Portrait: Carolyn Clark Morrow.

Fuente: ERIC Institute of Education Sciences

Saved in:

Bibliographic Details
Main Author:	Deitch, Joseph
Format:	Recurso educativo Open Access
Language:	en
Published:	1992
Subjects:	College Libraries Higher Education Librarians Library Collection Development Library Materials Microfilm Preservation
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

The Micrographics Program of the American Jewish Archives.
by: Proffitt, Kevin
Published: (1986)

Microfilming in the Helsinki University Library.
by: Pietila, Anna-Maija
Published: (1994)

The Organizational Phase of Project Open Book: A Report to the Commission on Preservation and Access.
by: Waters, Donald, et al.
Published: (1993)

Digital-to-Microfilm Conversion: An Interim Preservation Solution.
by: Kenney, Anne R.
Published: (1993)

A Guide to the Microform Collections in the Sterling C. Evans Library. Third Edition.
by: Page, Bill, Ed., et al.
Published: (1988)

Options for Replacing and Reformatting Deteriorated Materials.
by: Banks, Jennifer
Published: (1993)

A Means to a Different End-A Survey of the Negative Microfilm Collection at Yale.
by: Walls, David
Published: (2000)

Report on the Preservation Planning Project: University of Pennsylvania Libraries.
by: Sparks, Peter G., Comp.
Published: (1991)

Microfilming for the Safety of Library Materials.
by: Senadeera, N. T. S. A.
Published: (1991)

Academic Library Administration: A Case Examination of Faculty-Librarian Perceptions of Journal Cancellations and the Decision-Making Process in a Large, Urban Institution.
by: Walther, James Harmon
Published: (2003)

Lessons Learned in the Trenches: Preservation Microfilming after Thirteen Years.
by: Berger, Barbara
Published: (1999)

Preservation as a Cooperative Effort: Intra- and Interinstitutional Activities.
by: Heitshu, Sara
Published: (1992)

Selection for Preservation: A Materialistic Approach and Costs Associated with Preservation Microfilming.
by: Atkinson, Ross W., et al.
Published: (1986)

The Organizational Phase of Project Open Book.
by: Waters, Donald, et al.
Published: (1992)

Preservation: The Forgotten Problem.
by: Battin, Patricia
Published: (1982)

The University of Michigan Brittle Book Microfilming Program: A Cost Study and Containing Preservation Microfilming Costs at the University of Michigan Library.
by: Gertz, Janet, et al.
Published: (1987)

Promoting Microform Collections in the Library.
by: McIntosh, Melinda
Published: (1982)

Developing a Preservation Microfilming Program
by: Darling, Pamela W.
Published: (1974)

Southeast Asia Newspaper Collecting in the United States.
by: Riedy, Allen
Published: (1999)

Microfilm Conversion in an Academic Physics Library.
by: Marion, Donald J.
Published: (1981)

The Setup Phase of Project Open Book: A Report to the Commission on Preservation and Access on the Status of an Effort To Convert Microfilm to Digital Imagery.
by: Conway, Paul, et al.
Published: (1994)

The Preservation Officer's Role in Collection Development.
by: Cunningham-Kruppa, Ellen
Published: (1992)

Protecting Libraries for Lifelong Learning.
by: Loveland, Erma Jean
Published: (1991)

The Preservation of Library Materials: A CUL Handbook. Guidelines and Procedures. 4th Edition.
by: Harger, Elaine, et al.
Published: (1987)

Creating a Micropublishing Project: A Non-Commercial Perspective.
by: Ronen, Naomi
Published: (1982)

Liaison with Teaching Faculty and Collaborative Collection Development: An Annotated Selective Bibliography of Journal Literature.
by: Gerstein, Christine Wondolowski
Published: (1994)

Principles for the Conservation and Restoration of Collections in Libraries.
by: Dureau, Jeanne M.
Published: (1979)

The Effectiveness of Book Selection Agents in a Small Academic Library.
by: Millson-Martula, Christopher
Published: (1985)

Kanada Shinbun (The Canada Daily News) and Nikkan Minshu (The Daily People) for 1941 on Microfilm: A Preservation Microfilming Project at the University of British Columbia Library.
by: Gonnami, Tsuneharu
Published: (1995)

The Collection Development Officer as Part of the Preservation Team, or the Y'all Come Approach to Preservation.
by: Dannelly, Gay
Published: (1992)

The Preservation of Library Materials: A CUL Handbook: Guidelines and Procedures.
Published: (1980)

Fiche or File for COM Catalogs: Two Use Tests.
by: Hodges, Theordora, et al.
Published: (1982)

Selector's Manual. University Libraries, University of Tennessee, Knoxville, Tennessee.
by: Bridges, Anne, Comp., et al.
Published: (1992)

From Microfilm to Digital Imagery.
by: Waters, Donald J.
Published: (1991)

The Changing Role of Book Repair in ARL Libraries. SPEC Kit #190.
by: Silverman, Randy, Comp., et al.
Published: (1993)

Disaster Preparedness.
by: Brooks, Constance
Published: (1993)

Library Collections Development and Maintenance Policies and Procedures Manual.
by: Tubesing, Richard
Published: (1989)

Microfilm Consolidation: The Most Economical Way to Achieve Maximum Space Utilization.
by: Burke, Pierre
Published: (1982)

Collection Maintenance and Improvement.
by: Byrne, Sherry
Published: (1993)

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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