Development branch for TIPs 22 and 33 kennykb_tip_22_33_botched

1 files changed, 0 insertions, 589 deletions

diff --git a/tests/exec.test b/tests/exec.test
deleted file mode 100644
index ceb677b..0000000
--- a/tests/exec.test
+++ /dev/null
@@ -1,589 +0,0 @@
-# Commands covered:  exec
-#
-# This file contains a collection of tests for one or more of the Tcl
-# built-in commands.  Sourcing this file into Tcl runs the tests and
-# generates output for errors.  No output means no errors were found.
-#
-# Copyright (c) 1991-1994 The Regents of the University of California.
-# Copyright (c) 1994-1997 Sun Microsystems, Inc.
-# Copyright (c) 1998-1999 by Scriptics Corporation.
-#
-# See the file "license.terms" for information on usage and redistribution
-# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-#
-# RCS: @(#) $Id: exec.test,v 1.3 1999/04/16 00:47:27 stanton Exp $
-
-if {[lsearch [namespace children] ::tcltest] == -1} {
-    source [file join [pwd] [file dirname [info script]] defs.tcl]
-}
-
-# All tests require the "exec" command.
-# Skip them if exec is not defined.
-set ::tcltest::testConfig(execCommandExists) [expr {[info commands exec] != ""}]
-
-set f [open echo w]
-puts $f {
-    puts -nonewline [lindex $argv 0]
-    foreach str [lrange $argv 1 end] {
-	puts -nonewline " $str"
-    }
-    puts {}
-}
-close $f
-
-set f [open cat w]
-puts $f {
-    if {$argv == {}} {
-	set argv -
-    }
-    foreach name $argv {
-	if {$name == "-"} {
-	    set f stdin
-	} elseif {[catch {open $name r} f] != 0} {
-	    puts stderr $f
-	    continue
-	}
-	while {[eof $f] == 0} {
-	    puts -nonewline [read $f]
-	}
-	if {$f != "stdin"} {
-	    close $f
-	}
-    }
-}
-close $f
-
-set f [open wc w]
-puts $f {
-    set data [read stdin]
-    set lines [regsub -all "\n" $data {} dummy]
-    set words [regsub -all "\[^ \t\n]+" $data {} dummy]
-    set chars [string length $data]
-    puts [format "%8.d%8.d%8.d" $lines $words $chars]
-}
-close $f
-
-set f [open sh w]
-puts $f {
-    if {[lindex $argv 0] != "-c"} {
-	error "sh: unexpected arguments $argv"
-    }
-    set cmd [lindex $argv 1]
-    lappend cmd ";"
-
-    set newcmd {}
-    
-    foreach arg $cmd {
-	if {$arg == ";"} {
-	    eval exec >@stdout 2>@stderr [list [info nameofexecutable]] $newcmd
-	    set newcmd {}
-	    continue
-	}
-	if {$arg == "1>&2"} {
-	    set arg >@stderr
-	}
-	lappend newcmd $arg
-    }
-}
-close $f
-
-set f [open sleep w]
-puts $f {
-    after [expr $argv*1000]
-}
-close $f
-
-set f [open exit w]
-puts $f {
-    exit $argv
-}
-close $f
-
-# Basic operations.
-
-test exec-1.1 {basic exec operation} {execCommandExists stdio} {
-    exec $tcltest echo a b c
-} "a b c"
-test exec-1.2 {pipelining} {execCommandExists stdio} {
-    exec $tcltest echo a b c d | $tcltest cat | $tcltest cat
-} "a b c d"
-test exec-1.3 {pipelining} {execCommandExists stdio} {
-    set a [exec $tcltest echo a b c d | $tcltest cat | $tcltest wc]
-    list [scan $a "%d %d %d" b c d] $b $c
-} {3 1 4}
-set arg {12345678901234567890123456789012345678901234567890}
-set arg "$arg$arg$arg$arg$arg$arg"
-test exec-1.4 {long command lines} {execCommandExists stdio} {
-    exec $tcltest echo $arg
-} $arg
-set arg {}
-
-# I/O redirection: input from Tcl command.
