1 files changed, 43 insertions, 0 deletions
diff --git a/doc/fdswap.html b/doc/fdswap.html
new file mode 100644
index 0000000..5f353dc
--- /dev/null
+++ b/doc/fdswap.html
@@ -0,0 +1,43 @@
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+    <meta http-equiv="Content-Language" content="en" />
+    <title>execline: the fdswap program</title>
+    <meta name="Description" content="execline: the fdswap program" />
+    <meta name="Keywords" content="execline command fdswap file descriptor dup dup2" />
+    <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> -->
+  </head>
+<body>
+
+<p>
+<a href="index.html">execline</a><br />
+<a href="http://skarnet.org/software/">Software</a><br />
+<a href="http://skarnet.org/">skarnet.org</a>
+</p>
+
+<h1> The <tt>fdswap</tt> program </h1>
+
+<p>
+<tt>fdswap</tt> swaps two file descriptors, then
+executes a program.
+</p>
+
+<h2> Interface </h2>
+
+<pre>
+     fdswap <em>fd1</em> <em>fd2</em> <em>prog...</em>
+</pre>
+
+<p>
+<tt>fdswaps</tt> swaps file descriptors numbered <em>fd1</em> and
+<em>fd2</em>, then execs into <em>prog</em> with its arguments.
+</p>
+
+<h2> Notes </h2>
+
+<ul>
+ <li> fdswap has no portable shell equivalent. </li>
+</ul>
+
+</body>
+</html>