Library Computerisation in Areas Remote from Major Centres of Computerisation: Some Influencing Factors.

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Lodder, N. Margaret
Format:	Recurso educativo Open Access
Language:	en
Published:	1984
Subjects:	Developing Nations Distance Foreign Countries Institutional Cooperation Library Automation Problem Solving Problems Technological Advancement
Online Access:	Acceder al recurso
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author	Lodder, N. Margaret
author_facet	Lodder, N. Margaret Lodder, N. Margaret
collection	Education Resources Information Center
contents	Library Computerisation in Areas Remote from Major Centres of Computerisation: Some Influencing Factors. Lodder, N. Margaret Developing Nations Distance Foreign Countries Institutional Cooperation Library Automation Problem Solving Problems Technological Advancement Identifies problems experienced when libraries introduce computerized systems in countries remote from major centers of development, i.e., level of expertise, limited market, financial aspects, type of hardware and software available. Solutions to problems through cooperation and coordination of library computerization and Republic of South Africa experiences are discussed. (12 references) (EJS)
format	Recurso educativo Open Access
id	eric_EJ308748
institution	ERIC Institute of Education Sciences
language	en
publishDate	1984
record_format	eric
spellingShingle	Library Computerisation in Areas Remote from Major Centres of Computerisation: Some Influencing Factors. Lodder, N. Margaret Developing Nations Distance Foreign Countries Institutional Cooperation Library Automation Problem Solving Problems Technological Advancement Library Computerisation in Areas Remote from Major Centres of Computerisation: Some Influencing Factors. Lodder, N. Margaret Developing Nations Distance Foreign Countries Institutional Cooperation Library Automation Problem Solving Problems Technological Advancement Identifies problems experienced when libraries introduce computerized systems in countries remote from major centers of development, i.e., level of expertise, limited market, financial aspects, type of hardware and software available. Solutions to problems through cooperation and coordination of library computerization and Republic of South Africa experiences are discussed. (12 references) (EJS)
title	Library Computerisation in Areas Remote from Major Centres of Computerisation: Some Influencing Factors.
topic	Developing Nations Distance Foreign Countries Institutional Cooperation Library Automation Problem Solving Problems Technological Advancement
url	https://eric.ed.gov/?id=EJ308748

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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