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# 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.
#
# 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 1.1.1.1 2002-01-16 10:25:35 markom 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
}
 
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} {
    exec $tcltest echo a b c
} "a b c"
test exec-1.2 {pipelining} {
    exec $tcltest echo a b c d | $tcltest cat | $tcltest cat
} "a b c d"
test exec-1.3 {pipelining} {
    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} {
    exec $tcltest echo $arg
} $arg
set arg {}
 
# I/O redirection: input from Tcl command.
 
test exec-2.1 {redirecting input from immediate source} {
    exec $tcltest cat << "Sample text"
} {Sample text}
test exec-2.2 {redirecting input from immediate source} {
    exec << "Sample text" $tcltest cat | $tcltest cat
} {Sample text}
test exec-2.3 {redirecting input from immediate source} {
    exec $tcltest cat << "Sample text" | $tcltest cat
} {Sample text}
test exec-2.4 {redirecting input from immediate source} {
    exec $tcltest cat | $tcltest cat << "Sample text"
} {Sample text}
test exec-2.5 {redirecting input from immediate source} {
    exec $tcltest cat "<
} {Joined to arrows}
 
# I/O redirection: output to file.
 
file delete gorp.file
test exec-3.1 {redirecting output to file} {
    exec $tcltest echo "Some simple words" > gorp.file
    exec $tcltest cat gorp.file
} "Some simple words"
test exec-3.2 {redirecting output to file} {
    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} {
    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} {
    exec $tcltest echo "Some simple words" >gorp.file
    exec $tcltest cat gorp.file
} "Some simple words"
test exec-3.5 {redirecting output to file} {
    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} {
    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} {
    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} {
    exec $tcltest echo "test output" >& gorp.file
    exec $tcltest cat gorp.file
} "test output"
test exec-4.2 {redirecting output and stderr to file} {
    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} {
    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} {
    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} {
    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} {
    exec $tcltest cat < gorp.file
} {Just a few thoughts}
test exec-5.2 {redirecting input from file} {
    exec $tcltest cat | $tcltest cat < gorp.file
} {Just a few thoughts}
test exec-5.3 {redirecting input from file} {
    exec $tcltest cat < gorp.file | $tcltest cat
} {Just a few thoughts}
test exec-5.4 {redirecting input from file} {
    exec < gorp.file $tcltest cat | $tcltest cat
} {Just a few thoughts}
test exec-5.5 {redirecting input from file} {
    exec $tcltest cat 
} {Just a few thoughts}
test exec-5.6 {redirecting input from file} {
    set f [open gorp.file r]
    set result [exec $tcltest cat <@ $f]
    close $f
    set result
} {Just a few thoughts}
test exec-5.7 {redirecting input from file} {
    set f [open gorp.file r]
    set result [exec <@$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} {
    exec $tcltest sh -c "echo foo bar" |& $tcltest cat
} "foo bar"
test exec-6.2 {redirecting stderr through a pipeline} {
    exec $tcltest sh -c "echo foo bar 1>&2" |& $tcltest cat
} "foo bar"
test exec-6.3 {redirecting stderr through a pipeline} {
    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} {
    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} {
    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} {
    exec $tcltest cat << $a
} $a
 
# Commands that return errors.
 
test exec-9.1 {commands returning errors} {
    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} {
    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} {
    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} {
    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} {
    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} {
    list [catch {exec $tcltest sh -c "echo error msg 1>&2"} msg] $msg
} {1 {error msg}}
test exec-9.7 {commands returning errors} {
    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}}
 
