Hi Clyde,
My DOS batch file, which runs in an MS Command Prompt window, contains
over 3000 lines; each line is of the following general format:
dia -e output.png -t png input.dia
If I understand Lars correctly, try dia -t png input1.dia input2.dia input3.dia to create input1.png input2.png input3.png That should drastically reduce the dia startup overhead. Regards, Steffen