-
-test exec-2.1 {redirecting input from immediate source} {execCommandExists stdio} {
-    exec $tcltest cat << "Sample text"
-} {Sample text}
-test exec-2.2 {redirecting input from immediate source} {execCommandExists stdio} {
-    exec << "Sample text" $tcltest cat | $tcltest cat
-} {Sample text}
-test exec-2.3 {redirecting input from immediate source} {execCommandExists stdio} {
-    exec $tcltest cat << "Sample text" | $tcltest cat
-} {Sample text}
-test exec-2.4 {redirecting input from immediate source} {execCommandExists stdio} {
-    exec $tcltest cat | $tcltest cat << "Sample text"
-} {Sample text}
-test exec-2.5 {redirecting input from immediate source} {execCommandExists stdio} {
-    exec $tcltest cat "<<Joined to arrows"
-} {Joined to arrows}
-
-# I/O redirection: output to file.
-
-file delete gorp.file
-test exec-3.1 {redirecting output to file} {execCommandExists stdio} {
-    exec $tcltest echo "Some simple words" > gorp.file
-    exec $tcltest cat gorp.file
-} "Some simple words"
-test exec-3.2 {redirecting output to file} {execCommandExists stdio} {
-    exec $tcltest echo "More simple words" | >gorp.file $tcltest cat | $tcltest cat
-    exec $tcltest cat gorp.file
-} "More simple words"
-test exec-3.3 {redirecting output to file} {execCommandExists stdio} {
-    exec > gorp.file $tcltest echo "Different simple words" | $tcltest cat | $tcltest cat
-    exec $tcltest cat gorp.file
-} "Different simple words"
-test exec-3.4 {redirecting output to file} {execCommandExists stdio} {
-    exec $tcltest echo "Some simple words" >gorp.file
-    exec $tcltest cat gorp.file
-} "Some simple words"
-test exec-3.5 {redirecting output to file} {execCommandExists stdio} {
-    exec $tcltest echo "First line" >gorp.file
-    exec $tcltest echo "Second line" >> gorp.file
-    exec $tcltest cat gorp.file
-} "First line\nSecond line"
-test exec-3.6 {redirecting output to file} {execCommandExists stdio} {
-    exec $tcltest echo "First line" >gorp.file
-    exec $tcltest echo "Second line" >>gorp.file
-    exec $tcltest cat gorp.file
-} "First line\nSecond line"
-test exec-3.7 {redirecting output to file} {execCommandExists stdio} {
-    set f [open gorp.file w]
-    puts $f "Line 1"
-    flush $f
-    exec $tcltest echo "More text" >@ $f
-    exec $tcltest echo >@$f "Even more"
-    puts $f "Line 3"
-    close $f
-    exec $tcltest cat gorp.file
-} "Line 1\nMore text\nEven more\nLine 3"
-
-# I/O redirection: output and stderr to file.
-
-file delete gorp.file
-test exec-4.1 {redirecting output and stderr to file} {execCommandExists stdio} {
-    exec $tcltest echo "test output" >& gorp.file
-    exec $tcltest cat gorp.file
-} "test output"
-test exec-4.2 {redirecting output and stderr to file} {execCommandExists stdio} {
-    list [exec $tcltest sh -c "echo foo bar 1>&2" >&gorp.file] \
-	    [exec $tcltest cat gorp.file]
-} {{} {foo bar}}
-test exec-4.3 {redirecting output and stderr to file} {execCommandExists stdio} {
-    exec $tcltest echo "first line" > gorp.file
-    list [exec $tcltest sh -c "echo foo bar 1>&2" >>&gorp.file] \
-	    [exec $tcltest cat gorp.file]
-} "{} {first line\nfoo bar}"
-test exec-4.4 {redirecting output and stderr to file} {execCommandExists stdio} {
-    set f [open gorp.file w]
-    puts $f "Line 1"
-    flush $f
-    exec $tcltest echo "More text" >&@ $f
-    exec $tcltest echo >&@$f "Even more"
-    puts $f "Line 3"
-    close $f
-    exec $tcltest cat gorp.file
-} "Line 1\nMore text\nEven more\nLine 3"
-test exec-4.5 {redirecting output and stderr to file} {execCommandExists stdio} {
-    set f [open gorp.file w]
-    puts $f "Line 1"
-    flush $f
-    exec >&@ $f $tcltest sh -c "echo foo bar 1>&2"
-    exec >&@$f $tcltest sh -c "echo xyzzy 1>&2"
-    puts $f "Line 3"
-    close $f
-    exec $tcltest cat gorp.file
-} "Line 1\nfoo bar\nxyzzy\nLine 3"
-
-# I/O redirection: input from file.