# Errors in executing the Tcl command, as opposed to errors in the
# processes that are invoked.
 
test exec-10.1 {errors in exec invocation} {
    list [catch {exec} msg] $msg
} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
test exec-10.2 {errors in exec invocation} {
    list [catch {exec | cat} msg] $msg
} {1 {illegal use of | or |& in command}}
test exec-10.3 {errors in exec invocation} {
    list [catch {exec cat |} msg] $msg
} {1 {illegal use of | or |& in command}}
test exec-10.4 {errors in exec invocation} {
    list [catch {exec cat | | cat} msg] $msg
} {1 {illegal use of | or |& in command}}
test exec-10.5 {errors in exec invocation} {
    list [catch {exec cat | |& cat} msg] $msg
} {1 {illegal use of | or |& in command}}
test exec-10.6 {errors in exec invocation} {
    list [catch {exec cat |&} msg] $msg
} {1 {illegal use of | or |& in command}}
test exec-10.7 {errors in exec invocation} {
    list [catch {exec cat <} msg] $msg
} {1 {can't specify "<" as last word in command}}
test exec-10.8 {errors in exec invocation} {
    list [catch {exec cat >} msg] $msg
} {1 {can't specify ">" as last word in command}}
test exec-10.9 {errors in exec invocation} {
    list [catch {exec cat <<} msg] $msg
} {1 {can't specify "<<" as last word in command}}
test exec-10.10 {errors in exec invocation} {
    list [catch {exec cat >>} msg] $msg
} {1 {can't specify ">>" as last word in command}}
test exec-10.11 {errors in exec invocation} {
    list [catch {exec cat >&} msg] $msg
} {1 {can't specify ">&" as last word in command}}
test exec-10.12 {errors in exec invocation} {
    list [catch {exec cat >>&} msg] $msg
} {1 {can't specify ">>&" as last word in command}}
test exec-10.13 {errors in exec invocation} {
    list [catch {exec cat >@} msg] $msg
} {1 {can't specify ">@" as last word in command}}
test exec-10.14 {errors in exec invocation} {
    list [catch {exec cat <@} msg] $msg
} {1 {can't specify "<@" as last word in command}}
test exec-10.15 {errors in exec invocation} {
    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} {
    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} {
    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} {
    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} {
    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} {
    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} {
    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} {
    set x [lindex [time {exec $tcltest sleep 2 &}] 0]
    expr $x<1000000
} 1
test exec-11.2 {commands in background} {
    list [catch {exec $tcltest echo a &b} msg] $msg
} {0 {a &b}}
test exec-11.3 {commands in background} {
    llength [exec $tcltest sleep 1 &]
} 1
test exec-11.4 {commands in background} {
    llength [exec $tcltest sleep 1 | $tcltest sleep 1 | $tcltest sleep 1 &]
} 3
test exec-11.5 {commands in background} {
    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 $tcltest sleep 3
test exec-12.1 {reaping background processes} {unixOnly nonPortable} {
    for {set i 0} {$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} {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} {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} {
    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} {
    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} {
    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} {
    exec -keepnewline $tcltest echo foo
} "foo\n"
test exec-14.2 {-keepnewline switch} {
    list [catch {exec -keepnewline} msg] $msg
} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
test exec-14.3 {unknown switch} {
    list [catch {exec -gorp} msg] $msg
} {1 {bad switch "-gorp": must be -keepnewline or --}}
test exec-14.4 {-- switch} {
