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I have a file called "data_prova.dat" in my folder, as you can see:

gnuplot> !ls

data_prova.dat

But when I ask gnuplot to plot it, it says:

warning: Skipping unreadable file "./data_prova.dat"

No data in plot

which is just false, because:

wc -c data_prova.dat

2640413132 data_prova.dat

Can this be because the file is too large?

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mar tin
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    It says `unreadable` Could be premissions or invalid data or simply to big. – Devolus Jul 04 '13 at 09:06
  • It is telling you the file is ***unreadable***, not that it is ***not present***. Big difference. – fvu Jul 04 '13 at 09:06
  • got any reference on the maximum readable size? – mar tin Jul 04 '13 at 09:07
  • Please look [here](http://stackoverflow.com/questions/7493703/how-to-create-a-data-file-for-gnuplot), it may just be a data format problem and not a size problem. There is no hardcoded size limit – fvu Jul 04 '13 at 09:10
  • Thanks, the format is not the problem, because everything has worked other times and this is the output of a .c file. In any case, I shortened it and now it gets plotted, so it must be an issue with the size. – mar tin Jul 04 '13 at 09:30
  • Are you sure you need 2 billion characters? You only have order of millions of pixels to fill... – Bernhard Jul 05 '13 at 17:43

1 Answers1

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I changed my file name and it's now working.

double-beep
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Rajesh Dhiman
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