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415e08d2a7
git-svn-id: https://svn.php.net/repository/phpdoc/es/trunk@305588 c90b9560-bf6c-de11-be94-00142212c4b1
141 lines
3.8 KiB
XML
141 lines
3.8 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 96c9d88bad9a7d7d44bfb7f26c226df7ee9ddf26 Maintainer: chuso Status: ready -->
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<chapter xml:id="expect.examples" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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&reftitle.examples;
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<section xml:id="expect.examples-usage">
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<title>Ejemplos de uso de Expect</title>
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<example>
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<title>Ejemplo de uso de Expect</title>
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<para>
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Este ejemplo conecta a un host remoto mediante SSH, y muestra el tiempo
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que lleva en funcionamiento dicho host con uptime.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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ini_set("expect.loguser", "Off");
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$stream = fopen("expect://ssh root@remotehost uptime", "r");
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$cases = array (
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array (0 => "password:", 1 => PASSWORD)
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);
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switch (expect_expectl ($stream, $cases)) {
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case PASSWORD:
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fwrite ($stream, "password\n");
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break;
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default:
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die ("Error al tratar de conectar con el host remoto\n");
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}
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while ($line = fgets($stream)) {
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print $line;
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}
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fclose ($stream);
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?>
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]]>
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</programlisting>
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</example>
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<para>
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El siguiente ejemplo conecta con un host remoto, determina si el SO instalado
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es de 32 o de 64 bits, y finalmente actualiza el paquete que corresponda.
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</para>
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<example>
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<title>Otro ejemplo de uso de Expect</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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ini_set("expect.timeout", -1);
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ini_set("expect.loguser", "Off");
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$stream = expect_popen("ssh root@remotehost");
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while (true) {
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switch (expect_expectl ($stream, array (
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array ("password:", PASSWORD), // SSH pide contraseña
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array ("yes/no)?", YESNO), // SSH pide si almacenar o no el host
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array ("~$ ", SHELL, EXP_EXACT), // ¡Hemos conectado!
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))) {
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case PASSWORD:
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fwrite ($stream, "secret\n");
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break;
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case YESNO:
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fwrite ($stream, "yes\n");
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break;
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case SHELL:
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fwrite ($stream, "uname -a\n");
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while (true) {
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switch (expect_expectl ($stream, array (
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array ("~$ ", SHELL, EXP_EXACT), // ¡Hemos conectado!
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array ("^Linux.*$", UNAME, EXP_REGEXP), // salida de uname -a
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), $match)) {
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case UNAME:
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$uname .= $match[0];
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break;
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case SHELL:
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// Run update:
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if (strstr ($uname, "x86_64")) {
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fwrite ($stream, "rpm -Uhv http://mirrorsite/somepath/some_64bit.rpm\n");
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} else {
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fwrite ($stream, "rpm -Uhv http://mirrorsite/somepath/some_32bit.rpm\n");
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}
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fwrite ($stream, "exit\n");
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break 2;
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case EXP_TIMEOUT:
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case EXP_EOF:
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break 2;
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default:
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die ("Ha ocurrido un error\n");
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}
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}
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break 2;
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case EXP_TIMEOUT:
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case EXP_EOF:
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break 2;
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default:
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die ("Ha ocurrido un error\n");
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}
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}
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fclose ($stream);
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?>
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]]>
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</programlisting>
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</example>
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</section>
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</chapter>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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