GNUplot plot function doesn't save file

Question

Ive installed GNUplot on OSX using

brew install gnuplot

in terminal. I can open gnuplot using

gnuplot

in terminal. I then use

set terminal png

But then if I try to plot anything I just get random characters printed to the screen.

e.g

plot sin(x)/x

returns

     Q%@??L?r??T?   89??? ?v?*?`"?Ө~???;???o.?/???jk??W}???f??C8???rR??2j??        GE?e.?fJ??zv!S?f]|???=?^<}?Bq?m??
    ^<??C&G{nR?Ũ?"~?(YA@?????ϱ??????yd?В->桮???o??~??*-R??m???Q??????Я??=?
    ң?9????(Z<?C]???߫???\?wH??Ѧ??(Z?C_???ww???w??ǣ??txE??y???F??q%?n??Q???ǁ|????(Z???X@???V??q3????Pӣ??y?y?e?p???EHK?y????xj?l7?{ݟ?g?1BG?Q?8???g/oD??k#g??h?1}=?n????:????<?????
           ??Ń'?IEND?B`?gnuplot>

The same thing happens if I set the terminal to jpeg.

Michael · Accepted Answer · 2017-07-07 18:33:43Z

2

gnuplot just prints the contents of a png file that you want to create. You should specify the file name:

set output "myfile.png"

edited Jul 7, 2017 at 18:33

answered Jul 7, 2017 at 15:41

Michael

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1 Comment

Jon Kragskow Over a year ago

Great! Thanks very much.

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