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Main Authors:	FLANNERY, ANNE, MACK, JAMES D.
Format:	Recurso educativo Open Access
Language:	en
Published:	1966
Subjects:	Automation College Libraries Computers Data Processing Library Circulation Library Equipment Systems Analysis
Online Access:	https://eric.ed.gov/?id=ED015762
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_version_	1867181094609092608
author	FLANNERY, ANNE MACK, JAMES D.
author_facet	FLANNERY, ANNE MACK, JAMES D. FLANNERY, ANNE MACK, JAMES D.
collection	Education Resources Information Center
contents	MECHANIZED CIRCULATION SYSTEM, LEHIGH UNIVERSITY LIBRARY. LIBRARY SYSTEMS ANALYSIS, REPORT NUMBER 4. FLANNERY, ANNE MACK, JAMES D. Automation College Libraries Computers Data Processing Library Circulation Library Equipment Systems Analysis A MECHANIZED CIRCULATION SYSTEM CURRENTLY IN OPERATION AT LEHIGH UNIVERSITY HAS PROVEN TO GIVE RELIABLE CONTROL OF CIRCULATION ALTHOUGH IT HAS NOT SAVED ON OPERATING COSTS. WHEN THE STUDY WAS UNDERTAKEN TO DETERMINE THE FEASIBILITY OF CHANGING FROM THE PREVIOUS MANUAL SYSTEM TO THE CURRENT ONE, THE LIBRARY WAS SERVING A STUDENT BODY OF 4500 STUDENTS AS WELL AS 3000 NON-UNIVERSITY PATRONS AND 275 FULL TIME FACULTY MEMBERS. THE CIRCULATION AT THAT TIME WAS ABOUT 151,000 ITEMS A YEAR AND WAS CREATING PROBLEMS OF CONTROL AND CURRENCY OF INFORMATION. WITH THE NEW SYSTEM, LOANS ARE RECORDED FROM KEYPUNCHED BOOK CARDS AND BORROWERS' IDENTIFICATION BADGES BY MEANS OF AN IBM 357 DATA COLLECTOR TO PRODUCE TRANSACTION RECORDS. DAILY THESE RECORDS ARE USED TO UPDATE IN A GE 225 COMPUTER THE TAPE CIRCULATION RECORD AND TO PRODUCE A NEW PRINTED CIRCULATION RECORD AND A STATISTICAL ANALYSIS OF THE LOAN. OTHER PROCEDURES IN THE SYSTEM PROVIDE FOR AUTOMATIC HANDLING OF OVERDUE AND FINE NOTICES AND FOR MAKING RECALLS FOR BOOKS WANTED BY OTHER PERSONS. BESIDES THE SPECIFIC COST DATA GIVEN THROUGHOUT THE REPORT, EXAMPLES OF AND INFORMATION ABOUT THE SEVERAL PRINTOUTS ARE GIVEN IN THE APPENDICES. (CM)
format	Recurso educativo Open Access
id	eric_ED015762
institution	ERIC Institute of Education Sciences
language	en
publishDate	1966
record_format	eric
spellingShingle	MECHANIZED CIRCULATION SYSTEM, LEHIGH UNIVERSITY LIBRARY. LIBRARY SYSTEMS ANALYSIS, REPORT NUMBER 4. FLANNERY, ANNE MACK, JAMES D. Automation College Libraries Computers Data Processing Library Circulation Library Equipment Systems Analysis MECHANIZED CIRCULATION SYSTEM, LEHIGH UNIVERSITY LIBRARY. LIBRARY SYSTEMS ANALYSIS, REPORT NUMBER 4. FLANNERY, ANNE MACK, JAMES D. Automation College Libraries Computers Data Processing Library Circulation Library Equipment Systems Analysis A MECHANIZED CIRCULATION SYSTEM CURRENTLY IN OPERATION AT LEHIGH UNIVERSITY HAS PROVEN TO GIVE RELIABLE CONTROL OF CIRCULATION ALTHOUGH IT HAS NOT SAVED ON OPERATING COSTS. WHEN THE STUDY WAS UNDERTAKEN TO DETERMINE THE FEASIBILITY OF CHANGING FROM THE PREVIOUS MANUAL SYSTEM TO THE CURRENT ONE, THE LIBRARY WAS SERVING A STUDENT BODY OF 4500 STUDENTS AS WELL AS 3000 NON-UNIVERSITY PATRONS AND 275 FULL TIME FACULTY MEMBERS. THE CIRCULATION AT THAT TIME WAS ABOUT 151,000 ITEMS A YEAR AND WAS CREATING PROBLEMS OF CONTROL AND CURRENCY OF INFORMATION. WITH THE NEW SYSTEM, LOANS ARE RECORDED FROM KEYPUNCHED BOOK CARDS AND BORROWERS' IDENTIFICATION BADGES BY MEANS OF AN IBM 357 DATA COLLECTOR TO PRODUCE TRANSACTION RECORDS. DAILY THESE RECORDS ARE USED TO UPDATE IN A GE 225 COMPUTER THE TAPE CIRCULATION RECORD AND TO PRODUCE A NEW PRINTED CIRCULATION RECORD AND A STATISTICAL ANALYSIS OF THE LOAN. OTHER PROCEDURES IN THE SYSTEM PROVIDE FOR AUTOMATIC HANDLING OF OVERDUE AND FINE NOTICES AND FOR MAKING RECALLS FOR BOOKS WANTED BY OTHER PERSONS. BESIDES THE SPECIFIC COST DATA GIVEN THROUGHOUT THE REPORT, EXAMPLES OF AND INFORMATION ABOUT THE SEVERAL PRINTOUTS ARE GIVEN IN THE APPENDICES. (CM)
title	MECHANIZED CIRCULATION SYSTEM, LEHIGH UNIVERSITY LIBRARY. LIBRARY SYSTEMS ANALYSIS, REPORT NUMBER 4.
topic	Automation College Libraries Computers Data Processing Library Circulation Library Equipment Systems Analysis
url	https://eric.ed.gov/?id=ED015762

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'

Environment & details:

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Environment & details:

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PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1784820788.2503
REQUEST_TIME	1784820788

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

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