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File Content: `init.tcl`

# init.tcl --
#
# Default system startup file for Tcl-based applications.  Defines
# "unknown" procedure and auto-load facilities.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 Scriptics Corporation.
# Copyright (c) 2004 Kevin B. Kenny.  All rights reserved.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#

# This test intentionally written in pre-7.5 Tcl
if {[info commands package] == ""} {
    error "version mismatch: library\nscripts expect Tcl version 7.5b1 or later but the loaded version is\nonly [info patchlevel]"
}
package require -exact Tcl 8.6.12

# Compute the auto path to use in this interpreter.
# The values on the path come from several locations:
#
# The environment variable TCLLIBPATH
#
# tcl_library, which is the directory containing this init.tcl script.
# [tclInit] (Tcl_Init()) searches around for the directory containing this
# init.tcl and defines tcl_library to that location before sourcing it.
#
# The parent directory of tcl_library. Adding the parent
# means that packages in peer directories will be found automatically.
#
# Also add the directory ../lib relative to the directory where the
# executable is located.  This is meant to find binary packages for the
# same architecture as the current executable.
#
# tcl_pkgPath, which is set by the platform-specific initialization routines
#	On UNIX it is compiled in
#       On Windows, it is not used
#
# (Ticket 41c9857bdd) In a safe interpreter, this file does not set
# ::auto_path (other than to {} if it is undefined). The caller, typically
# a Safe Base command, is responsible for setting ::auto_path.

if {![info exists auto_path]} {
    if {[info exists env(TCLLIBPATH)] && (![interp issafe])} {
	set auto_path $env(TCLLIBPATH)
    } else {
	set auto_path ""
    }
}
namespace eval tcl {
    if {![interp issafe]} {
	variable Dir
	foreach Dir [list $::tcl_library [file dirname $::tcl_library]] {
	    if {$Dir ni $::auto_path} {
		lappend ::auto_path $Dir
	    }
	}
	set Dir [file join [file dirname [file dirname \
		[info nameofexecutable]]] lib]
	if {$Dir ni $::auto_path} {
	    lappend ::auto_path $Dir
	}
	if {[info exists ::tcl_pkgPath]} { catch {
	    foreach Dir $::tcl_pkgPath {
		if {$Dir ni $::auto_path} {
		    lappend ::auto_path $Dir
		}
	    }
	}}

	variable Path [encoding dirs]
	set Dir [file join $::tcl_library encoding]
	if {$Dir ni $Path} {
	    lappend Path $Dir
	    encoding dirs $Path
	}
	unset Dir Path
    }

    # TIP #255 min and max functions
    namespace eval mathfunc {
	proc min {args} {
	    if {![llength $args]} {
		return -code error \
		    "not enough arguments to math function \"min\""
	    }
	    set val Inf
	    foreach arg $args {
		# This will handle forcing the numeric value without
		# ruining the internal type of a numeric object
		if {[catch {expr {double($arg)}} err]} {
		    return -code error $err
		}
		if {$arg < $val} {set val $arg}
	    }
	    return $val
	}
	proc max {args} {
	    if {![llength $args]} {
		return -code error \
		    "not enough arguments to math function \"max\""
	    }
	    set val -Inf
	    foreach arg $args {
		# This will handle forcing the numeric value without
		# ruining the internal type of a numeric object
		if {[catch {expr {double($arg)}} err]} {
		    return -code error $err
		}
		if {$arg > $val} {set val $arg}
	    }
	    return $val
	}
	namespace export min max
    }
}

# Windows specific end of initialization

if {(![interp issafe]) && ($tcl_platform(platform) eq "windows")} {
    namespace eval tcl {
	proc EnvTraceProc {lo n1 n2 op} {
	    global env
	    set x $env($n2)
	    set env($lo) $x
	    set env([string toupper $lo]) $x
	}
	proc InitWinEnv {} {
	    global env tcl_platform
	    foreach p [array names env] {
		set u [string toupper $p]
		if {$u ne $p} {
		    switch -- $u {
			COMSPEC -
			PATH {
			    set temp $env($p)
			    unset env($p)
			    set env($u) $temp
			    trace add variable env($p) write \
				    [namespace code [list EnvTraceProc $p]]
			    trace add variable env($u) write \
				    [namespace code [list EnvTraceProc $p]]
			}
		    }
		}
	    }
	    if {![info exists env(COMSPEC)]} {
		set env(COMSPEC) cmd.exe
	    }
	}
	InitWinEnv
    }
}

