111 lines
4.9 KiB
HTML
111 lines
4.9 KiB
HTML
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ASDF Copyright (C) 2001-2019 Daniel Barlow and contributors.
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This manual Copyright (C) 2001-2019 Daniel Barlow and contributors.
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This manual revised (C) 2009-2019 Robert P. Goldman and Francois-Rene Rideau.
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<title>Shell-friendly syntax for configuration (ASDF Manual)</title>
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<link href="Concept-Index.html" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Controlling-where-ASDF-searches-for-systems.html" rel="up" title="Controlling where ASDF searches for systems">
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<div class="section" id="Shell_002dfriendly-syntax-for-configuration">
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<div class="header">
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<p>
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Next: <a href="Search-Algorithm.html" accesskey="n" rel="next">Search Algorithm</a>, Previous: <a href="Configuration-Directories.html" accesskey="p" rel="prev">Configuration Directories</a>, Up: <a href="Controlling-where-ASDF-searches-for-systems.html" accesskey="u" rel="up">Controlling where ASDF searches for systems</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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<hr>
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<span id="Shell_002dfriendly-syntax-for-configuration-1"></span><h3 class="section">8.7 Shell-friendly syntax for configuration</h3>
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<p>When considering environment variable <code>CL_SOURCE_REGISTRY</code>
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ASDF will skip to next configuration if it’s an empty string.
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It will <code>READ</code> the string as a SEXP in the DSL
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if it begins with a paren <code>(</code>,
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otherwise it will be interpreted much like <code>TEXINPUTS</code>,
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as a list of paths, where
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</p>
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<ul>
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<li> paths are separated by a <code>:</code> (colon) on Unix platforms
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(including cygwin), by a <code>;</code> (semicolon) on other platforms
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(mainly, Windows).
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</li><li> each entry is a directory to add to the search path.
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</li><li> if the entry ends with a double slash <code>//</code> then it instead
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indicates a tree in the subdirectories of which to recurse.
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</li><li> if the entry is the empty string (which may only appear once),
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then it indicates that the inherited configuration should be spliced
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there.
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</li></ul>
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