    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} {
    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} {
    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} {
    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} {
    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} {
    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} {
    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} {
    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} {} {
    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 } {
    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
}}
 
file delete script gorp.file gorp.file2
file delete echo cat wc sh sleep exit

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[/] [or1k/] [trunk/] [insight/] [tcl/] [tests/] [exec.test] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	578	markom	`# Commands covered: exec`
2			`#`
3			`# This file contains a collection of tests for one or more of the Tcl`
4			`# built-in commands. Sourcing this file into Tcl runs the tests and`
5			`# generates output for errors. No output means no errors were found.`
6			`#`
7			`# Copyright (c) 1991-1994 The Regents of the University of California.`
8			`# Copyright (c) 1994-1997 Sun Microsystems, Inc.`
9			`#`
10			`# See the file "license.terms" for information on usage and redistribution`
11			`# of this file, and for a DISCLAIMER OF ALL WARRANTIES.`
12			`#`
13			`# RCS: @(#) $Id: exec.test,v 1.1.1.1 2002-01-16 10:25:35 markom Exp $`
14
15			`if {[string compare test [info procs test]] == 1} then {source defs}`
16
17			`# If exec is not defined just return with no error`
18			`# Some platforms like the Macintosh do not have the exec command`
19			`if {[info commands exec] == ""} {`
20			`puts "exec not implemented for this machine"`
21			`return`
22			`}`
23			`if {$testConfig(stdio) == 0} {`
24			`return`
25			`}`
26
27			`set f [open echo w]`
28			`puts $f {`
29			`puts -nonewline [lindex $argv 0]`
30			`foreach str [lrange $argv 1 end] {`
31			`puts -nonewline " $str"`
32			`}`
33			`puts {}`
34			`}`
35			`close $f`
36
37			`set f [open cat w]`
38			`puts $f {`
39			`if {$argv == {}} {`
40			`set argv -`
41			`}`
42			`foreach name $argv {`
43			`if {$name == "-"} {`
44			`set f stdin`
45			`} elseif {[catch {open $name r} f] != 0} {`
46			`puts stderr $f`
47			`continue`
48			`}`
49			`while {[eof $f] == 0} {`
50			`puts -nonewline [read $f]`
51			`}`
52			`if {$f != "stdin"} {`
53			`close $f`
54			`}`
55			`}`
56			`}`
57			`close $f`
58
59			`set f [open wc w]`
60			`puts $f {`
61			`set data [read stdin]`
62			`set lines [regsub -all "\n" $data {} dummy]`
63			`set words [regsub -all "\[^ \t\n]+" $data {} dummy]`
64			`set chars [string length $data]`
65			`puts [format "%8.d%8.d%8.d" $lines $words $chars]`
66			`}`
67			`close $f`
68
69			`set f [open sh w]`
70			`puts $f {`
71			`if {[lindex $argv 0] != "-c"} {`
72			`error "sh: unexpected arguments $argv"`
73			`}`
74			`set cmd [lindex $argv 1]`
75			`lappend cmd ";"`
76
77			`set newcmd {}`
78
79			`foreach arg $cmd {`
80			`if {$arg == ";"} {`
81			`eval exec >@stdout 2>@stderr [list [info nameofexecutable]] $newcmd`
82			`set newcmd {}`
83			`continue`
84			`}`
85			`if {$arg == "1>&2"} {`
86			`set arg >@stderr`
87			`}`
88			`lappend newcmd $arg`
89			`}`
90			`}`
91			`close $f`
92
93			`set f [open sleep w]`
94			`puts $f {`
95			`after [expr $argv*1000]`
96			`}`
97			`close $f`
98
99			`set f [open exit w]`
100			`puts $f {`
101			`exit $argv`
102			`}`
103			`close $f`
104
105			`# Basic operations.`
106
107			`test exec-1.1 {basic exec operation} {`
108			`exec $tcltest echo a b c`
109			`} "a b c"`
110			`test exec-1.2 {pipelining} {`