-
-exec $tcltest echo "Just a few thoughts" > gorp.file
-test exec-5.1 {redirecting input from file} {execCommandExists stdio} {
-    exec $tcltest cat < gorp.file
-} {Just a few thoughts}
-test exec-5.2 {redirecting input from file} {execCommandExists stdio} {
-    exec $tcltest cat | $tcltest cat < gorp.file
-} {Just a few thoughts}
-test exec-5.3 {redirecting input from file} {execCommandExists stdio} {
-    exec $tcltest cat < gorp.file | $tcltest cat
-} {Just a few thoughts}
-test exec-5.4 {redirecting input from file} {execCommandExists stdio} {
-    exec < gorp.file $tcltest cat | $tcltest cat
-} {Just a few thoughts}
-test exec-5.5 {redirecting input from file} {execCommandExists stdio} {
-    exec $tcltest cat <gorp.file
-} {Just a few thoughts}
-test exec-5.6 {redirecting input from file} {execCommandExists stdio} {
-    set f [open gorp.file r]
-    set result [exec $tcltest cat <@ $f]
-    close $f
-    set result
-} {Just a few thoughts}
-test exec-5.7 {redirecting input from file} {execCommandExists stdio} {
-    set f [open gorp.file r]
-    set result [exec <@$f $tcltest cat]
-    close $f
-    set result
-} {Just a few thoughts}
-
-# I/O redirection: standard error through a pipeline.
-
-test exec-6.1 {redirecting stderr through a pipeline} {execCommandExists stdio} {
-    exec $tcltest sh -c "echo foo bar" |& $tcltest cat
-} "foo bar"
-test exec-6.2 {redirecting stderr through a pipeline} {execCommandExists stdio} {
-    exec $tcltest sh -c "echo foo bar 1>&2" |& $tcltest cat
-} "foo bar"
-test exec-6.3 {redirecting stderr through a pipeline} {execCommandExists stdio} {
-    exec $tcltest sh -c "echo foo bar 1>&2" \
-	|& $tcltest sh -c "echo second msg 1>&2 ; cat" |& $tcltest cat
-} "second msg\nfoo bar"
-
-# I/O redirection: combinations.
-
-file delete gorp.file2
-test exec-7.1 {multiple I/O redirections} {execCommandExists stdio} {
-    exec << "command input" > gorp.file2 $tcltest cat < gorp.file
-    exec $tcltest cat gorp.file2
-} {Just a few thoughts}
-test exec-7.2 {multiple I/O redirections} {execCommandExists stdio} {
-    exec < gorp.file << "command input" $tcltest cat
-} {command input}
-
-# Long input to command and output from command.
-
-set a "0123456789 xxxxxxxxx abcdefghi ABCDEFGHIJK\n"
-set a [concat $a $a $a $a]
-set a [concat $a $a $a $a]
-set a [concat $a $a $a $a]
-set a [concat $a $a $a $a]
-test exec-8.1 {long input and output} {execCommandExists stdio} {
-    exec $tcltest cat << $a
-} $a
-
-# More than 20 arguments to exec.
-
-test exec-8.1 {long input and output} {execCommandExists stdio} {
-    exec $tcltest echo 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
-} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23}
-
-# Commands that return errors.
