31.3 SRFI 22

The SRFI 22 describes basic prerequisites for running Scheme programs as Unix scripts in a uniform way. A file (henceforth a scipt) conforming SRFI 22 has the following syntax:

<script>         → <script prelude>? <program>
<script prelude> → #! <space> <all but linebreak>* <linebreak>

A Scheme script interpreter loads the <script>. It ignores the script prelude and interprets the rest of the file according to the language dialect specified by the name of the interpreter.

The Scheme script interpreter may also load a different file after making a reasonable check that loading it is semantically equivalent to loading <script>. For example, the script interpreter may assume that a file with a related name (say, with an additional extension) is a compiled version of <script>.

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