111			`exec $tcltest echo a b c d \| $tcltest cat \| $tcltest cat`
112			`} "a b c d"`
113			`test exec-1.3 {pipelining} {`
114			`set a [exec $tcltest echo a b c d \| $tcltest cat \| $tcltest wc]`
115			`list [scan $a "%d %d %d" b c d] $b $c`
116			`} {3 1 4}`
117			`set arg {12345678901234567890123456789012345678901234567890}`
118			`set arg "$arg$arg$arg$arg$arg$arg"`
119			`test exec-1.4 {long command lines} {`
120			`exec $tcltest echo $arg`
121			`} $arg`
122			`set arg {}`
123
124			`# I/O redirection: input from Tcl command.`
125
126			`test exec-2.1 {redirecting input from immediate source} {`
127			`exec $tcltest cat << "Sample text"`
128			`} {Sample text}`
129			`test exec-2.2 {redirecting input from immediate source} {`
130			`exec << "Sample text" $tcltest cat \| $tcltest cat`
131			`} {Sample text}`
132			`test exec-2.3 {redirecting input from immediate source} {`
133			`exec $tcltest cat << "Sample text" \| $tcltest cat`
134			`} {Sample text}`
135			`test exec-2.4 {redirecting input from immediate source} {`
136			`exec $tcltest cat \| $tcltest cat << "Sample text"`
137			`} {Sample text}`
138			`test exec-2.5 {redirecting input from immediate source} {`
139			`exec $tcltest cat "<`
140			`} {Joined to arrows}`
141
142			`# I/O redirection: output to file.`
143
144			`file delete gorp.file`
145			`test exec-3.1 {redirecting output to file} {`
146			`exec $tcltest echo "Some simple words" > gorp.file`
147			`exec $tcltest cat gorp.file`
148			`} "Some simple words"`
149			`test exec-3.2 {redirecting output to file} {`
150			`exec $tcltest echo "More simple words" \| >gorp.file $tcltest cat \| $tcltest cat`
151			`exec $tcltest cat gorp.file`
152			`} "More simple words"`
153			`test exec-3.3 {redirecting output to file} {`
154			`exec > gorp.file $tcltest echo "Different simple words" \| $tcltest cat \| $tcltest cat`
155			`exec $tcltest cat gorp.file`
156			`} "Different simple words"`
157			`test exec-3.4 {redirecting output to file} {`
158			`exec $tcltest echo "Some simple words" >gorp.file`
159			`exec $tcltest cat gorp.file`
160			`} "Some simple words"`
161			`test exec-3.5 {redirecting output to file} {`
162			`exec $tcltest echo "First line" >gorp.file`
163			`exec $tcltest echo "Second line" >> gorp.file`
164			`exec $tcltest cat gorp.file`
165			`} "First line\nSecond line"`
166			`test exec-3.6 {redirecting output to file} {`
167			`exec $tcltest echo "First line" >gorp.file`
168			`exec $tcltest echo "Second line" >>gorp.file`
169			`exec $tcltest cat gorp.file`
170			`} "First line\nSecond line"`
171			`test exec-3.7 {redirecting output to file} {`
172			`set f [open gorp.file w]`
173			`puts $f "Line 1"`
174			`flush $f`
175			`exec $tcltest echo "More text" >@ $f`
176			`exec $tcltest echo >@$f "Even more"`
177			`puts $f "Line 3"`
178			`close $f`
179			`exec $tcltest cat gorp.file`
180			`} "Line 1\nMore text\nEven more\nLine 3"`
181
182			`# I/O redirection: output and stderr to file.`
183
184			`file delete gorp.file`
185			`test exec-4.1 {redirecting output and stderr to file} {`
186			`exec $tcltest echo "test output" >& gorp.file`
187			`exec $tcltest cat gorp.file`
188			`} "test output"`
189			`test exec-4.2 {redirecting output and stderr to file} {`
190			`list [exec $tcltest sh -c "echo foo bar 1>&2" >&gorp.file] \`
191			`[exec $tcltest cat gorp.file]`
192			`} {{} {foo bar}}`
193			`test exec-4.3 {redirecting output and stderr to file} {`
194			`exec $tcltest echo "first line" > gorp.file`
195			`list [exec $tcltest sh -c "echo foo bar 1>&2" >>&gorp.file] \`
196			`[exec $tcltest cat gorp.file]`
197			`} "{} {first line\nfoo bar}"`
198			`test exec-4.4 {redirecting output and stderr to file} {`
199			`set f [open gorp.file w]`
