there is no | ||||||||||||||||
Type | operator | |||||||||||||||
Dictionary | LCS | |||||||||||||||
Library | LiveCode Script | |||||||||||||||
Syntax |
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Synonyms | there is not a,there is not an | |||||||||||||||
Summary | Evaluates to false if the specified object, file, or folder, or process exists, true otherwise. | |||||||||||||||
Introduced | 1.0 | |||||||||||||||
OS | mac, windows, linux, ios, android | |||||||||||||||
Platforms | desktop, server, mobile | |||||||||||||||
Parameters |
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Example |
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Related | Keyword: file Operator: there is a Function: openProcesses, exists Glossary: folder, operator, evaluate, precedence, process, object Control Structure: function | |||||||||||||||
Security | disk, process | |||||||||||||||
Description | Use the there is no operator to make sure an object or file does not yet exist before creating it, or that a program is not already running before launching it. The there is no operator is the logical inverse of the there is a operator. When one is true, the other is false.
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Tags | file system |