isexe权限检测 - 编程技术参考——模具行业从业者必备知识手册

system 2

<h2>isexe</h2>

<p>Minimal module to check if a file is executable, and a normal file.</p>

<p>Uses <code>fs.stat</code> and tests against the <code>PATHEXT</code> environment variable on</p>
<p>Windows.</p>

<h3>USAGE</h3>

<pre><code>
var isexe = require('isexe')
isexe('some-file-name', function (err, isExe) {
if (err) {
console.error('probably file does not exist or something', err)
} else if (isExe) {
console.error('this thing can be run')
} else {
console.error('cannot be run')
}
})

// same thing but synchronous, throws errors
var isExe = isexe.sync('some-file-name')

// treat errors as just "not executable"
isexe('maybe-missing-file', { ignoreErrors: true }, callback)
var isExe = isexe.sync('maybe-missing-file', { ignoreErrors: true })
</code></pre>

<h4>isexe(path, [options], [callback])</h4>

<p>Check if the path is executable. If no callback provided, and a</p>
<p>global <code>Promise</code> object is available, then a Promise will be returned.</p>

<p>Will raise whatever errors may be raised by <code>fs.stat</code>, unless</p>
<p><code>options.ignoreErrors</code> is set to true.</p>

<h4>isexe.sync(path, [options])</h4>

<p>Same as <code>isexe</code> but returns the value and throws any errors raised.</p>

<h4>Options</h4>

<ul>
<li><code>ignoreErrors</code> Treat all errors as "no, this is not executable", but</li>
</ul>
<p> don't raise them.</p>
<ul>
<li><code>uid</code> Number to use as the user id</li>
<li><code>gid</code> Number to use as the group id</li>
<li><code>pathExt</code> List of path extensions to use instead of <code>PATHEXT</code></li>
</ul>
<p> environment variable on Windows.</p>

<hr>

<p>本文由模极社发布</p>

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