436 lines
15 KiB
Plaintext
436 lines
15 KiB
Plaintext
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# Commands covered: exec
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#
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# This file contains a collection of tests for one or more of the Tcl
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# built-in commands. Sourcing this file into Tcl runs the tests and
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# generates output for errors. No output means no errors were found.
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#
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# Copyright (c) 1991-1993 The Regents of the University of California.
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# All rights reserved.
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#
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# Permission is hereby granted, without written agreement and without
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# license or royalty fees, to use, copy, modify, and distribute this
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# software and its documentation for any purpose, provided that the
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# above copyright notice and the following two paragraphs appear in
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# all copies of this software.
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#
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# IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
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# DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
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# OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
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# CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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# AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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# ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
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# PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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#
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# $Header: /user6/ouster/tcl/tests/RCS/exec.test,v 1.30 93/09/16 16:57:43 ouster Exp $ (Berkeley)
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if {[string compare test [info procs test]] == 1} then {source defs}
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# Basic operations.
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test exec-1.1 {basic exec operation} {
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exec echo a b c
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} "a b c"
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test exec-1.2 {pipelining} {
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exec echo a b c d | cat | cat
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} "a b c d"
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test exec-1.3 {pipelining} {
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set a [exec echo a b c d | cat | wc]
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list [scan $a "%d %d %d" b c d] $b $c $d
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} {3 1 4 8}
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# I/O redirection: input from Tcl command.
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test exec-2.1 {redirecting input from immediate source} {
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exec cat << "Sample text"
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} {Sample text}
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test exec-2.2 {redirecting input from immediate source} {
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exec << "Sample text" cat | cat
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} {Sample text}
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test exec-2.3 {redirecting input from immediate source} {
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exec cat << "Sample text" | cat
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} {Sample text}
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test exec-2.4 {redirecting input from immediate source} {
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exec cat | cat << "Sample text"
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} {Sample text}
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test exec-2.5 {redirecting input from immediate source} {
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exec cat "<<Joined to arrows"
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} {Joined to arrows}
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# I/O redirection: output to file.
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catch {exec rm -f gorp.file}
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test exec-3.1 {redirecting output to file} {
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exec echo "Some simple words" > gorp.file
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exec cat gorp.file
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} "Some simple words"
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test exec-3.2 {redirecting output to file} {
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exec echo "More simple words" | >gorp.file cat | cat
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exec cat gorp.file
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} "More simple words"
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test exec-3.3 {redirecting output to file} {
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exec > gorp.file echo "Different simple words" | cat | cat
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exec cat gorp.file
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} "Different simple words"
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test exec-3.4 {redirecting output to file} {
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exec echo "Some simple words" >gorp.file
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exec cat gorp.file
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} "Some simple words"
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test exec-3.5 {redirecting output to file} {
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exec echo "First line" >gorp.file
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exec echo "Second line" >> gorp.file
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exec cat gorp.file
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} "First line\nSecond line"
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test exec-3.6 {redirecting output to file} {
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exec echo "First line" >gorp.file
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exec echo "Second line" >>gorp.file
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exec cat gorp.file
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} "First line\nSecond line"
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test exec-3.7 {redirecting output to file} {
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set f [open gorp.file w]
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puts $f "Line 1"
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flush $f
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exec echo "More text" >@ $f
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exec echo >@$f "Even more"
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puts $f "Line 3"
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close $f
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exec cat gorp.file
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} "Line 1\nMore text\nEven more\nLine 3"
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# I/O redirection: output and stderr to file.
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catch {exec rm -f gorp.file}
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test exec-4.1 {redirecting output and stderr to file} {
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exec echo "test output" >& gorp.file
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exec cat gorp.file
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} "test output"
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test exec-4.2 {redirecting output and stderr to file} {
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list [exec sh -c "echo foo bar 1>&2" >&gorp.file] \
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[exec cat gorp.file]
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} {{} {foo bar}}
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test exec-4.3 {redirecting output and stderr to file} {
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exec echo "first line" > gorp.file
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list [exec sh -c "echo foo bar 1>&2" >>&gorp.file] \
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[exec cat gorp.file]
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} "{} {first line\nfoo bar}"
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test exec-4.4 {redirecting output and stderr to file} {
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set f [open gorp.file w]
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puts $f "Line 1"
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flush $f
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exec echo "More text" >&@ $f
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exec echo >&@$f "Even more"
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puts $f "Line 3"
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close $f
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exec cat gorp.file
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} "Line 1\nMore text\nEven more\nLine 3"
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test exec-4.5 {redirecting output and stderr to file} {
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set f [open gorp.file w]
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puts $f "Line 1"
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flush $f
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exec >&@ $f sh -c "echo foo bar 1>&2"
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exec >&@$f sh -c "echo xyzzy 1>&2"
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puts $f "Line 3"
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close $f
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exec cat gorp.file
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} "Line 1\nfoo bar\nxyzzy\nLine 3"
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# I/O redirection: input from file.
