New answers tagged window
It is a bit excessive, but you can start a 2nd X11 server with no framebuffer and direct your display there: Xvfb :1 & sleep 2 DISPLAY=:1 xfoil <controlfile.xfoil >outputfile.out kill -15 $!
resize (a utility provided with xterm) can resize most xterm-like windows. To get 30 rows by 60 columns, the script would run resize -s 30 60 to resize the window within which it is running. In a quick check, mlterm, mrxvt, urxvt, vte (e.g.,. gnome-terminal) and xterm respond to the escape sequence. KDE konsole does not, nor does st or terminology. ...
Knowing that the desktop wallpaper could be a child window created by xfdesktop, a lead to follow could be exploring the content of the X windows list with the command: xwininfo -tree -root excerpt of the output ("Scrivania" simply meaning "Desktop" in english): 0x800744 (has no name): () 4x538+736+30 +755+50 0x800743 (has no name): () 4x541+0+...
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