184 lines
3.8 KiB
HTML
184 lines
3.8 KiB
HTML
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<html>
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<title>date - Write the date and time</title>
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h2>date - Write the date and time</h2>
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<strong>Synopsis</strong>
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<p><strong>date [-u]</strong> [<em>+format</em>]</p>
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<p><strong>Description</strong></p>
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<p>The <strong>date</strong> utility writes the date and time to
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standard output. By default, the current date and time are
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written.</p>
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<p><strong>Options</strong></p>
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<dl>
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<dt><strong>-u</strong></dt>
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<dd>Give time in universal coordinated time (UTC). The QUTCOFFSET
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system value must be set correctly for <strong>date</strong> to
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return the correct time.</dd>
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</dl>
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<p><strong>Operands</strong></p>
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<p>The <em>+format</em> operand specifies the format of the output
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from the <strong>date</strong> command. Each field descriptor is
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replaced in the standard output by its corresponding value. All
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other characters are copied to the output without change. The
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output is always terminated with a newline character.</p>
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<p>You can use these field descriptors:</p>
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<dl>
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<dt><strong>%a</strong></dt>
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<dd>Insert abbreviated weekday name from locale.</dd>
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<dt><strong>%A</strong></dt>
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<dd>Insert full weekday name from locale.</dd>
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<dt><strong>%b</strong></dt>
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<dd>Insert abbreviated month name from locale.</dd>
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<dt><strong>%B</strong></dt>
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<dd>Insert full month name from locale.</dd>
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<dt><strong>%c</strong></dt>
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<dd>Insert date and time from locale.</dd>
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<dt><strong>%d</strong></dt>
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<dd>Insert day of the month (01-31).</dd>
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<dt><strong>%H</strong></dt>
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<dd>Insert hour (24-hour clock) as a decimal number (00-23).</dd>
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<dt><strong>%I</strong></dt>
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<dd>Insert hour (12-hour clock) as a decimal number (01-12).</dd>
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<dt><strong>%j</strong></dt>
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<dd>Insert day of the year (001-366).</dd>
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<dt><strong>%m</strong></dt>
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<dd>Insert month (01-12).</dd>
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<dt><strong>%M</strong></dt>
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<dd>Insert minute (00-59).</dd>
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<dt><strong>%p</strong></dt>
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<dd>Insert equivalent of either AM or PM from locale.</dd>
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<dt><strong>%S</strong></dt>
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<dd>Insert second (00-61).</dd>
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<dt><strong>%U</strong></dt>
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<dd>Insert week number of the year (00-53) where Sunday is the
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first day of the week.</dd>
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<dt><strong>%w</strong></dt>
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<dd>Insert weekday (0-6) where Sunday is 0. first day of the
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week.</dd>
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<dt><strong>%W</strong></dt>
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<dd>Insert week number of the year (00-53) where Monday is the
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first day of the week</dd>
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<dt><strong>%x</strong></dt>
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<dd>Insert date representation from locale.</dd>
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<dt><strong>%X</strong></dt>
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<dd>Insert time representation from locale.</dd>
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<dt><strong>%y</strong></dt>
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<dd>Insert year without the century (00-99).</dd>
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<dt><strong>%Y</strong></dt>
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<dd>Insert year.</dd>
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<dt><strong>%Z</strong></dt>
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<dd>Insert name of time zone, or no characters if time zone is not
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available.</dd>
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<dt><strong>%%</strong></dt>
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<dd>Insert %.</dd>
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</dl>
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<p><strong>Exit Status</strong></p>
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<ul>
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<li>0 when successful</li>
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<li>>0 when an error occurred</li>
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</ul>
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<strong>Examples</strong>
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<ol>
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<li>Print the full weekday name, the full month name, the day and
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the full year.
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<pre>
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date +@(#) 89 1.41@(#), 0 %d%, %Y
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Friday, August 14, 1998
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</pre>
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</li>
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<li>Print the day, the abbreviated month name, and the abbreviated
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year.
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<pre>
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date +%d%.%b%.%y
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14.Aug.98
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</pre>
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</li>
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<li>Print the numeric month, day, and abbreviated year.
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<pre>
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date +%m%/%d%/%y
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08/14/98
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</pre>
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</li>
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</ol>
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