Failure to read multiline string with Read Key.vi

Question

I converted 2D array into a spreadsheet string and attempetd to write it as a key value into a configuration file. This worked just fine. However, when I attempted to read this multiline string using Read Key.vi, I got just the first line in return (see two vi's attached).
As sufficient documentation on configuration file vi's is all but missing, could you please advise on their (undocumented) features? What do I miss?
Thank you.
Michael
Attachments:
Save_2D_array_in_config_file.vi ‏29 KB
Read_2D_array_from_config_file.vi ‏31 KB

Answer 1

Hi Michael,
MichaelS wrote in news:506500000008000000F7980000-
[email protected]:
> I converted 2D array into a spreadsheet string and attempetd to write
> it as a key value into a configuration file. This worked just fine.
> However, when I attempted to read this multiline string using Read
> Key.vi, I got just the first line in return (see two vi's attached).
I use Config files all the time. Much more user-friendly than the
Registry. They are a Microsoft thing really, rather than LabView, and
come from Windows 3.11. Each value is limited to one line, so when you
write a spreadsheet string with end-of-line characters in it, you're
effectively breaking the .inf file
The solution? Try putting a "Search and Replace String
" after your
"Array To Spreadsheet String". Wire "Replace All" with a TRUE constant,
and wire "Search String" with a string in "\" view and enter \r\n (or do
0A0D in Hex view) and then then wire Replace String with a ";"
Now your .inf file will look like:
[Array]
Data=1.0000,0.0000,0.0000;0.0000,2.0000,0.0000;0.0000,0.0000,3.0000;
When reading it, just reverse the search and replace strings above.
I hope this helps,
Andrew