# Setup the unknown package handler


if {[interp issafe]} {
    package unknown {::tcl::tm::UnknownHandler ::tclPkgUnknown}
} else {
    # Set up search for Tcl Modules (TIP #189).
    # and setup platform specific unknown package handlers
    if {$tcl_platform(os) eq "Darwin"
	    && $tcl_platform(platform) eq "unix"} {
	package unknown {::tcl::tm::UnknownHandler \
		{::tcl::MacOSXPkgUnknown ::tclPkgUnknown}}
    } else {
	package unknown {::tcl::tm::UnknownHandler ::tclPkgUnknown}
    }

    # Set up the 'clock' ensemble

    namespace eval ::tcl::clock [list variable TclLibDir $::tcl_library]

    proc ::tcl::initClock {} {
	# Auto-loading stubs for 'clock.tcl'

	foreach cmd {add format scan} {
	    proc ::tcl::clock::$cmd args {
		variable TclLibDir
		source -encoding utf-8 [file join $TclLibDir clock.tcl]
		return [uplevel 1 [info level 0]]
	    }
	}

	rename ::tcl::initClock {}
    }
    ::tcl::initClock
}

# Conditionalize for presence of exec.

if {[namespace which -command exec] eq ""} {

    # Some machines do not have exec. Also, on all
    # platforms, safe interpreters do not have exec.

    set auto_noexec 1
}

# Define a log command (which can be overwitten to log errors
# differently, specially when stderr is not available)

if {[namespace which -command tclLog] eq ""} {
    proc tclLog {string} {
	catch {puts stderr $string}
    }
}

# unknown --
# This procedure is called when a Tcl command is invoked that doesn't
# exist in the interpreter.  It takes the following steps to make the
# command available:
#
#	1. See if the autoload facility can locate the command in a
#	   Tcl script file.  If so, load it and execute it.
#	2. If the command was invoked interactively at top-level:
#	    (a) see if the command exists as an executable UNIX program.
#		If so, "exec" the command.
#	    (b) see if the command requests csh-like history substitution
#		in one of the common forms !!, !<number>, or ^old^new.  If
#		so, emulate csh's history substitution.
#	    (c) see if the command is a unique abbreviation for another
#		command.  If so, invoke the command.
#
# Arguments:
# args -	A list whose elements are the words of the original
#		command, including the command name.

proc unknown args {
    variable ::tcl::UnknownPending
    global auto_noexec auto_noload env tcl_interactive errorInfo errorCode

    if {[info exists errorInfo]} {
	set savedErrorInfo $errorInfo
    }
    if {[info exists errorCode]} {
	set savedErrorCode $errorCode
    }

    set name [lindex $args 0]
    if {![info exists auto_noload]} {
	#
	# Make sure we're not trying to load the same proc twice.
	#
	if {[info exists UnknownPending($name)]} {
	    return -code error "self-referential recursion\
		    in \"unknown\" for command \"$name\""
	}
	set UnknownPending($name) pending
	set ret [catch {
		auto_load $name [uplevel 1 {::namespace current}]
	} msg opts]
	unset UnknownPending($name)
	if {$ret != 0} {
	    dict append opts -errorinfo "\n    (autoloading \"$name\")"
	    return -options $opts $msg
	}
	if {![array size UnknownPending]} {
	    unset UnknownPending
	}
	if {$msg} {
	    if {[info exists savedErrorCode]} {
		set ::errorCode $savedErrorCode
	    } else {
		unset -nocomplain ::errorCode
	    }
	    if {[info exists savedErrorInfo]} {
		set errorInfo $savedErrorInfo
	    } else {
		unset -nocomplain errorInfo
	    }
	    set code [catch {uplevel 1 $args} msg opts]
	    if {$code ==  1} {
		#
		# Compute stack trace contribution from the [uplevel].
		# Note the dependence on how Tcl_AddErrorInfo, etc.
		# construct the stack trace.
		#
		set errInfo [dict get $opts -errorinfo]
		set errCode [dict get $opts -errorcode]
		set cinfo $args
		if {[string bytelength $cinfo] > 150} {
		    set cinfo [string range $cinfo 0 150]
		    while {[string bytelength $cinfo] > 150} {
			set cinfo [string range $cinfo 0 end-1]
		    }
		    append cinfo ...
		}
		set tail "\n    (\"uplevel\" body line 1)\n    invoked\
			from within\n\"uplevel 1 \$args\""
		set expect "$msg\n    while executing\n\"$cinfo\"$tail"
		if {$errInfo eq $expect} {
		    #
		    # The stack has only the eval from the expanded command
		    # Do not generate any stack trace here.
		    #
		    dict unset opts -errorinfo
		    dict incr opts -level
		    return -options $opts $msg
		}
		#
		# Stack trace is nested, trim off just the contribution
		# from the extra "eval" of $args due to the "catch" above.
		#
		set last [string last $tail $errInfo]
		if {$last + [string length $tail] != [string length $errInfo]} {
		    # Very likely cannot happen
		    return -options $opts $msg
		}
		set errInfo [string range $errInfo 0 $last-1]
		set tail "\"$cinfo\""
		set last [string last $tail $errInfo]
		if {$last < 0 || $last + [string length $tail] != [string length $errInfo]} {
		    return -code error -errorcode $errCode \
			    -errorinfo $errInfo $msg
		}
		set errInfo [string range $errInfo 0 $last-1]
		set tail "\n    invoked from within\n"
		set last [string last $tail $errInfo]
		if {$last + [string length $tail] == [string length $errInfo]} {
		    return -code error -errorcode $errCode \
			    -errorinfo [string range $errInfo 0 $last-1] $msg
		}
		set tail "\n    while executing\n"
		set last [string last $tail $errInfo]
		if {$last + [string length $tail] == [string length $errInfo]} {
		    return -code error -errorcode $errCode \
			    -errorinfo [string range $errInfo 0 $last-1] $msg
		}
		return -options $opts $msg
	    } else {
		dict incr opts -level
		return -options $opts $msg
	    }
	}
    }