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exec echo "Just a few thoughts" > gorp.file
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test exec-5.1 {redirecting input from file} {
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exec cat < gorp.file
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} {Just a few thoughts}
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test exec-5.2 {redirecting input from file} {
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exec cat | cat < gorp.file
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} {Just a few thoughts}
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test exec-5.3 {redirecting input from file} {
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exec cat < gorp.file | cat
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} {Just a few thoughts}
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test exec-5.4 {redirecting input from file} {
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exec < gorp.file cat | cat
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} {Just a few thoughts}
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test exec-5.5 {redirecting input from file} {
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exec cat <gorp.file
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} {Just a few thoughts}
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test exec-5.6 {redirecting input from file} {
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set f [open gorp.file r]
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set result [exec cat <@ $f]
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close $f
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set result
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} {Just a few thoughts}
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test exec-5.7 {redirecting input from file} {
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set f [open gorp.file r]
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set result [exec <@$f cat]
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close $f
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set result
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} {Just a few thoughts}
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# I/O redirection: standard error through a pipeline.
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test exec-6.1 {redirecting stderr through a pipeline} {
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exec sh -c "echo foo bar" |& cat
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} "foo bar"
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test exec-6.2 {redirecting stderr through a pipeline} {
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exec sh -c "echo foo bar 1>&2" |& cat
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} "foo bar"
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test exec-6.3 {redirecting stderr through a pipeline} {
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exec sh -c "echo foo bar 1>&2" |& sh -c "echo second msg 1>& 2; cat" |& cat
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} "second msg\nfoo bar"
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# I/O redirection: combinations.
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catch {exec rm -f gorp.file2}
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test exec-7.1 {multiple I/O redirections} {
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exec << "command input" > gorp.file2 cat < gorp.file
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exec cat gorp.file2
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} {Just a few thoughts}
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test exec-7.2 {multiple I/O redirections} {
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exec < gorp.file << "command input" cat
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} {command input}
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# Long input to command and output from command.
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set a "0123456789 xxxxxxxxx abcdefghi ABCDEFGHIJK\n"
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set a [concat $a $a $a $a]
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set a [concat $a $a $a $a]
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set a [concat $a $a $a $a]
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set a [concat $a $a $a $a]
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test exec-8.1 {long input and output} {
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exec cat << $a
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} $a
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# Commands that return errors.
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test exec-9.1 {commands returning errors} {
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set x [catch {exec gorp456} msg]
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list $x $msg [lindex $errorCode 0] [lrange $errorCode 2 end]
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} {1 {couldn't find "gorp456" to execute} CHILDSTATUS 1}
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test exec-9.2 {commands returning errors} {
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set x [catch {exec foo123 | gorp456} msg]
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set x1 {couldn't find "foo123" to execute
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couldn't find "gorp456" to execute}
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set x2 {couldn't find "gorp456" to execute
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couldn't find "foo123" to execute}
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set y [expr {($msg == $x1) || ($msg == $x2)}]
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list $x $y [lindex $errorCode 0] [lrange $errorCode 2 end]
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} {1 1 CHILDSTATUS 1}
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test exec-9.3 {commands returning errors} {
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list [catch {exec sleep 1 | sh -c "exit 43" | sleep 1} msg] $msg
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} {1 {child process exited abnormally}}
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test exec-9.4 {commands returning errors} {
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list [catch {exec gorp456 | echo a b c} msg] $msg
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} {1 {a b c
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couldn't find "gorp456" to execute}}
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test exec-9.5 {commands returning errors} {
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list [catch {exec sh -c "echo error msg 1>&2"} msg] $msg
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} {1 {error msg}}
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test exec-9.6 {commands returning errors} {
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list [catch {exec sh -c "echo error msg 1>&2" | sh -c "echo error msg 1>&2"} msg] $msg
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} {1 {error msg
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error msg}}
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# Errors in executing the Tcl command, as opposed to errors in the
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# processes that are invoked.
