Cascade Historian™ : Version 6.4
	Dynamic Library Functions

`hist_count`

hist_count — counts the number of histories that match a pattern.

Syntax

hist_count (hist_task[, pattern])

Parameters

hist_task: The task object corresponding to the Cascade Historian. See locate_task in the Gamma manual.
pattern: The name of one or more (using a globbing pattern) histories to be acted upon. When this parameter is not specified, the default is *, to include all histories.

Returns

The number of histories that match the pattern. Otherwise returns nil and sets _last_error_ to the error string returned by the Cascade Historian.

Description

This function queries the Cascade Historian for the total number of histories currently being kept that match the given pattern.

This function corresponds to the count command, and the Cogent C API function HI_Count.


hist_clip_buffer		hist_deadband