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Missing Comma in CSV File Output

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hegedus August 17, 2012 - 09:48
Posts: 86
 Joined: 2009-03-21
 Location: United States

I am writing an output summary file as comma delimited using the following code

open/A resultfileref as "C:\Users\scorpion\Documents\Strain Measurement\strainSummaryResults.txt"
fprintf ResultFileRef, "%s,%g,%g,%s\r\n", Filename,StrainRangeX,StrainRangeY, Secs2Date(DateTime,0)
close resultfileref

The output in the file looks like

Filename,13.5,12.38/12/12

as opposed to

Filename,13.5,12.3,8/12/12

The comma is missing between the third and fourth item. I have stared at the formatting string many a time and the comma is there in the code. Why does it not show up in the file?
hrodstein
 August 17, 2012 - 16:44
Posts: 906
 Joined: 2007-06-21
 Location: United States

I can't reproduce this using Igor Pro 6.30B01 on Macintosh or Windows. I don't think it would be any different in another version because the underlying code, as far as I know, has not changed in years. Here is the test I ran:

Function Test(fileName, StrainRangeX,StrainRangeY)
	String fileName
	Variable StrainRangeX,StrainRangeY
 
	Variable resultfileref
	open/A/P=home resultfileref as "StrainSummaryResults.txt"
	fprintf ResultFileRef, "%s,%g,%g,%s\r\n", Filename,StrainRangeX,StrainRangeY, Secs2Date(DateTime,0)
	close resultfileref
End

I tested it by executing:

Test("Test.txt", 13.5, 12.38)

I then verified the result by opening the file as an Igor notebook.

Perhaps you can come up with a simple example that reproduces the problem.


[ last edited August 17, 2012 - 17:07 ]
hegedus August 20, 2012 - 08:19
Posts: 86
 Joined: 2009-03-21
 Location: United States

Found problem.

"Pilot" error I was looking at obsoleted code snippet for the results logging. Looked at right one saw problem.

Thank you for your time.
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