<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>fileTime -- get or set file modified time</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_copy__File_lp__String_cm__String_rp.html">next</a> | <a href="_is__Directory.html">previous</a> | <a href="_copy__File_lp__String_cm__String_rp.html">forward</a> | <a href="_is__Directory.html">backward</a> | <a href="_file_spmanipulation.html">up</a> | <a href="index.html">top</a> | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <div><a href="index.html" title="">Macaulay2Doc</a> > <a href="___The_sp__Macaulay2_splanguage.html" title="">The Macaulay2 language</a> > <a href="_file_spmanipulation.html" title="Unix file manipulation functions">file manipulation</a> > <a href="_file__Time.html" title="get or set file modified time">fileTime</a></div> <hr/> <div><h1>fileTime -- get or set file modified time</h1> <div class="single"><h2>Synopsis</h2> <ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>fileTime s or fileTime(t,s)</tt></div> </dd></dl> </div> </li> <li><div class="single">Inputs:<ul><li><span><tt>t</tt>, <span>an <a href="___Z__Z.html">integer</a></span>, if present, the file-modified-time will be set to this value</span></li> <li><span><tt>s</tt>, <span>a <a href="___String.html">string</a></span>, the name of a file</span></li> </ul> </div> </li> <li><div class="single">Consequences:<ul><li><tt>fileTime(t,s)</tt> sets the last modified time for the file <tt>s</tt> to <tt>t</tt>, and returns <tt>null</tt> if no error occurs</li> </ul> </div> </li> <li><div class="single">Outputs:<ul><li><span><span>an <a href="___Z__Z.html">integer</a></span>, the last modified date of the file with name <tt>s</tt></span></li> </ul> </div> </li> </ul> </div> <div class="single"><h2>Description</h2> <div>The value is the number of seconds since 00:00:00 1970-01-01 UTC, the beginning of the epoch, so the number of seconds ago a file or directory was modified may be found by using the following code.<table class="examples"><tr><td><pre>i1 : currentTime() - fileTime "." o1 = 1</pre> </td></tr> </table> </div> </div> <div class="single"><h2>See also</h2> <ul><li><span><a href="_current__Time.html" title="get the current time">currentTime</a> -- get the current time</span></li> <li><span><a href="_file_spmanipulation.html" title="Unix file manipulation functions">file manipulation</a> -- Unix file manipulation functions</span></li> </ul> </div> </div> </body> </html>