Passing arguments when python subprocess.Popen in running -


i have simple application (*.exe) passing command line arguments using python subprocess.popen shown below:

write_data = popen(["test.exe", arg1, arg2)],                      cwd = target_path,                     shell = true,                     stdin=pipe,                      stdout=pipe) output = '' line in iter(write_data.stdout.readline, ""):     print line,     output += line

i have programmed application receive arguments , operations. calling subprocess function multiple times every time want test application different data.

is possible run subprocess once , send arguments running process?

i tried write_data.stdin.write(arg3, arg4), doesn't seem work.

i think arguments no tool inter-process communication.

you can interact running program using stdin , stdout tried can write stdin write file , read stdout. there no parameters in stdin.

what happens when write stdin depends on receiver. can call receiver on command line , see happens if pipe stdin.


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