• For instance
    Fdvips -T 14in,14in -Ppdf -mode ibmvga -D 110 -f %%1 -pp %%2  > zz%%4.ps 
    Fgs -sDEVICE=ppm -sOutputFile=zz%%4.ppm -q -dbatch -dNOPAUSE zz%%4.ps -c quit 
    Fconvert -crop 0x0 -density 110x110 -transparent '#FFFFFF' zz%%4.ppm %%3 
    Frm zz%%4.ps 
    Frm zz%%4.ppm 

  • The specialized scripts may, for instance, maintain global caches of gifs for cutting down on recompilation time.