    if {([info level] == 1) && ([info script] eq "")
	    && [info exists tcl_interactive] && $tcl_interactive} {
	if {![info exists auto_noexec]} {
	    set new [auto_execok $name]
	    if {$new ne ""} {
		set redir ""
		if {[namespace which -command console] eq ""} {
		    set redir ">&@stdout <@stdin"
		}
		uplevel 1 [list ::catch \
			[concat exec $redir $new [lrange $args 1 end]] \
			::tcl::UnknownResult ::tcl::UnknownOptions]
		dict incr ::tcl::UnknownOptions -level
		return -options $::tcl::UnknownOptions $::tcl::UnknownResult
	    }
	}
	if {$name eq "!!"} {
	    set newcmd [history event]
	} elseif {[regexp {^!(.+)$} $name -> event]} {
	    set newcmd [history event $event]
	} elseif {[regexp {^\^([^^]*)\^([^^]*)\^?$} $name -> old new]} {
	    set newcmd [history event -1]
	    catch {regsub -all -- $old $newcmd $new newcmd}
	}
	if {[info exists newcmd]} {
	    tclLog $newcmd
	    history change $newcmd 0
	    uplevel 1 [list ::catch $newcmd \
		    ::tcl::UnknownResult ::tcl::UnknownOptions]
	    dict incr ::tcl::UnknownOptions -level
	    return -options $::tcl::UnknownOptions $::tcl::UnknownResult
	}

	set ret [catch {set candidates [info commands $name*]} msg]
	if {$name eq "::"} {
	    set name ""
	}
	if {$ret != 0} {
	    dict append opts -errorinfo \
		    "\n    (expanding command prefix \"$name\" in unknown)"
	    return -options $opts $msg
	}
	# Filter out bogus matches when $name contained
	# a glob-special char [Bug 946952]
	if {$name eq ""} {
	    # Handle empty $name separately due to strangeness
	    # in [string first] (See RFE 1243354)
	    set cmds $candidates
	} else {
	    set cmds [list]
	    foreach x $candidates {
		if {[string first $name $x] == 0} {
		    lappend cmds $x
		}
	    }
	}
	if {[llength $cmds] == 1} {
	    uplevel 1 [list ::catch [lreplace $args 0 0 [lindex $cmds 0]] \
		    ::tcl::UnknownResult ::tcl::UnknownOptions]
	    dict incr ::tcl::UnknownOptions -level
	    return -options $::tcl::UnknownOptions $::tcl::UnknownResult
	}
	if {[llength $cmds]} {
	    return -code error "ambiguous command name \"$name\": [lsort $cmds]"
	}
    }
    return -code error -errorcode [list TCL LOOKUP COMMAND $name] \
	"invalid command name \"$name\""
}

