Armed with a Script: Demo Away.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Bahr, Alice Harrison
Format:	Recurso educativo Open Access
Language:	en
Published:	1995
Subjects:	Computer Software Selection Evaluation Integrated Library Systems Library Automation Library Technical Processes Outlining (Discourse) Vendors
Online Access:	Acceder al recurso
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author	Bahr, Alice Harrison
author_facet	Bahr, Alice Harrison Bahr, Alice Harrison
collection	Education Resources Information Center
contents	Armed with a Script: Demo Away. Bahr, Alice Harrison Computer Software Selection Evaluation Integrated Library Systems Library Automation Library Technical Processes Outlining (Discourse) Vendors New alternative models for selecting automated systems emphasize uniqueness of each institution, involve more staff, and do not rely on requests for proposals (RFPs). Vendor demonstrations are extremely important in the evaluation of system capabilities when RFPs are not used, and scripts prepared by institutions ensure that vendors focus on essential functions. Provides an example of a demonstration script. (JKP)
format	Recurso educativo Open Access
id	eric_EJ520254
institution	ERIC Institute of Education Sciences
language	en
publishDate	1995
record_format	eric
spellingShingle	Armed with a Script: Demo Away. Bahr, Alice Harrison Computer Software Selection Evaluation Integrated Library Systems Library Automation Library Technical Processes Outlining (Discourse) Vendors Armed with a Script: Demo Away. Bahr, Alice Harrison Computer Software Selection Evaluation Integrated Library Systems Library Automation Library Technical Processes Outlining (Discourse) Vendors New alternative models for selecting automated systems emphasize uniqueness of each institution, involve more staff, and do not rely on requests for proposals (RFPs). Vendor demonstrations are extremely important in the evaluation of system capabilities when RFPs are not used, and scripts prepared by institutions ensure that vendors focus on essential functions. Provides an example of a demonstration script. (JKP)
title	Armed with a Script: Demo Away.
topic	Computer Software Selection Evaluation Integrated Library Systems Library Automation Library Technical Processes Outlining (Discourse) Vendors
url	https://eric.ed.gov/?id=EJ520254

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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