blob: 8bcb463f6712fd3f129ccf19013a4cc3cdbaf876 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<meta http-equiv="Content-Language" content="en" />
<title>execline: the ! program</title>
<meta name="Description" content="execline: the ! program" />
<meta name="Keywords" content="execline command ! process id variable" />
<!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> -->
</head>
<body>
<p>
<a href="index.html">execline</a><br />
<a href="//skarnet.org/software/">Software</a><br />
<a href="//skarnet.org/">skarnet.org</a>
</p>
<h1> The <tt>!</tt> program </h1>
<p>
<tt>!</tt> stores its process ID in a given environment variable,
then executes a program.
</p>
<h2> Interface </h2>
<pre>
! <em>var</em> <em>prog...</em>
</pre>
<p>
<tt>!</tt> stores its PID in the <em>var</em> variable, then
execs into <em>prog</em> with its arguments.
</p>
<h2> Notes </h2>
<ul>
<li> <em>var</em> must be given without a dollar ! </li>
<li> <em>var</em> must not contain <tt>=</tt>. </li>
</ul>
</body>
</html>
|
