How to use the COUNT parameter of the scan command

Use the COUNT parameter in the scan command to limit the number of results returned. The syntax is: scan [COUNT ] , where is the number of rows or cells you want to return. This option is used to quickly retrieve a specific number of rows or cells, preventing unnecessary scan operations. The COUNT parameter can only be used with the WITHROWINDEXES option.

How to use COUNT parameters in scan command

Purpose: Use the COUNT parameter to limit the number of results returned by the scan command.

usage:

 <code>scan <options> [COUNT <num>] <range></range></num></options></code>

in:

• <options></options> : Other scan options, such as LIMIT , START , and END .
• <num></num> : The number of rows or cells to be returned.
• <range></range> : The range to be scanned.

Example:

Scan the "A1:B10" range of the worksheet named "Sheet1" and return only the first 3 lines:

 <code>scan COUNT 3 A1:B10</code>

Detailed description:

The COUNT parameter specifies the number of rows or cells returned by the scan command. It is similar to the LIMIT parameter, but the COUNT parameter stops the scan immediately after returning a specified number of rows or cells, while the LIMIT parameter limits the number of results after the entire scan is completed.

The COUNT parameter is useful for quickly retrieving a small number of specific rows or cells, as it prevents unnecessary scan operations.

Notice:

• If the COUNT parameter is not specified, the scan command returns all rows or cells in the range.
• The COUNT parameter can only be used with the WITHROWINDEXES option.
• If the specified COUNT value is greater than the actual number of rows or cells in the range, the scan command returns all rows or cells.

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