# auto_load --
# Checks a collection of library directories to see if a procedure
# is defined in one of them.  If so, it sources the appropriate
# library file to create the procedure.  Returns 1 if it successfully
# loaded the procedure, 0 otherwise.
#
# Arguments:
# cmd -			Name of the command to find and load.
# namespace (optional)  The namespace where the command is being used - must be
#                       a canonical namespace as returned [namespace current]
#                       for instance. If not given, namespace current is used.

proc auto_load {cmd {namespace {}}} {
    global auto_index auto_path

    if {$namespace eq ""} {
	set namespace [uplevel 1 [list ::namespace current]]
    }
    set nameList [auto_qualify $cmd $namespace]
    # workaround non canonical auto_index entries that might be around
    # from older auto_mkindex versions
    lappend nameList $cmd
    foreach name $nameList {
	if {[info exists auto_index($name)]} {
	    namespace eval :: $auto_index($name)
	    # There's a couple of ways to look for a command of a given
	    # name.  One is to use
	    #    info commands $name
	    # Unfortunately, if the name has glob-magic chars in it like *
	    # or [], it may not match.  For our purposes here, a better
	    # route is to use
	    #    namespace which -command $name
	    if {[namespace which -command $name] ne ""} {
		return 1
	    }
	}
    }
    if {![info exists auto_path]} {
	return 0
    }

    if {![auto_load_index]} {
	return 0
    }
    foreach name $nameList {
	if {[info exists auto_index($name)]} {
	    namespace eval :: $auto_index($name)
	    if {[namespace which -command $name] ne ""} {
		return 1
	    }
	}
    }
    return 0
}

# auto_load_index --
# Loads the contents of tclIndex files on the auto_path directory
# list.  This is usually invoked within auto_load to load the index
# of available commands.  Returns 1 if the index is loaded, and 0 if
# the index is already loaded and up to date.
#
# Arguments:
# None.

proc auto_load_index {} {
    variable ::tcl::auto_oldpath
    global auto_index auto_path

    if {[info exists auto_oldpath] && ($auto_oldpath eq $auto_path)} {
	return 0
    }
    set auto_oldpath $auto_path

    # Check if we are a safe interpreter. In that case, we support only
    # newer format tclIndex files.

    set issafe [interp issafe]
    for {set i [expr {[llength $auto_path] - 1}]} {$i >= 0} {incr i -1} {
	set dir [lindex $auto_path $i]
	set f ""
	if {$issafe} {
	    catch {source [file join $dir tclIndex]}
	} elseif {[catch {set f [open [file join $dir tclIndex]]}]} {
	    continue
	} else {
	    set error [catch {
		fconfigure $f -eofchar "\032 {}"
		set id [gets $f]
		if {$id eq "# Tcl autoload index file, version 2.0"} {
		    eval [read $f]
		} elseif {$id eq "# Tcl autoload index file: each line identifies a Tcl"} {
		    while {[gets $f line] >= 0} {
			if {([string index $line 0] eq "#") \
				|| ([llength $line] != 2)} {
			    continue
			}
			set name [lindex $line 0]
			set auto_index($name) \
				"source [file join $dir [lindex $line 1]]"
		    }
		} else {
		    error "[file join $dir tclIndex] isn't a proper Tcl index file"
		}
	    } msg opts]
	    if {$f ne ""} {
		close $f
	    }
	    if {$error} {
		return -options $opts $msg
	    }
	}
    }
    return 1
}

# auto_qualify --
#
# Compute a fully qualified names list for use in the auto_index array.
# For historical reasons, commands in the global namespace do not have leading
# :: in the index key. The list has two elements when the command name is
# relative (no leading ::) and the namespace is not the global one. Otherwise
# only one name is returned (and searched in the auto_index).
#
# Arguments -
# cmd		The command name. Can be any name accepted for command
#               invocations (Like "foo::::bar").
# namespace	The namespace where the command is being used - must be
#               a canonical namespace as returned by [namespace current]
#               for instance.

proc auto_qualify {cmd namespace} {

    # count separators and clean them up
    # (making sure that foo:::::bar will be treated as foo::bar)
    set n [regsub -all {::+} $cmd :: cmd]

    # Ignore namespace if the name starts with ::
    # Handle special case of only leading ::

    # Before each return case we give an example of which category it is
    # with the following form :
    # (inputCmd, inputNameSpace) -> output

    if {[string match ::* $cmd]} {
	if {$n > 1} {
	    # (::foo::bar , *) -> ::foo::bar
	    return [list $cmd]
	} else {
	    # (::global , *) -> global
	    return [list [string range $cmd 2 end]]
	}
    }

