On Sun, 4 Oct 2020, Sven Schreiber wrote:
Am 04.10.2020 um 21:53 schrieb Ioannis A. Venetis:open AWM18.gdt gnuplot YER --time-series --with-lines --fit=quadratic --output=display I get the error "C:\Program Files\gretl\wgnuplot.exe" "C:\Users\Venetis\AppData\Roaming\gretl\gpttmp.MI60R0": exit code 1 I erroneously thought that maybe it is not possible for gretl to write the temporary file in my temporary folder in windows. But on a second check with Gnuplot and the temporary graphics file I found that an odd character appears in gpttmp.MI60R0 (it is bolded by me below). When i manually change the character into s then Gnuplot produces the png file. # plot includes automatic fit: quadratic plot \ '-' using 1:2 notitle w lines, \ 730331.8313 + 7484.777486*(4.0*(x-1970)+1) + -3.906286399*(4.0*(x-1970)+1)**2 title "Y = 7.30e+005 + 7.48e+003t - 3.91t^2" w *lineû*I can confirm this behavior (on Windows). It sure looks like a bug, maybe the line is getting to long: at least in lib/src/graphing.c on line 2797 it looks suspicious to me to declare the following: char fitline[128] = {0};
Yes, that's bad. It's now fixed in git: "fitline" is no longer a fixed-length buffer.
Allin
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