A Systematic Method for Reducing Overordering Copies of Books

Fuente: ERIC Institute of Education Sciences

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Bibliographic Details
Main Author:	Goyal, S. K.
Format:	Recurso educativo Open Access
Language:	en
Published:	1972
Subjects:	Libraries Library Acquisition Library Collections Library Material Selection Purchasing
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

A Comparison of Two Out-of-Print Book Buying Methods
by: Kim, Ung Chon
Published: (1973)

Selecting and Using a Core-Reference Collection. Second Edition.
by: Nichols, Margaret Irby
Published: (1993)

Approval Plan Purchasing in Perspective
by: Dobbyn, Margaret
Published: (1972)

Methods Used in Out-of-Print Acquisition; A Survey of Out-of-Print Book Dealers
by: Mitchell, Betty J.
Published: (1973)

Approval Plans: Vendor Responsibility and Library Research. A Literature Survey and Discussion
by: McCullough, Kathleen
Published: (1972)

Books and Periodicals.
by: Lonardo, Michael, et al.
Published: (1994)

An Identification of Problems Relating to Federal Procurement of Library Materials Prepared for Commission on Government Procurement.
Published: (1970)

Approval Plans in ARL Libraries. Kit 83.
by: Leonhardt, Thomas W.
Published: (1982)

Review of Lease-Purchase Book Plans
Published: (1969)

Policies of Publishers: A Handbook for Order Librarians.
by: Kim, Ung Chon
Published: (1976)

An Acquisitions Up-Date for Government Publications
by: Welsh, Harry E.
Published: (1977)

Book Selection: An Approach for Small and Medium-Sized Libraries
by: Jenks, George M.
Published: (1972)

Collection Development Policy.
by: Dole, Wanda V., et al.
Published: (1996)

The Simple Theory of Public Library Services.
by: Newhouse, Joseph P.
Published: (1970)

Blind Spots in Collection Development.
by: Olson, Lowell E.
Published: (1985)

Characteristics of Automated Acquisitions Systems in Organizations Belonging to the Association of Higher Education of North Texas.
by: Johnson-Blount, Theresa
Published: (1990)

Serials Acquisition Problems in Developing Countries: The Zambian Experience.
by: Lungu, Charles B. M.
Published: (1985)

Proceedings of the LARC Institute on Acquisitions Systems and Subsystems (Lake Geneva, Wisconsin, May 25-26, 1972).
by: Axford, H. William, Ed.
Published: (1973)

Approval Plans and Academic Libraries: An Interpretive Survey.
by: McCullough, Kathleen, et al.
Published: (1977)

The Acquisition of Library Microforms: Part II
by: Sullivan, Robert C.
Published: (1977)

The Effect of the Thor Ruling on School Librarian's Ability to Obtain Copies of Children's Literature and Reference Materials in Atlanta Public Schools.
by: Van Liew, Gayle Dorothy
Published: (1986)

An Investigation of Domestic Approval Plan Return Rates by Academic Subjects before and after Subject Reprofiling at a Medium-Sized Academic Library.
by: Herbert, Ida L.
Published: (1991)

Nonprint Materials in the Small Library.
by: Lewis, Shirley
Published: (1985)

How the Birds (Pigeons) & Bees & Butterflies Do It
by: Bromberg, Erik
Published: (1970)

Science and Technology: A Purchase Guide for Branch and Public Libraries. 1977.
by: Stonehouse, Marie Louise, Ed.
Published: (1978)

Microcomputer Software Collections.
by: Demas, Samuel
Published: (1985)

It's out of Print? What Libraries Need to Know.
by: Williams, Wilda W.
Published: (1991)

School of Oriental and African Studies: A Form for the Financial Control of Book Ordering
by: Scholfield, J. L.
Published: (1972)

Coordinating Cooperative Collection Development: A National Perspective.
Published: (1985)

Budgeting for Media Selection and Ordering
by: Moss, Carol E.
Published: (1976)

Sources and Types of Software.
by: Trautman, Rodes
Published: (1987)

Of Manuscripts and Archives
by: Lovett, Robert W.
Published: (1973)

Historiography: Its Implications for Building Library Collections
by: MacPherson, Mary
Published: (1976)

The Long-Term Effects of Approval Plans
by: Wilden-Hart, Marion
Published: (1970)

New Worlds to Conquer . . . Selecting Media in the 1980s.
by: Cyr, Helen W.
Published: (1986)

Selecting Really Excellent Software for Young Adults.
by: Polly, Jean Armour
Published: (1985)

An Embarrassment of Riches: Consideration of Special Library Materials in the Smaller Library.
by: Dwyer, Charles L.
Published: (1972)

The Development of Working Collections in University Libraries
by: Rice, Barbara A.
Published: (1977)

Acquisition Policy for University Libraries: Selection or Collection
by: Meyer, Betty J., et al.
Published: (1970)

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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