How do I write a little script file that will change a value in some source then compile the source for me?

Question

I'm using CFDG (context free art), and have to write the code for each frame, saving each picture with a consecutive filename...is there any way I could write a small script that will:
change one value in the source by increment of 0.1
compile source into an appropriately-named consecutive .png file (this is usually done from the command line. The command I'll use for the first frame is:
cfdg source.cfdg -o 001.png

The file source.cfdg is where I want to change the variable, and the 001.png should be going up by one for each change.

I greatly appreciate any help in this

adaviel · Accepted Answer

you could write a loop in bash to increment the filename, and use sed or awk to modify the source.
Or using a scripting language like Perl or Python to modify or create the source on the fly andcall cfdg

something like

for ($i=1;$i<50;$i++) {
  $I = sprintf("%3.3d",$i) ;
  open (OUT,">source.cdfg") or die ;
  print OUT<<EOT;
blah
blah $i foo
blah
EOT
  close(OUT) ;
  system("cfdg source.cfdg -o $I.png")
}
so you basically create source.cfg using computed values, constants etc. then call  cfdg to compile it each time

reny · Answer

for the reason that there's no enter contained in this methodology this methodology purely outputs "hi worldwide!" and exits this methodology . you have 2 techniques of seeing the output a million. contain conio code #include79abd8cf35895c56cc4d955c5355dbe #include4a937338bba85f4ad274b24c2ae465e int substantial() { cout<<"hi worldwide!"; getch(); return 0; } the above code will watch for a character till now it exits this methodology and exits as aoon as you press any key. 2. you additionally can see the output straight away . After executing this methodology goto report then click dos shell this could open a dos cmd with the output form go out to go out the dos shell

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How do I write a little script file that will change a value in some source then compile the source for me?

2 Answers