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Diffstat (limited to 'doc/importas.html')
| -rw-r--r-- | doc/importas.html | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/doc/importas.html b/doc/importas.html index 0bd8246..280f527 100644 --- a/doc/importas.html +++ b/doc/importas.html @@ -3,9 +3,9 @@ <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 importas program</title> - <meta name="Description" content="execline: the importas program" /> - <meta name="Keywords" content="execline command importas import environment variable" /> + <title>execline: the $ program</title> + <meta name="Description" content="execline: the $ program" /> + <meta name="Keywords" content="execline command $ import environment variable" /> <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> --> </head> <body> @@ -16,28 +16,28 @@ <a href="//skarnet.org/">skarnet.org</a> </p> -<h1> The <tt>importas</tt> program </h1> +<h1> The <tt>$</tt> program </h1> <p> -<tt>importas</tt> replaces a literal with the value of an +<tt>$</tt> replaces a literal with the value of an environment variable, then executes another program. </p> <h2> Interface </h2> <pre> - importas [ -i | -D default ] [ -u ] [ -s ] [ -C | -c ] [ -n ] [ -d <em>delim</em> ] <em>variable</em> <em>envvar</em> <em>prog...</em> + $ [ -i | -D default ] [ -u ] [ -s ] [ -C | -c ] [ -n ] [ -d <em>delim</em> ] <em>variable</em> <em>envvar</em> <em>prog...</em> </pre> <ul> - <li> <tt>importas</tt> fetches the value of <em>envvar</em> in the + <li> <tt>$</tt> fetches the value of <em>envvar</em> in the environment. If neither the <em>-D</em> nor the <em>-i</em> option is given, and <em>envvar</em> is undefined, <strong>no word</strong> is returned (that is different from the empty word). </li> - <li> <tt>importas</tt> then performs + <li> <tt>$</tt> then performs <a href="el_substitute.html">variable substitution</a> on <em>prog...</em>, with <em>variable</em> as key and that string as value. - <li><tt>importas</tt> then execs into the modified <em>prog...</em>. </li> + <li><tt>$</tt> then execs into the modified <em>prog...</em>. </li> </ul> <h2> Options </h2> @@ -48,11 +48,11 @@ with <em>variable</em> as key and that string as value. <em>variable</em> instead of no word. For instance, to substitute the empty word, use <tt>-D ""</tt>. </li> <li> <tt>-i</tt> : Insist. If <em>envvar</em> is undefined, -<tt>importas</tt> will not do anything; instead, it will exit 100 with an +<tt>$</tt> will not do anything; instead, it will exit 100 with an error message. This has precedence over any <tt>-D</tt> option. </li> <li> <tt>-u</tt> : Unexport. <em>envvar</em> will be removed from -the environment after the substitution. <tt>importas -u <em>variable</em> -<em>envvar</em></tt> is equivalent to <tt>importas <em>variable</em> +the environment after the substitution. <tt>$ -u <em>variable</em> +<em>envvar</em></tt> is equivalent to <tt>$ <em>variable</em> <em>envvar</em> unexport <em>envvar</em></tt>. </li> <li> Other options are used to <a href="el_transform.html">control the substitution mechanism</a>. </li> |