200			`puts $f "Line 1"`
201			`flush $f`
202			`exec $tcltest echo "More text" >&@ $f`
203			`exec $tcltest echo >&@$f "Even more"`
204			`puts $f "Line 3"`
205			`close $f`
206			`exec $tcltest cat gorp.file`
207			`} "Line 1\nMore text\nEven more\nLine 3"`
208			`test exec-4.5 {redirecting output and stderr to file} {`
209			`set f [open gorp.file w]`
210			`puts $f "Line 1"`
211			`flush $f`
212			`exec >&@ $f $tcltest sh -c "echo foo bar 1>&2"`
213			`exec >&@$f $tcltest sh -c "echo xyzzy 1>&2"`
214			`puts $f "Line 3"`
215			`close $f`
216			`exec $tcltest cat gorp.file`
217			`} "Line 1\nfoo bar\nxyzzy\nLine 3"`
218
219			`# I/O redirection: input from file.`
220
221			`exec $tcltest echo "Just a few thoughts" > gorp.file`
222			`test exec-5.1 {redirecting input from file} {`
223			`exec $tcltest cat < gorp.file`
224			`} {Just a few thoughts}`
225			`test exec-5.2 {redirecting input from file} {`
226			`exec $tcltest cat \| $tcltest cat < gorp.file`
227			`} {Just a few thoughts}`
228			`test exec-5.3 {redirecting input from file} {`
229			`exec $tcltest cat < gorp.file \| $tcltest cat`
230			`} {Just a few thoughts}`
231			`test exec-5.4 {redirecting input from file} {`
232			`exec < gorp.file $tcltest cat \| $tcltest cat`
233			`} {Just a few thoughts}`
234			`test exec-5.5 {redirecting input from file} {`
235			`exec $tcltest cat`
236			`} {Just a few thoughts}`
237			`test exec-5.6 {redirecting input from file} {`
238			`set f [open gorp.file r]`
239			`set result [exec $tcltest cat <@ $f]`
240			`close $f`
241			`set result`
242			`} {Just a few thoughts}`
243			`test exec-5.7 {redirecting input from file} {`
244			`set f [open gorp.file r]`
245			`set result [exec <@$f $tcltest cat]`
246			`close $f`
247			`set result`
248			`} {Just a few thoughts}`
249
250			`# I/O redirection: standard error through a pipeline.`
251
252			`test exec-6.1 {redirecting stderr through a pipeline} {`
253			`exec $tcltest sh -c "echo foo bar" \|& $tcltest cat`
254			`} "foo bar"`
255			`test exec-6.2 {redirecting stderr through a pipeline} {`
256			`exec $tcltest sh -c "echo foo bar 1>&2" \|& $tcltest cat`
257			`} "foo bar"`
258			`test exec-6.3 {redirecting stderr through a pipeline} {`
259			`exec $tcltest sh -c "echo foo bar 1>&2" \`
260			`\|& $tcltest sh -c "echo second msg 1>&2 ; cat" \|& $tcltest cat`
261			`} "second msg\nfoo bar"`
262
263			`# I/O redirection: combinations.`
264
265			`catch {exec rm -f gorp.file2}`
266			`test exec-7.1 {multiple I/O redirections} {`
267			`exec << "command input" > gorp.file2 $tcltest cat < gorp.file`
268			`exec $tcltest cat gorp.file2`
269			`} {Just a few thoughts}`
270			`test exec-7.2 {multiple I/O redirections} {`
271			`exec < gorp.file << "command input" $tcltest cat`
272			`} {command input}`
273
274			`# Long input to command and output from command.`
275
276			`set a "0123456789 xxxxxxxxx abcdefghi ABCDEFGHIJK\n"`
277			`set a [concat $a $a $a $a]`
278			`set a [concat $a $a $a $a]`
279			`set a [concat $a $a $a $a]`
280			`set a [concat $a $a $a $a]`
281			`test exec-8.1 {long input and output} {`
282			`exec $tcltest cat << $a`
283			`} $a`
284
285			`# Commands that return errors.`
286
287			`test exec-9.1 {commands returning errors} {`
288			`set x [catch {exec gorp456} msg]`
289			`list $x [string tolower $msg] [string tolower $errorCode]`
290			`} {1 {couldn't execute "gorp456": no such file or directory} {posix enoent {no such file or directory}}}`
291			`test exec-9.2 {commands returning errors} {`
292			`string tolower [list [catch {exec $tcltest echo foo \| foo123} msg] $msg $errorCode]`
293			`} {1 {couldn't execute "foo123": no such file or directory} {posix enoent {no such file or directory}}}`