-
-test exec-9.1 {commands returning errors} {execCommandExists stdio} {
-    set x [catch {exec gorp456} msg]
-    list $x [string tolower $msg] [string tolower $errorCode]
-} {1 {couldn't execute "gorp456": no such file or directory} {posix enoent {no such file or directory}}}
-test exec-9.2 {commands returning errors} {execCommandExists stdio} {
-    string tolower [list [catch {exec $tcltest echo foo | foo123} msg] $msg $errorCode]
-} {1 {couldn't execute "foo123": no such file or directory} {posix enoent {no such file or directory}}}
-test exec-9.3 {commands returning errors} {execCommandExists stdio} {
-    list [catch {exec $tcltest sleep 1 | $tcltest exit 43 | $tcltest sleep 1} msg] $msg
-} {1 {child process exited abnormally}}
-test exec-9.4 {commands returning errors} {execCommandExists stdio} {
-    list [catch {exec $tcltest exit 43 | $tcltest echo "foo bar"} msg] $msg
-} {1 {foo bar
-child process exited abnormally}}
-test exec-9.5 {commands returning errors} {execCommandExists stdio} {
-    list [catch {exec gorp456 | $tcltest echo a b c} msg] [string tolower $msg]
-} {1 {couldn't execute "gorp456": no such file or directory}}
-test exec-9.6 {commands returning errors} {execCommandExists stdio} {
-    list [catch {exec $tcltest sh -c "echo error msg 1>&2"} msg] $msg
-} {1 {error msg}}
-test exec-9.7 {commands returning errors} {execCommandExists stdio} {
-    list [catch {exec $tcltest sh -c "echo error msg 1>&2" \
-		     | $tcltest sh -c "echo error msg 1>&2"} msg] $msg
-} {1 {error msg
-error msg}}
-test exec-9.8 {commands returning errors} {execCommandExists stdio} {
-    set f [open err w]
-    puts $f {
-	puts stdout out
-	puts stderr err
-    }
-    close $f
-    list [catch {exec $tcltest err} msg] $msg
-} {1 {out
-err}}
-
-# Errors in executing the Tcl command, as opposed to errors in the
-# processes that are invoked.
-
-test exec-10.1 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec} msg] $msg
-} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
-test exec-10.2 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec | cat} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.3 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat |} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.4 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat | | cat} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.5 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat | |& cat} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.6 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat |&} msg] $msg
-} {1 {illegal use of | or |& in command}}
-test exec-10.7 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat <} msg] $msg
-} {1 {can't specify "<" as last word in command}}
-test exec-10.8 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat >} msg] $msg
-} {1 {can't specify ">" as last word in command}}
-test exec-10.9 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat <<} msg] $msg
-} {1 {can't specify "<<" as last word in command}}
-test exec-10.10 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat >>} msg] $msg
-} {1 {can't specify ">>" as last word in command}}
-test exec-10.11 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat >&} msg] $msg
-} {1 {can't specify ">&" as last word in command}}
-test exec-10.12 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat >>&} msg] $msg
-} {1 {can't specify ">>&" as last word in command}}
-test exec-10.13 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat >@} msg] $msg
-} {1 {can't specify ">@" as last word in command}}
-test exec-10.14 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat <@} msg] $msg
-} {1 {can't specify "<@" as last word in command}}
-test exec-10.15 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat < a/b/c} msg] [string tolower $msg]
-} {1 {couldn't read file "a/b/c": no such file or directory}}
-test exec-10.16 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
-} {1 {couldn't write file "a/b/c": no such file or directory}}
-test exec-10.17 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
-} {1 {couldn't write file "a/b/c": no such file or directory}}
-set f [open gorp.file w]
-test exec-10.18 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat <@ $f} msg] $msg
-} "1 {channel \"$f\" wasn't opened for reading}"
-close $f
-set f [open gorp.file r]
-test exec-10.19 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec cat >@ $f} msg] $msg
-} "1 {channel \"$f\" wasn't opened for writing}"
-close $f
-test exec-10.20 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec ~non_existent_user/foo/bar} msg] $msg
-} {1 {user "non_existent_user" doesn't exist}}
-test exec-10.21 {errors in exec invocation} {execCommandExists stdio} {
-    list [catch {exec $tcltest true | ~xyzzy_bad_user/x | false} msg] $msg
-} {1 {user "xyzzy_bad_user" doesn't exist}}
-
-# Commands in background.
