Hi, What's wrong with the following code. The program waits indefenitely at 'output = p2.stdout.read()'
from subprocess import *
p1=Popen(['tr', 'a-z', 'A-Z'],stdin=PIPE,stdout=PIPE)
p2=Popen(['tr','A-Z', 'a-z'],stdin=p1.stdout,stdout=PIPE)
p1.stdin.write("hello")
p1.stdin.close()
output = p2.stdout.read()
print output
--
Thanks
Sudheer
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