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<head><title>input -- read Macaulay2 commands and echo</title>
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<div><a href="index.html" title="">Macaulay2Doc</a> > <a href="___The_sp__Macaulay2_splanguage.html" title="">The Macaulay2 language</a> > <a href="_system_spfacilities.html" title="">system facilities</a> > <a href="_input.html" title="read Macaulay2 commands and echo">input</a></div>
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<div><h1>input -- read Macaulay2 commands and echo</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>input fn</tt></div>
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<li><div class="single">Inputs:<ul><li><span><tt>fn</tt>, <span>a <a href="___String.html">string</a></span></span></li>
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<li><div class="single">Consequences:<ul><li>reads and executes the commands found in the file whose name is contained in the string <tt>fn</tt>, echoing the input, printing the values, and incrementing the line number</li>
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<div class="single"><h2>Description</h2>
<div><p>The file is sought in the directory containing the file currently being loaded, if any, and then along the <a href="_path.html" title="list of directories to look in">path</a>, unless the name of the file begins with <tt>/</tt>, <tt>~/</tt>, <tt>$</tt>, or <tt>!</tt>. If the file begins with <tt>./</tt> or <tt>../</tt>, then it looks instead in the directory of the file currently being loaded (see <a href="_current__File__Directory.html" title="the directory containing the current input file">currentFileDirectory</a>). If no file is being loaded it will look in the current directory (see <a href="_current__Directory.html" title="current working directory">currentDirectory</a>).</p>
<p>If one of the top level expressions in the file evaluates to the symbol <a href="_end.html" title="stop loading a file">end</a> the reading of the file is stopped at that point.</p>
<p>If an error occurs while evaluating the expressions in the file, reading is stopped.</p>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_path.html" title="list of directories to look in">path</a> -- list of directories to look in</span></li>
<li><span><a href="_needs.html" title="read Macaulay2 commands if necessary">needs</a> -- read Macaulay2 commands if necessary</span></li>
<li><span><a href="_load.html" title="read Macaulay2 commands">load</a> -- read Macaulay2 commands</span></li>
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