merged tcl 8.1 branch back into the main trunk

1 files changed, 130 insertions, 98 deletions

diff --git a/tests/exec.test b/tests/exec.test
index d365b5d..ceb677b 100644
--- a/tests/exec.test
+++ b/tests/exec.test
@@ -6,24 +6,21 @@
 #
 # 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 1.2 1998/09/14 18:40:08 stanton Exp $
+# RCS: @(#) $Id: exec.test,v 1.3 1999/04/16 00:47:27 stanton Exp $
 
-if {[string compare test [info procs test]] == 1} then {source defs}
-
-# If exec is not defined just return with no error
-# Some platforms like the Macintosh do not have the exec command
-if {[info commands exec] == ""} {
-    puts "exec not implemented for this machine"
-    return
-}
-if {$testConfig(stdio) == 0} {
-    return
+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]
@@ -104,71 +101,71 @@ close $f
 
 # Basic operations.
 
-test exec-1.1 {basic exec operation} {
+test exec-1.1 {basic exec operation} {execCommandExists stdio} {
     exec $tcltest echo a b c
 } "a b c"
-test exec-1.2 {pipelining} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+test exec-3.7 {redirecting output to file} {execCommandExists stdio} {
     set f [open gorp.file w]
     puts $f "Line 1"
     flush $f
@@ -182,20 +179,20 @@ test exec-3.7 {redirecting output to file} {
 # I/O redirection: output and stderr to file.
 
 file delete gorp.file
-test exec-4.1 {redirecting output and stderr to 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} {
+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} {
+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} {
+test exec-4.4 {redirecting output and stderr to file} {execCommandExists stdio} {
     set f [open gorp.file w]
     puts $f "Line 1"
     flush $f
@@ -205,7 +202,7 @@ test exec-4.4 {redirecting output and stderr to file} {
     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} {
+test exec-4.5 {redirecting output and stderr to file} {execCommandExists stdio} {
     set f [open gorp.file w]
     puts $f "Line 1"
     flush $f
@@ -219,28 +216,28 @@ test exec-4.5 {redirecting output and stderr to file} {
 # I/O redirection: input from file.
 
 exec $tcltest echo "Just a few thoughts" > gorp.file
-test exec-5.1 {redirecting input from 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} {
+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} {
+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} {
+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} {
+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} {
+test exec-5.6 {redirecting input from file} {execCommandExists stdio} {
     set f [open gorp.file r]
     set result [exec $tcltest cat <@ $f]
     close $f
     set result
 } {Just a few thoughts}
-test exec-5.7 {redirecting input from file} {
+test exec-5.7 {redirecting input from file} {execCommandExists stdio} {
     set f [open gorp.file r]
     set result [exec <@$f $tcltest cat]
     close $f
@@ -249,25 +246,25 @@ test exec-5.7 {redirecting input from file} {
 
 # I/O redirection: standard error through a pipeline.
 
-test exec-6.1 {redirecting stderr 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} {
+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} {
+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.
 
-catch {exec rm -f gorp.file2}
-test exec-7.1 {multiple I/O redirections} {
+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} {
+test exec-7.2 {multiple I/O redirections} {execCommandExists stdio} {
     exec < gorp.file << "command input" $tcltest cat
 } {command input}
 
@@ -278,125 +275,141 @@ 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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+test exec-11.3 {commands in background} {execCommandExists stdio} {
     llength [exec $tcltest sleep 1 &]
 } 1
-test exec-11.4 {commands in background} {
+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} {
+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
@@ -407,7 +420,8 @@ test exec-11.5 {commands in background} {
 # they eventually die.
 
 exec $tcltest sleep 3
-test exec-12.1 {reaping background processes} {unixOnly nonPortable} {
+test exec-12.1 {reaping background processes} \
+	{execCommandExists stdio unixOnly nonPortable} {
     for {set i 0} {$i < 20} {incr i} {
 	exec echo foo > /dev/null &
     }
@@ -415,7 +429,8 @@ test exec-12.1 {reaping background processes} {unixOnly nonPortable} {
     catch {exec ps | fgrep "echo foo" | fgrep -v fgrep | wc} msg
     lindex $msg 0
 } 0
-test exec-12.2 {reaping background processes} {unixOnly nonPortable} {
+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]
@@ -423,7 +438,8 @@ test exec-12.2 {reaping background processes} {unixOnly nonPortable} {
     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} {unixOnly nonPortable} {
+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]
@@ -446,13 +462,13 @@ test exec-12.3 {reaping background processes} {unixOnly nonPortable} {
 
 # Make sure "errorCode" is set correctly.
 
-test exec-13.1 {setting errorCode variable} {
+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} {
+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} {
+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]]
@@ -460,39 +476,39 @@ test exec-13.3 {setting errorCode variable} {
 
 # Switches before the first argument
 
-test exec-14.1 {-keepnewline switch} {
+test exec-14.1 {-keepnewline switch} {execCommandExists stdio} {
     exec -keepnewline $tcltest echo foo
 } "foo\n"
-test exec-14.2 {-keepnewline switch} {
+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} {
+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} {
+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} {
+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} {
+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} {
+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} {
+test exec-15.4 {standard error redirection} {execCommandExists stdio} {
     set f [open gorp.file w]
     puts $f "Line 1"
     flush $f
@@ -503,19 +519,19 @@ test exec-15.4 {standard error redirection} {
 } {Line 1
 foo bar
 Line 3}
-test exec-15.5 {standard error redirection} {
+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} {
+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} {
+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
@@ -525,7 +541,7 @@ test exec-16.1 {flush output before exec} {
 } {First line
 Second line
 Third line}
-test exec-16.2 {flush output before exec} {} {
+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
@@ -536,7 +552,7 @@ test exec-16.2 {flush output before exec} {} {
 Second line
 Third line}
 
-test exec-17.1 { inheriting standard I/O } {
+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]
@@ -553,5 +569,21 @@ test exec-17.1 { inheriting standard I/O } {
 } {{foobar
 }}
 
+# cleanup
 file delete script gorp.file gorp.file2
 file delete echo cat wc sh sleep exit
+file delete err
+::tcltest::cleanupTests
+return
+
+
+
+
+
+
+
+
+
+
+
+