294			`test exec-9.3 {commands returning errors} {`
295			`list [catch {exec $tcltest sleep 1 \| $tcltest exit 43 \| $tcltest sleep 1} msg] $msg`
296			`} {1 {child process exited abnormally}}`
297			`test exec-9.4 {commands returning errors} {`
298			`list [catch {exec $tcltest exit 43 \| $tcltest echo "foo bar"} msg] $msg`
299			`} {1 {foo bar`
300			`child process exited abnormally}}`
301			`test exec-9.5 {commands returning errors} {`
302			`list [catch {exec gorp456 \| $tcltest echo a b c} msg] [string tolower $msg]`
303			`} {1 {couldn't execute "gorp456": no such file or directory}}`
304			`test exec-9.6 {commands returning errors} {`
305			`list [catch {exec $tcltest sh -c "echo error msg 1>&2"} msg] $msg`
306			`} {1 {error msg}}`
307			`test exec-9.7 {commands returning errors} {`
308			`list [catch {exec $tcltest sh -c "echo error msg 1>&2" \`
309			`\| $tcltest sh -c "echo error msg 1>&2"} msg] $msg`
310			`} {1 {error msg`
311			`error msg}}`
312
313			`# Errors in executing the Tcl command, as opposed to errors in the`
314			`# processes that are invoked.`
315
316			`test exec-10.1 {errors in exec invocation} {`
317			`list [catch {exec} msg] $msg`
318			`} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}`
319			`test exec-10.2 {errors in exec invocation} {`
320			`list [catch {exec \| cat} msg] $msg`
321			`} {1 {illegal use of \| or \|& in command}}`
322			`test exec-10.3 {errors in exec invocation} {`
323			`list [catch {exec cat \|} msg] $msg`
324			`} {1 {illegal use of \| or \|& in command}}`
325			`test exec-10.4 {errors in exec invocation} {`
326			`list [catch {exec cat \| \| cat} msg] $msg`
327			`} {1 {illegal use of \| or \|& in command}}`
328			`test exec-10.5 {errors in exec invocation} {`
329			`list [catch {exec cat \| \|& cat} msg] $msg`
330			`} {1 {illegal use of \| or \|& in command}}`
331			`test exec-10.6 {errors in exec invocation} {`
332			`list [catch {exec cat \|&} msg] $msg`
333			`} {1 {illegal use of \| or \|& in command}}`
334			`test exec-10.7 {errors in exec invocation} {`
335			`list [catch {exec cat <} msg] $msg`
336			`} {1 {can't specify "<" as last word in command}}`
337			`test exec-10.8 {errors in exec invocation} {`
338			`list [catch {exec cat >} msg] $msg`
339			`} {1 {can't specify ">" as last word in command}}`
340			`test exec-10.9 {errors in exec invocation} {`
341			`list [catch {exec cat <<} msg] $msg`
342			`} {1 {can't specify "<<" as last word in command}}`
343			`test exec-10.10 {errors in exec invocation} {`
344			`list [catch {exec cat >>} msg] $msg`
345			`} {1 {can't specify ">>" as last word in command}}`
346			`test exec-10.11 {errors in exec invocation} {`
347			`list [catch {exec cat >&} msg] $msg`
348			`} {1 {can't specify ">&" as last word in command}}`
349			`test exec-10.12 {errors in exec invocation} {`
350			`list [catch {exec cat >>&} msg] $msg`
351			`} {1 {can't specify ">>&" as last word in command}}`
352			`test exec-10.13 {errors in exec invocation} {`
353			`list [catch {exec cat >@} msg] $msg`
354			`} {1 {can't specify ">@" as last word in command}}`
355			`test exec-10.14 {errors in exec invocation} {`
356			`list [catch {exec cat <@} msg] $msg`
357			`} {1 {can't specify "<@" as last word in command}}`
358			`test exec-10.15 {errors in exec invocation} {`
359			`list [catch {exec cat < a/b/c} msg] [string tolower $msg]`
360			`} {1 {couldn't read file "a/b/c": no such file or directory}}`
361			`test exec-10.16 {errors in exec invocation} {`
362			`list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]`
363			`} {1 {couldn't write file "a/b/c": no such file or directory}}`
364			`test exec-10.17 {errors in exec invocation} {`
365			`list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]`