    # Potentially returning 2 elements to try  :
    # (if the current namespace is not the global one)

    if {$n == 0} {
	if {$namespace eq "::"} {
	    # (nocolons , ::) -> nocolons
	    return [list $cmd]
	} else {
	    # (nocolons , ::sub) -> ::sub::nocolons nocolons
	    return [list ${namespace}::$cmd $cmd]
	}
    } elseif {$namespace eq "::"} {
	#  (foo::bar , ::) -> ::foo::bar
	return [list ::$cmd]
    } else {
	# (foo::bar , ::sub) -> ::sub::foo::bar ::foo::bar
	return [list ${namespace}::$cmd ::$cmd]
    }
}

# auto_import --
#
# Invoked during "namespace import" to make see if the imported commands
# reside in an autoloaded library.  If so, the commands are loaded so
# that they will be available for the import links.  If not, then this
# procedure does nothing.
#
# Arguments -
# pattern	The pattern of commands being imported (like "foo::*")
#               a canonical namespace as returned by [namespace current]

proc auto_import {pattern} {
    global auto_index

    # If no namespace is specified, this will be an error case

    if {![string match *::* $pattern]} {
	return
    }

    set ns [uplevel 1 [list ::namespace current]]
    set patternList [auto_qualify $pattern $ns]

    auto_load_index

    foreach pattern $patternList {
        foreach name [array names auto_index $pattern] {
            if {([namespace which -command $name] eq "")
		    && ([namespace qualifiers $pattern] eq [namespace qualifiers $name])} {
                namespace eval :: $auto_index($name)
            }
        }
    }
}

# auto_execok --
#
# Returns string that indicates name of program to execute if
# name corresponds to a shell builtin or an executable in the
# Windows search path, or "" otherwise.  Builds an associative
# array auto_execs that caches information about previous checks,
# for speed.
#
# Arguments:
# name -			Name of a command.

if {$tcl_platform(platform) eq "windows"} {
# Windows version.
#
# Note that file executable doesn't work under Windows, so we have to
# look for files with .exe, .com, or .bat extensions.  Also, the path
# may be in the Path or PATH environment variables, and path
# components are separated with semicolons, not colons as under Unix.
#
proc auto_execok name {
    global auto_execs env tcl_platform

    if {[info exists auto_execs($name)]} {
	return $auto_execs($name)
    }
    set auto_execs($name) ""

    set shellBuiltins [list assoc cls copy date del dir echo erase exit ftype \
	    md mkdir mklink move rd ren rename rmdir start time type ver vol]
    if {[info exists env(PATHEXT)]} {
	# Add an initial ; to have the {} extension check first.
	set execExtensions [split ";$env(PATHEXT)" ";"]
    } else {
	set execExtensions [list {} .com .exe .bat .cmd]
    }

    if {[string tolower $name] in $shellBuiltins} {
	# When this is command.com for some reason on Win2K, Tcl won't
	# exec it unless the case is right, which this corrects.  COMSPEC
	# may not point to a real file, so do the check.
	set cmd $env(COMSPEC)
	if {[file exists $cmd]} {
	    set cmd [file attributes $cmd -shortname]
	}
	return [set auto_execs($name) [list $cmd /c $name]]
    }

    if {[llength [file split $name]] != 1} {
	foreach ext $execExtensions {
	    set file ${name}${ext}
	    if {[file exists $file] && ![file isdirectory $file]} {
		return [set auto_execs($name) [list $file]]
	    }
	}
	return ""
    }

    set path "[file dirname [info nameof]];.;"
    if {[info exists env(SystemRoot)]} {
	set windir $env(SystemRoot)
    } elseif {[info exists env(WINDIR)]} {
	set windir $env(WINDIR)
    }
    if {[info exists windir]} {
	if {$tcl_platform(os) eq "Windows NT"} {
	    append path "$windir/system32;"
	}
	append path "$windir/system;$windir;"
    }

    foreach var {PATH Path path} {
	if {[info exists env($var)]} {
	    append path ";$env($var)"
	}
    }

    foreach ext $execExtensions {
	unset -nocomplain checked
	foreach dir [split $path {;}] {
	    # Skip already checked directories
	    if {[info exists checked($dir)] || ($dir eq "")} {
		continue
	    }
	    set checked($dir) {}
	    set file [file join $dir ${name}${ext}]
	    if {[file exists $file] && ![file isdirectory $file]} {
		return [set auto_execs($name) [list $file]]
	    }
	}
    }
    return ""
}

