Command line xorg modeline generator

Example:

gtf 1280 1024 60

Save the resulting output as an example:

Section "Monitor"
    Identifier "Monitor0"
    Modeline "1280x1024_60.00"  108.88  1280 1360 1496 1712  1024 1025 1028 1060  -HSync +Vsync
EndSection

Section "Device"
    Identifier "Card0"
EndSection

Section "Screen"
    Identifier "Screen0"
    Device "Card0"
    Monitor "Monitor0"
    SubSection "Display"
        Modes "1280x1024_60.00"
    EndSubSection
EndSection