpandVariable $str] }

    default {

    set res {}

    foreach t {Pathname Procname Variable} {

    if {![catch {Expand$t $str} res] && ($res != '')} { break }

    }

    }

    }

    set len [llength $res]

    if {$len} {

    set repl [lindex $res 0]

    $w delete $tmp insert

    $w insert $tmp $repl {input stdin}

    if {($len > 1) && $::tk::console::showMatches \

    && [string equal $repl $str]} {

    puts stdout [lsort [lreplace $res 0 0]]

    }

    } else { bell }

    return [incr len -1]

    }

    # ::tk::console::ExpandPathname --

    #

    # Expand a file pathname based on $str

    # This is based on UNIX file name conventions

    #

    # Arguments:

    # str - partial file pathname to expand

    #

    # Calls: ::tk::console::ExpandBestMatch

    #

    # Returns: list containing longest unique match followed by all the

    # possible further matche

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