17 lines
443 B
Markdown
17 lines
443 B
Markdown
Returns if `key` exists.
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The user should be aware that if the same existing key is mentioned in the arguments multiple times, it will be counted multiple times. So if `somekey` exists, `EXISTS somekey somekey` will return 2.
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@return
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@integer-reply, specifically the number of keys that exist from those specified as arguments.
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@examples
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```cli
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SET key1 "Hello"
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EXISTS key1
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EXISTS nosuchkey
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SET key2 "World"
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EXISTS key1 key2 nosuchkey
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```
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