Mercurial > octave-nkf
changeset 7714:83ea845cda36
Display a (hopefully) informative error message if gnuplot isn't found
| author | sh@sh-laptop |
|---|---|
| date | Wed, 16 Apr 2008 14:19:59 -0400 |
| parents | 050f695c3a78 |
| children | 5b4d278ec828 |
| files | scripts/ChangeLog scripts/plot/__gnuplot_version__.m |
| diffstat | 2 files changed, 7 insertions(+), 0 deletions(-) [+] |
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--- a/scripts/ChangeLog Tue Apr 15 16:31:28 2008 -0400 +++ b/scripts/ChangeLog Wed Apr 16 14:19:59 2008 -0400 @@ -1,3 +1,7 @@ +2008-04-16 Soren Hauberg <hauberg@gmail.com> + + * plot/__gnuplot_version__.m: Display error if gnuplot is not found. + 2008-04-15 John W. Eaton <jwe@octave.org> * plot/view.m: Get values from current axes if nargin == 0.
--- a/scripts/plot/__gnuplot_version__.m Tue Apr 15 16:31:28 2008 -0400 +++ b/scripts/plot/__gnuplot_version__.m Wed Apr 16 14:19:59 2008 -0400 @@ -28,6 +28,9 @@ if (isempty (__version__)) [status, output] = system (sprintf ("%s --version", gnuplot_binary ())); + if (status != 0) + error ("you must have gnuplot installed to display graphics; if you have gnuplot installed in a non-standard location, see the 'gnuplot_binary' function"); + endif pattern = "^[^\\s]*\\s*([0-9]+\\.[0-9]+)\\s*[^\\s]*\\s*([^\\s]*)"; [d1, d2, d3, d4, matches] = regexp (output, pattern); if (iscell (matches) && numel (matches) > 0 && iscellstr (matches{1}))