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test exec-10.1 {errors in exec invocation} {
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list [catch {exec} msg] $msg
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} {1 {wrong # args: should be "exec ?switches? arg ?arg ...?"}}
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test exec-10.2 {errors in exec invocation} {
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list [catch {exec | cat} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.3 {errors in exec invocation} {
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list [catch {exec cat |} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.4 {errors in exec invocation} {
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list [catch {exec cat | | cat} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.5 {errors in exec invocation} {
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list [catch {exec cat | |& cat} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.6 {errors in exec invocation} {
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list [catch {exec cat |&} msg] $msg
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} {1 {illegal use of | or |& in command}}
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test exec-10.7 {errors in exec invocation} {
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list [catch {exec cat <} msg] $msg
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} {1 {can't specify "<" as last word in command}}
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test exec-10.8 {errors in exec invocation} {
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list [catch {exec cat >} msg] $msg
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} {1 {can't specify ">" as last word in command}}
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test exec-10.9 {errors in exec invocation} {
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list [catch {exec cat <<} msg] $msg
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} {1 {can't specify "<<" as last word in command}}
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test exec-10.10 {errors in exec invocation} {
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list [catch {exec cat >>} msg] $msg
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} {1 {can't specify ">>" as last word in command}}
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test exec-10.11 {errors in exec invocation} {
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list [catch {exec cat >&} msg] $msg
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} {1 {can't specify ">&" as last word in command}}
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test exec-10.12 {errors in exec invocation} {
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list [catch {exec cat >>&} msg] $msg
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} {1 {can't specify ">>&" as last word in command}}
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test exec-10.13 {errors in exec invocation} {
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list [catch {exec cat >@} msg] $msg
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} {1 {can't specify ">@" as last word in command}}
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test exec-10.14 {errors in exec invocation} {
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list [catch {exec cat <@} msg] $msg
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} {1 {can't specify "<@" as last word in command}}
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test exec-10.15 {errors in exec invocation} {
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list [catch {exec cat < a/b/c} msg] [string tolower $msg]
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} {1 {couldn't read file "a/b/c": no such file or directory}}
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test exec-10.16 {errors in exec invocation} {
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list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
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} {1 {couldn't write file "a/b/c": no such file or directory}}
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test exec-10.17 {errors in exec invocation} {
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list [catch {exec cat << foo > a/b/c} msg] [string tolower $msg]
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} {1 {couldn't write file "a/b/c": no such file or directory}}
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set f [open gorp.file w]
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test exec-10.18 {errors in exec invocation} {
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list [catch {exec cat <@ $f} msg] $msg
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} "1 {\"$f\" wasn't opened for reading}"
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close $f
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set f [open gorp.file r]
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test exec-10.19 {errors in exec invocation} {
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list [catch {exec cat >@ $f} msg] $msg
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} "1 {\"$f\" wasn't opened for writing}"
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close $f
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# Commands in background.
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test exec-11.1 {commands in background} {
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set x [lindex [time {exec sleep 2 &}] 0]
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expr $x<1000000
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} 1
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test exec-11.2 {commands in background} {
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list [catch {exec echo a &b} msg] $msg
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} {0 {a &b}}
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test exec-11.3 {commands in background} {
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llength [exec sleep 1 &]
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} 1
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test exec-11.4 {commands in background} {
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llength [exec sleep 1 | sleep 1 | sleep 1 &]
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} 3
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# Make sure that background commands are properly reaped when
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# they eventually die.
