CODEWITHSUNDEEP
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dnk drone.vs.drones
dnk drone.vs.drones

Reputation: 133

How to set batch variable with java (System.out.println) result

Is there a best/shortest way of doing this: 

java -cp . compare %rel1% %rel2% > out
set /p result=<out
del out

Upvotes: 3

Views: 400

Answers (1)

Stephan
Stephan

Reputation: 56208

your code is the shortest, but it needs a temporary file, which makes it slow.

The "usual" method to get the output of a command is a for loop:

for /f %%a in ('java -cp . compare %rel1% %rel2%') do set result=%%a

(to use it on command line, use a single percent sign only %a instead of %%a)

There are a lot of options with the for command, which makes it one of the most useful commands in batch. See for /? for details.

Upvotes: 3

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