Technical Reference Manual - InduSoft

Appendix: Built-in Scripting Language
Tip: When using the comma character (,) as optStrSeparator, the function creates a file in the
CSV format (Comma Separated Values). It is a useful tool for exporting the Trend history data from
the proprietary binary format into a file that can be opened with Microsoft Excel.
HST2TXTIsRunning
Returns the status of the HST2TXT function.
Function Group Execution Windows Embedded Thin Client
HST2TXTIsRunningFile Synchronous Supported Not supported Executed on Server
Syntax
HST2TXTIsRunning()
HST2TXTIsRunning()
This function takes no parameters.
Returned value
Value
Description
0 HST2TXT is still running.
-1 Last conversion process was executed properly.
-2 Reserved.
-3 File not found. There are no history files in the configured time interval for the group specified.
-4 Cannot open history file.
-5 Cannot create/open ASCII file.
-6 Cannot read file information from history file.
-7 Invalid file type.
-8 Cannot read header information from history file.
-9 Invalid number of tag in the header information (0 > nTags > 250).
-10 Cannot create Header file (.hdr).
-20 InStudiot.dll was not found.
-30 Cannot access DLL function.
LookupContains
This function verifies that an external file contains the specified keyword in its key column.
Function Group Execution Windows Embedded Thin Client
LookupContains File Synchronous Supported Supported Supported
Syntax
LookupContains(strKey)
strKey
The keyword to look for in the file's keywords column.
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