366			`} {1 {couldn't write file "a/b/c": no such file or directory}}`
367			`set f [open gorp.file w]`
368			`test exec-10.18 {errors in exec invocation} {`
369			`list [catch {exec cat <@ $f} msg] $msg`
370			`} "1 {channel \"$f\" wasn't opened for reading}"`
371			`close $f`
372			`set f [open gorp.file r]`
373			`test exec-10.19 {errors in exec invocation} {`
374			`list [catch {exec cat >@ $f} msg] $msg`
375			`} "1 {channel \"$f\" wasn't opened for writing}"`
376			`close $f`
377			`test exec-10.20 {errors in exec invocation} {`
378			`list [catch {exec ~non_existent_user/foo/bar} msg] $msg`
379			`} {1 {user "non_existent_user" doesn't exist}}`
380			`test exec-10.21 {errors in exec invocation} {`
381			`list [catch {exec $tcltest true \| ~xyzzy_bad_user/x \| false} msg] $msg`
382			`} {1 {user "xyzzy_bad_user" doesn't exist}}`
383
384			`# Commands in background.`
385
386			`test exec-11.1 {commands in background} {`
387			`set x [lindex [time {exec $tcltest sleep 2 &}] 0]`
388			`expr $x<1000000`
389			`} 1`
390			`test exec-11.2 {commands in background} {`
391			`list [catch {exec $tcltest echo a &b} msg] $msg`
392			`} {0 {a &b}}`
393			`test exec-11.3 {commands in background} {`
394			`llength [exec $tcltest sleep 1 &]`
395			`} 1`
396			`test exec-11.4 {commands in background} {`
397			`llength [exec $tcltest sleep 1 \| $tcltest sleep 1 \| $tcltest sleep 1 &]`
398			`} 3`
399			`test exec-11.5 {commands in background} {`
400			`set f [open gorp.file w]`
401			`puts $f { catch { exec [info nameofexecutable] echo foo & } }`
402			`close $f`
403			`string compare "foo" [exec $tcltest gorp.file]`
404			`} 0`
405
406			`# Make sure that background commands are properly reaped when`
407			`# they eventually die.`
408
409			`exec $tcltest sleep 3`
410			`test exec-12.1 {reaping background processes} {unixOnly nonPortable} {`
411			`for {set i 0} {$i < 20} {incr i} {`
412			`exec echo foo > /dev/null &`
413			`}`
414			`exec sleep 1`
415			`catch {exec ps \| fgrep "echo foo" \| fgrep -v fgrep \| wc} msg`
416			`lindex $msg 0`
417			`} 0`
418			`test exec-12.2 {reaping background processes} {unixOnly nonPortable} {`
419			`exec sleep 2 \| sleep 2 \| sleep 2 &`
420			`catch {exec ps \| fgrep -i "sleep" \| fgrep -i -v fgrep \| wc} msg`
421			`set x [lindex $msg 0]`
422			`exec sleep 3`
423			`catch {exec ps \| fgrep -i "sleep" \| fgrep -i -v fgrep \| wc} msg`
424			`list $x [lindex $msg 0]`
425			`} {3 0}`
426			`test exec-12.3 {reaping background processes} {unixOnly nonPortable} {`
427			`exec sleep 1000 &`
428			`exec sleep 1000 &`
429			`set x [exec ps \| fgrep "sleep" \| fgrep -v fgrep]`
430			`set pids {}`
431			`foreach i [split $x \n] {`
432			`lappend pids [lindex $i 0]`
433			`}`
434			`foreach i $pids {`
435			`catch {exec kill -STOP $i}`
436			`}`
437			`catch {exec ps \| fgrep "sleep" \| fgrep -v fgrep \| wc} msg`
438			`set x [lindex $msg 0]`
439
440			`foreach i $pids {`
441			`catch {exec kill -KILL $i}`
442			`}`
443			`catch {exec ps \| fgrep "sleep" \| fgrep -v fgrep \| wc} msg`
444			`list $x [lindex $msg 0]`
445			`} {2 0}`
446
447			`# Make sure "errorCode" is set correctly.`
448
449			`test exec-13.1 {setting errorCode variable} {`
450			`list [catch {exec $tcltest cat < a/b/c} msg] [string tolower $errorCode]`
451			`} {1 {posix enoent {no such file or directory}}}`
452			`test exec-13.2 {setting errorCode variable} {`
453			`list [catch {exec $tcltest cat > a/b/c} msg] [string tolower $errorCode]`
454			`} {1 {posix enoent {no such file or directory}}}`
455			`test exec-13.3 {setting errorCode variable} {`
456			`set x [catch {exec _weird_cmd_} msg]`
457			`list $x [string tolower $msg] [lindex $errorCode 0] \`
