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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 20:03:23 +0000 |
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| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 20:03:23 +0000 |
| commit | f316a2ed52195135a35e32d7096e876357c48c69 (patch) | |
| tree | 5f4486b9a5a213a69e66ef574d6bc643a207981c /doc/heredoc.html | |
| download | execline-f316a2ed52195135a35e32d7096e876357c48c69.tar.xz | |
initial commit: rc for execline-2.0.0.0
Diffstat (limited to 'doc/heredoc.html')
| -rw-r--r-- | doc/heredoc.html | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/doc/heredoc.html b/doc/heredoc.html new file mode 100644 index 0000000..f49f880 --- /dev/null +++ b/doc/heredoc.html @@ -0,0 +1,56 @@ +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <meta http-equiv="Content-Language" content="en" /> + <title>execline: the heredoc program</title> + <meta name="Description" content="execline: the heredoc program" /> + <meta name="Keywords" content="execline command heredoc here document" /> + <!-- <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>heredoc</tt> program </h1> + +<p> +<tt>heredoc</tt> runs a command with a certain string fed to a +file descriptor. +</p> + +<h2> Interface </h2> + +<pre> + heredoc [ -d ] <em>fd</em> <em>string</em> <em>prog...</em> +</pre> + +<ul> + <li> <tt>heredoc</tt> execs into <em>prog...</em> with +<em>string</em> available on the <em>fd</em> file +descriptor. </li> + <li> <em>string</em> must not contain a null character. </li> +</ul> + +<h2> Options </h2> + +<ul> + <li> <tt>-d</tt> : run the process feeding <em>string</em> to <em>fd</em> +as a grandchild of <tt>heredoc</tt>. This is meant to prevent a zombie +from hanging around if <em>prog...</em> has read <em>string</em> and fails +to wait for its children.</li> +</ul> + +<h2> Notes </h2> + +<ul> + <li> <tt>heredoc</tt> is meant to be used in place of the shell +<tt><<</tt> construct, which includes <em>here-documents</em> +into scripts. </li> +</ul> + +</body> +</html> |