-
-test exec-11.1 {commands in background} {execCommandExists stdio} {
-    set x [lindex [time {exec $tcltest sleep 2 &}] 0]
-    expr $x<1000000
-} 1
-test exec-11.2 {commands in background} {execCommandExists stdio} {
-    list [catch {exec $tcltest echo a &b} msg] $msg
-} {0 {a &b}}
-test exec-11.3 {commands in background} {execCommandExists stdio} {
-    llength [exec $tcltest sleep 1 &]
-} 1
-test exec-11.4 {commands in background} {execCommandExists stdio} {
-    llength [exec $tcltest sleep 1 | $tcltest sleep 1 | $tcltest sleep 1 &]
-} 3
-test exec-11.5 {commands in background} {execCommandExists stdio} {
-    set f [open gorp.file w]
-    puts $f { catch { exec [info nameofexecutable] echo foo & } }
-    close $f
-    string compare "foo" [exec $tcltest gorp.file]
-} 0
-
-# Make sure that background commands are properly reaped when
-# they eventually die.
-
-exec $tcltest sleep 3
-test exec-12.1 {reaping background processes} \
-	{execCommandExists stdio unixOnly nonPortable} {
-    for {set i 0} {$i < 20} {incr i} {
-	exec echo foo > /dev/null &
-    }
-    exec sleep 1
-    catch {exec ps | fgrep "echo foo" | fgrep -v fgrep | wc} msg
-    lindex $msg 0
-} 0
-test exec-12.2 {reaping background processes} \
-	{execCommandExists stdio unixOnly nonPortable} {
-    exec sleep 2 | sleep 2 | sleep 2 &
-    catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
-    set x [lindex $msg 0]
-    exec sleep 3
-    catch {exec ps | fgrep -i "sleep" | fgrep -i -v fgrep | wc} msg
-    list $x [lindex $msg 0]
-} {3 0}
-test exec-12.3 {reaping background processes} \
-	{execCommandExists stdio unixOnly nonPortable} {
-    exec sleep 1000 &
-    exec sleep 1000 &
-    set x [exec ps | fgrep "sleep" | fgrep -v fgrep]
-    set pids {}
-    foreach i [split $x \n] {
-	lappend pids [lindex $i 0]
-    }
-    foreach i $pids {
-	catch {exec kill -STOP $i}
-    }
-    catch {exec ps | fgrep "sleep" | fgrep -v fgrep | wc} msg
-    set x [lindex $msg 0]
-
-    foreach i $pids {
-	catch {exec kill -KILL $i}
-    }
-    catch {exec ps | fgrep "sleep" | fgrep -v fgrep | wc} msg
-    list $x [lindex $msg 0]
-} {2 0}
-
-# Make sure "errorCode" is set correctly.
