How to get a random float number between 0 and 1 for batch script?

Question

I need to get a random float number between 0 and 1 (probability) to feed into my batch script.

It seems %RANDOM% only returns integers? I tried dividing by max number (around 32000) and I just get back an int.

Answer 1

Batch files do not support floating point arithmetic. There are some possible workarounds discussed in a few answers to these questions on StackOverflow:

• https://stackoverflow.com/questions/1503888/floating-point-division-in-a-batch-file
• https://stackoverflow.com/questions/29217965/how-to-assign-a-floating-point-number-to-a-variable-in-cmd
• https://stackoverflow.com/questions/18689450/decimals-in-batch-script