Command-Line Scripts Fonts – Passing a Font as an Argument to a Script

command linefontsscripts

I am trying to use osdSH for notifications.

It has a 'font' parameter that receives a curiously formed string. From the man:

-f -font
             Set          font         (Default:         -*-lucidatypewriter-
             bold-*-*-*-*-240-*-*-*-*-*-*)

The manual does not comment on the arguments passed (I assume each * represents a possible argument). It would seem that this notation is (or has someday been) standard, but I've not been able to find anything about it.

what is the standard ?
what argument specifies letter size ?

Best Answer

It's the X logical font description. See the full standard at x.org

The 7th field specifies the size in pixel, the 8th the size in tenths of points.

So the default here is "lucidatypewriter bold at 24 point".

You can use xfontsel as a simple GUI to create such font descriptions.

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I use Font Manager

sudo apt-get install font-manager

Ubuntu – passing file from bash script to gnuplot script

If I understand correctly, you want the graph to show up on the display and then have a copy in the PDF file /dev/shm/TT.pdf.

I see two problems here:

The instruction for the plot --- you store the file name in filename, so ypu should just say
```
plot filename  using 1:2 w points title "tests"
```
without the <"... things.
If you want the pdf file you should add a replot after the change of terminal and output file (double check you can write in the destination directory).

I have created a file data.dat and the file file.gnuplot:

set xlabel "start"    
set ylabel "Delay"
set autoscale
set style line 1 lt 1 lw 3 pt 3 linecolor rgb "red"
plot filename   using 1:2 w points title "tests"
set terminal postscript portrait enhanced mono dashed lw 1 'Helvetica' 14
set output 'TT.pdf'
replot
pause -1

And calling it with:

gnuplot -e "filename='data.dat'" file.gnuplot

I have the output:

enter image description here

...and the corresponding TT.pdf file.

By the way, instead of the pause at the end, I find much better to add

set terminal wxt persist

at the start, and remove the pause. The script will finish naturally and the window with the graph will stay put until you dismiss it.

Best Answer

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