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exec sleep 3
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if $atBerkeley {
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test exec-12.1 {reaping background processes} {
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for {set i 0} {$i < 20} {incr i} {
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exec echo foo > /dev/null &
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}
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exec sleep 1
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catch {exec ps | fgrep "echo foo" | fgrep -v fgrep | wc} msg
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lindex $msg 0
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} 0
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test exec-12.2 {reaping background processes} {
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exec sleep 2 | sleep 2 | sleep 2 &
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catch {exec ps | fgrep "sleep 2" | fgrep -v fgrep | wc} msg
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set x [lindex $msg 0]
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|
|
exec sleep 3
|
||
|
|
catch {exec ps | fgrep "sleep 2" | fgrep -v fgrep | wc} msg
|
||
|
|
list $x [lindex $msg 0]
|
||
|
|
} {3 0}
|
||
|
|
test exec-12.3 {reaping background processes} {
|
||
|
|
exec sleep 1000 &
|
||
|
|
exec sleep 1000 &
|
||
|
|
set x [exec ps | fgrep "sleep 1000" | 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 1000" | fgrep -v fgrep | wc} msg
|
||
|
|
set x [lindex $msg 0]
|
||
|
|
|
||
|
|
foreach i $pids {
|
||
|
|
catch {exec kill -KILL $i}
|
||
|
|
}
|
||
|
|
catch {exec ps | fgrep "sleep 1000" | 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 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 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 _weirdo_command_} msg]
|
||
|
|
list $x $msg [lindex $errorCode 0] [lrange $errorCode 2 end]
|
||
|
|
} {1 {couldn't find "_weirdo_command_" to execute} CHILDSTATUS 1}
|
||
|
|
|
||
|
|
# Switches before the first argument
|
||
|
|
|
||
|
|
test exec-14.1 {-keepnewline switch} {
|
||
|
|
exec -keepnewline 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] $msg
|
||
|
|
} {1 {couldn't find "-gorp" to execute}}
|
||
|
|
|
||
|
|
# Redirecting standard error separately from standard output
|
||
|
|
|
||
|
|
test exec-15.1 {standard error redirection} {
|
||
|
|
exec echo "First line" > gorp.file
|
||
|
|
list [exec sh -c "echo foo bar 1>&2" 2> gorp.file] \
|
||
|
|
[exec cat gorp.file]
|
||
|
|
} {{} {foo bar}}
|
||
|
|
test exec-15.2 {standard error redirection} {
|
||
|
|
list [exec sh -c "echo foo bar 1>&2" | echo biz baz >gorp.file \
|
||
|
|
2> gorp.file2] [exec cat gorp.file] \
|
||
|
|
[exec cat gorp.file2]
|
||
|
|
} {{} {biz baz} {foo bar}}
|
||
|
|
test exec-15.3 {standard error redirection} {
|
||
|
|
list [exec sh -c "echo foo bar 1>&2" | echo biz baz 2>gorp.file \
|
||
|
|
> gorp.file2] [exec cat gorp.file] \
|
||
|
|
[exec 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 sh -c "echo foo bar 1>&2" 2>@ $f
|
||
|
|
puts $f "Line 3"
|
||
|
|
close $f
|
||
|
|
exec cat gorp.file
|
||
|
|
} {Line 1
|
||
|
|
foo bar
|
||
|
|
Line 3}
|
||
|
|
test exec-15.5 {standard error redirection} {
|
||
|
|
exec echo "First line" > gorp.file
|
||
|
|
exec sh -c "echo foo bar 1>&2" 2>> gorp.file
|
||
|
|
exec cat gorp.file
|
||
|
|
} {First line
|
||
|
|
foo bar}
|
||
|
|
test exec-15.6 {standard error redirection} {
|
||
|
|
exec sh -c "echo foo bar 1>&2" > gorp.file2 2> gorp.file \
|
||
|
|
>& gorp.file 2> gorp.file2 | echo biz baz
|
||
|
|
list [exec cat gorp.file] [exec cat gorp.file2]
|
||
|
|
} {{biz baz} {foo bar}}
|
||
|
|
|
||
|
|
if $atBerkeley {
|
||
|
|
test exec-16.1 {restore signal settings before exec} {
|
||
|
|
set f [open {|cat exec.test} r]
|
||
|
|
list [catch {close $f} msg] [string tolower $msg]
|
||
|
|
} {1 {child killed: write on pipe with no readers}}
|
||
|
|
}
|
||
|
|
|
||
|
|
catch {exec rm -f gorp.file}
|
||
|
|
catch {exec rm -f gorp.file2}
|
||
|
|
return {}
|