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annotate docs/nitros9guide/tee.refentry @ 2909:b71f67993fe0

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level2/coco3/makefile: Use OS9FORMAT macro
author Tormod Volden <debian.tormod@gmail.com>
date Sat, 11 Jan 2014 20:56:53 +0100
parents 4dae346c4969
children
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1 <refentry id="tee">
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2 <refnamediv>
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3 <refname>TEE</refname>
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4 <refpurpose>Copy standard input to multiple output paths</refpurpose>
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5 </refnamediv>
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6
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7 <refsynopsisdiv>
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8 <cmdsynopsis>
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9 <command>tee</command>
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10 <arg choice="plain">
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11 &repeatst;<replaceable>path</replaceable>&repeaten;
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12 </arg>
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13 </cmdsynopsis>
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14 </refsynopsisdiv>
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15
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16 <refsect1><title>Description</title>
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17
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18 <para>
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19 This command is a filter (see <xref linkend="sec4.3.3"/>) that copies all text lines from
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20 its standard input path to the standard output path
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21 <emphasis>and</emphasis> any number
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22 of additional output paths whose pathlists are given as parameters.
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23 </para>
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24 <para>
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25 The example below uses a pipeline and <command>tee</command> to simultaneously send the
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26 output listing of the <command>dir</command> command to the terminal, printer, and a
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27 disk file:
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28 </para>
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29 <screen>
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30 dir e ! tee /printer /d0/dir.listing
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31 </screen>
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32 <para>
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33 The following example sends the output of an assembler listing to a
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34 disk file and the printer:
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35 </para>
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36 <screen>
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37 asm pgm.src l ! tee pgm.list &gt;/printer
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38 </screen>
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39 <para>
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40 The example below &quot;broadcasts&quot; a message to four terminals:
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41 </para>
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42 <screen>
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43 echo WARNING System down in 10 minutes ! tee /t1 /t2 /t3 /t4
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44 </screen>
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45 </refsect1>
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46 </refentry>
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47