} else {
# Unix version.
#
proc auto_execok name {
    global auto_execs env

    if {[info exists auto_execs($name)]} {
	return $auto_execs($name)
    }
    set auto_execs($name) ""
    if {[llength [file split $name]] != 1} {
	if {[file executable $name] && ![file isdirectory $name]} {
	    set auto_execs($name) [list $name]
	}
	return $auto_execs($name)
    }
    foreach dir [split $env(PATH) :] {
	if {$dir eq ""} {
	    set dir .
	}
	set file [file join $dir $name]
	if {[file executable $file] && ![file isdirectory $file]} {
	    set auto_execs($name) [list $file]
	    return $auto_execs($name)
	}
    }
    return ""
}

}

# ::tcl::CopyDirectory --
#
# This procedure is called by Tcl's core when attempts to call the
# filesystem's copydirectory function fail.  The semantics of the call
# are that 'dest' does not yet exist, i.e. dest should become the exact
# image of src.  If dest does exist, we throw an error.
#
# Note that making changes to this procedure can change the results
# of running Tcl's tests.
#
# Arguments:
# action -              "renaming" or "copying"
# src -			source directory
# dest -		destination directory
proc tcl::CopyDirectory {action src dest} {
    set nsrc [file normalize $src]
    set ndest [file normalize $dest]

    if {$action eq "renaming"} {
	# Can't rename volumes.  We could give a more precise
	# error message here, but that would break the test suite.
	if {$nsrc in [file volumes]} {
	    return -code error "error $action \"$src\" to\
	      \"$dest\": trying to rename a volume or move a directory\
	      into itself"
	}
    }
    if {[file exists $dest]} {
	if {$nsrc eq $ndest} {
	    return -code error "error $action \"$src\" to\
	      \"$dest\": trying to rename a volume or move a directory\
	      into itself"
	}
	if {$action eq "copying"} {
	    # We used to throw an error here, but, looking more closely
	    # at the core copy code in tclFCmd.c, if the destination
	    # exists, then we should only call this function if -force
	    # is true, which means we just want to over-write.  So,
	    # the following code is now commented out.
	    #
	    # return -code error "error $action \"$src\" to\
	    # \"$dest\": file already exists"
	} else {
	    # Depending on the platform, and on the current
	    # working directory, the directories '.', '..'
	    # can be returned in various combinations.  Anyway,
	    # if any other file is returned, we must signal an error.
	    set existing [glob -nocomplain -directory $dest * .*]
	    lappend existing {*}[glob -nocomplain -directory $dest \
		    -type hidden * .*]
	    foreach s $existing {
		if {[file tail $s] ni {. ..}} {
		    return -code error "error $action \"$src\" to\
		      \"$dest\": file already exists"
		}
	    }
	}
    } else {
	if {[string first $nsrc $ndest] >= 0} {
	    set srclen [expr {[llength [file split $nsrc]] - 1}]
	    set ndest [lindex [file split $ndest] $srclen]
	    if {$ndest eq [file tail $nsrc]} {
		return -code error "error $action \"$src\" to\
		  \"$dest\": trying to rename a volume or move a directory\
		  into itself"
	    }
	}
	file mkdir $dest
    }
    # Have to be careful to capture both visible and hidden files.
    # We will also be more generous to the file system and not
    # assume the hidden and non-hidden lists are non-overlapping.
    #
    # On Unix 'hidden' files begin with '.'.  On other platforms
    # or filesystems hidden files may have other interpretations.
    set filelist [concat [glob -nocomplain -directory $src *] \
      [glob -nocomplain -directory $src -types hidden *]]

    foreach s [lsort -unique $filelist] {
	if {[file tail $s] ni {. ..}} {
	    file copy -force -- $s [file join $dest [file tail $s]]
	}
    }
    return
}
Name	Size	Permission
encoding	---	0755
http1.0	---	0755
msgs	---	0755
opt0.4	---	0755
tcl8	---	0755
auto.tcl	20875 bytes	0644
clock.tcl	128893 bytes	0644
history.tcl	7900 bytes	0644
init.tcl	24806 bytes	0644
package.tcl	23244 bytes	0644
parray.tcl	816 bytes	0644
safe.tcl	40934 bytes	0644
tclAppInit.c	4511 bytes	0644
tclIndex	5539 bytes	0644
tm.tcl	11929 bytes	0644
word.tcl	4876 bytes	0644
File Content: init.tcl

File Content: `init.tcl`