-
-test exec-13.1 {setting errorCode variable} {execCommandExists stdio} {
-    list [catch {exec $tcltest cat < a/b/c} msg] [string tolower $errorCode]
-} {1 {posix enoent {no such file or directory}}}
-test exec-13.2 {setting errorCode variable} {execCommandExists stdio} {
-    list [catch {exec $tcltest cat > a/b/c} msg] [string tolower $errorCode]
-} {1 {posix enoent {no such file or directory}}}
-test exec-13.3 {setting errorCode variable} {execCommandExists stdio} {
-    set x [catch {exec _weird_cmd_} msg]
-    list $x [string tolower $msg] [lindex $errorCode 0] \
-	    [string tolower [lrange $errorCode 2 end]]
-} {1 {couldn't execute "_weird_cmd_": no such file or directory} POSIX {{no such file or directory}}}
-
-# Switches before the first argument
-
-test exec-14.1 {-keepnewline switch} {execCommandExists stdio} {
-    exec -keepnewline $tcltest echo foo
-} "foo\n"
-test exec-14.2 {-keepnewline switch} {execCommandExists stdio} {
-    list [catch {exec -keepnewline} msg] $msg
-} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
-test exec-14.3 {unknown switch} {execCommandExists stdio} {
-    list [catch {exec -gorp} msg] $msg
-} {1 {bad switch "-gorp": must be -keepnewline or --}}
-test exec-14.4 {-- switch} {execCommandExists stdio} {
-    list [catch {exec -- -gorp} msg] [string tolower $msg]
-} {1 {couldn't execute "-gorp": no such file or directory}}
-
-# Redirecting standard error separately from standard output
-
-test exec-15.1 {standard error redirection} {execCommandExists stdio} {
-    exec $tcltest echo "First line" > gorp.file
-    list [exec $tcltest sh -c "echo foo bar 1>&2" 2> gorp.file] \
-	    [exec $tcltest cat gorp.file]
-} {{} {foo bar}}
-test exec-15.2 {standard error redirection} {execCommandExists stdio} {
-    list [exec $tcltest sh -c "echo foo bar 1>&2" \
-		| $tcltest echo biz baz >gorp.file 2> gorp.file2] \
-	    [exec $tcltest cat gorp.file] \
-	    [exec $tcltest cat gorp.file2]
-} {{} {biz baz} {foo bar}}
-test exec-15.3 {standard error redirection} {execCommandExists stdio} {
-    list [exec $tcltest sh -c "echo foo bar 1>&2" \
-	        | $tcltest echo biz baz 2>gorp.file > gorp.file2] \
-	    [exec $tcltest cat gorp.file] \
-	    [exec $tcltest cat gorp.file2]
-} {{} {foo bar} {biz baz}}
-test exec-15.4 {standard error redirection} {execCommandExists stdio} {
-    set f [open gorp.file w]
-    puts $f "Line 1"
-    flush $f
-    exec $tcltest sh -c "echo foo bar 1>&2" 2>@ $f
-    puts $f "Line 3"
-    close $f
-    exec $tcltest cat gorp.file
-} {Line 1
-foo bar
-Line 3}
-test exec-15.5 {standard error redirection} {execCommandExists stdio} {
-    exec $tcltest echo "First line" > gorp.file
-    exec $tcltest sh -c "echo foo bar 1>&2" 2>> gorp.file
-    exec $tcltest cat gorp.file
-} {First line
-foo bar}
-test exec-15.6 {standard error redirection} {execCommandExists stdio} {
-    exec $tcltest sh -c "echo foo bar 1>&2" > gorp.file2 2> gorp.file \
-	    >& gorp.file 2> gorp.file2 | $tcltest echo biz baz
-    list [exec $tcltest cat gorp.file] [exec $tcltest cat gorp.file2]
-} {{biz baz} {foo bar}}
-
-test exec-16.1 {flush output before exec} {execCommandExists stdio} {
-    set f [open gorp.file w]
-    puts $f "First line"
-    exec $tcltest echo "Second line" >@ $f
-    puts $f "Third line"
-    close $f
-    exec $tcltest cat gorp.file
-} {First line
-Second line
-Third line}
-test exec-16.2 {flush output before exec} {execCommandExists stdio} {
-    set f [open gorp.file w]
-    puts $f "First line"
-    exec $tcltest << {puts stderr {Second line}} >&@ $f > gorp.file2
-    puts $f "Third line"
-    close $f
-    exec $tcltest cat gorp.file
-} {First line
-Second line
-Third line}
-
-test exec-17.1 { inheriting standard I/O } {execCommandExists stdio} {
-    set f [open script w]
-    puts $f {close stdout
-	set f [open gorp.file w]
-	catch {exec [info nameofexecutable] echo foobar &}
-	exec [info nameofexecutable] sleep 2
-	close $f
-    }
-    close $f
-    catch {exec $tcltest script} result
-    set f [open gorp.file r]
-    lappend result [read $f]
-    close $f
-    set result
-} {{foobar
-}}
-
-# cleanup
-file delete script gorp.file gorp.file2
-file delete echo cat wc sh sleep exit
-file delete err
-::tcltest::cleanupTests
-return
-
-
-
-
-
-
-
-
-
-
-
-