Write back to text file from TIBCO Spotfire using IronPython

Product:TIBCO Spotfire Analyst
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Write back to text file from TIBCO Spotfire using IronPython

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 Introduction

Writing back to a text file can serve different purpose and different needs. The basic concept on how to write to a text file from Spotfire is using a StreamWriter

Exporting data from Cross Table, Table Plot or Summary Table

These visualizations have the ExportText method. With a few lines of code, we can export the data from these visualizations. Here is an example exporting data to a text file from a CrossTable:

from Spotfire.Dxp.Application.Visuals import CrossTablePlot
from System.IO import StreamWriter
 
targetFile = "c:\\temp\\test\\crosstable.txt"
writer = StreamWriter(targetFile)
crossTable = vis.As[CrossTablePlot]()
crossTable.ExportText(writer)

To append data to a file, keep the StreamWriter second argument as True to keep the stream open. Here is an example that writes a line to a text file

from System.IO import StreamWriter
 
#targetFileName = "\\\\company.com\\your\\folder\\ratings.txt"
targetFileName = "C:\\temp\\ratings.txt"
 
#Write to file 
writer = StreamWriter(targetFileName,True) #True to append
writer.Write("hello world!")
writer.Close()

See also

• Writing to files and databases from Spotfire

References

• https://docs.microsoft.com/en-us/dotnet/api/system.io.streamwriter?view=net-6.0 
• https://docs.tibco.com/pub/doc_remote/sfire_dev/area/doc/api/tib_sfire-analyst_api/html/M_Spotfire_Dxp_Application_Visuals_CrossTablePlot_ExportText.htm 

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