Read textfile vi will not read the file...

I am very new to programming LV so I hope you'll forgive the stupid mistakes that I make.   I use version 8.2 on a XP machine.

I have a small program that stores the small sets of data in text files and then I update individually or read and update all sequentially, sending data on a USB device.   Currently I use two sets of data, each in their own small text file.  The delimiter is two commas ', '.

The program works very well as written when running in the regular programming environment.   I noticed, though, as soon as I built it in a project which the function where it will read each file in order to update the two files reading of the text file that VI returns an empty data set, with result the empty values are written back in the file.   I read and rewrite the values of the text file to place the field updated (price) instead of it'sproper.  Each small text file is identified and named with a number of 4-digit "ID".   I built it twce and get the same result.  I also built it in an installer, and unfortunately the bug went into the facility as well.

Following is the overall program in question:

Here is the reading and analysis of Subvi:

If you have any idea at all what could cause this I would really appreciate it!


Tags: NI Software

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