458			`[string tolower [lrange $errorCode 2 end]]`
459			`} {1 {couldn't execute "_weird_cmd_": no such file or directory} POSIX {{no such file or directory}}}`
460
461			`# Switches before the first argument`
462
463			`test exec-14.1 {-keepnewline switch} {`
464			`exec -keepnewline $tcltest echo foo`
465			`} "foo\n"`
466			`test exec-14.2 {-keepnewline switch} {`
467			`list [catch {exec -keepnewline} msg] $msg`
468			`} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}`
469			`test exec-14.3 {unknown switch} {`
470			`list [catch {exec -gorp} msg] $msg`
471			`} {1 {bad switch "-gorp": must be -keepnewline or --}}`
472			`test exec-14.4 {-- switch} {`
473			`list [catch {exec -- -gorp} msg] [string tolower $msg]`
474			`} {1 {couldn't execute "-gorp": no such file or directory}}`
475
476			`# Redirecting standard error separately from standard output`
477
478			`test exec-15.1 {standard error redirection} {`
479			`exec $tcltest echo "First line" > gorp.file`
480			`list [exec $tcltest sh -c "echo foo bar 1>&2" 2> gorp.file] \`
481			`[exec $tcltest cat gorp.file]`
482			`} {{} {foo bar}}`
483			`test exec-15.2 {standard error redirection} {`
484			`list [exec $tcltest sh -c "echo foo bar 1>&2" \`
485			`\| $tcltest echo biz baz >gorp.file 2> gorp.file2] \`
486			`[exec $tcltest cat gorp.file] \`
487			`[exec $tcltest cat gorp.file2]`
488			`} {{} {biz baz} {foo bar}}`
489			`test exec-15.3 {standard error redirection} {`
490			`list [exec $tcltest sh -c "echo foo bar 1>&2" \`
491			`\| $tcltest echo biz baz 2>gorp.file > gorp.file2] \`
492			`[exec $tcltest cat gorp.file] \`
493			`[exec $tcltest cat gorp.file2]`
494			`} {{} {foo bar} {biz baz}}`
495			`test exec-15.4 {standard error redirection} {`
496			`set f [open gorp.file w]`
497			`puts $f "Line 1"`
498			`flush $f`
499			`exec $tcltest sh -c "echo foo bar 1>&2" 2>@ $f`
500			`puts $f "Line 3"`
501			`close $f`
502			`exec $tcltest cat gorp.file`
503			`} {Line 1`
504			`foo bar`
505			`Line 3}`
506			`test exec-15.5 {standard error redirection} {`
507			`exec $tcltest echo "First line" > gorp.file`
508			`exec $tcltest sh -c "echo foo bar 1>&2" 2>> gorp.file`
509			`exec $tcltest cat gorp.file`
510			`} {First line`
511			`foo bar}`
512			`test exec-15.6 {standard error redirection} {`
513			`exec $tcltest sh -c "echo foo bar 1>&2" > gorp.file2 2> gorp.file \`
514			`>& gorp.file 2> gorp.file2 \| $tcltest echo biz baz`
515			`list [exec $tcltest cat gorp.file] [exec $tcltest cat gorp.file2]`
516			`} {{biz baz} {foo bar}}`
517
518			`test exec-16.1 {flush output before exec} {`
519			`set f [open gorp.file w]`
520			`puts $f "First line"`
521			`exec $tcltest echo "Second line" >@ $f`
522			`puts $f "Third line"`
523			`close $f`
524			`exec $tcltest cat gorp.file`
525			`} {First line`
526			`Second line`
527			`Third line}`
528			`test exec-16.2 {flush output before exec} {} {`
529			`set f [open gorp.file w]`
530			`puts $f "First line"`
531			`exec $tcltest << {puts stderr {Second line}} >&@ $f > gorp.file2`
532			`puts $f "Third line"`
533			`close $f`
534			`exec $tcltest cat gorp.file`
535			`} {First line`
536			`Second line`
537			`Third line}`
538
539			`test exec-17.1 { inheriting standard I/O } {`
540			`set f [open script w]`
541			`puts $f {close stdout`
542			`set f [open gorp.file w]`
543			`catch {exec [info nameofexecutable] echo foobar &}`
544			`exec [info nameofexecutable] sleep 2`
545			`close $f`
546			`}`
547			`close $f`
548			`catch {exec $tcltest script} result`
549			`set f [open gorp.file r]`
550			`lappend result [read $f]`
551			`close $f`
552			`set result`
553			`} {{foobar`
554			`}}`
555
556			`file delete script gorp.file gorp.file2`
557			`file delete echo cat wc sh sleep exit`