Existence detection
id:
existence-detection-227-2409152
title:
Existence detection
text:
Existence checking or existence detection is an important aspect of many computer programs. An existence check before reading a file can catch and/or prevent a fatal error, for instance. For that reason, most programming language libraries contain a means of checking whether a file exists. An existence check can sometimes involve a "brute force" approach of checking all records for a given identifier, as in this Microsoft Excel Visual Basic for Applications code for detecting whether a worksheet
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Existence_detection
date created:
2010-02-24T05:30:38Z
date modified:
2024-09-15T00:10:38Z
main entity:
{"identifier":"Q5420350","url":"https://www.wikidata.org/entity/Q5420350"}
image:
fields total:
13
integrity:
14