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#!/usr/bin/python import select, sys, os def readpipe(file, tmout = 0.001): "Read available data from pipe" ret = '' while not select.select([file.fileno()], [], [], tmout)[0]: pass while select.select([file.fileno()], [], [], tmout)[0]: ret = ret + file.read(1) return ret.split('\n') def dpopen(cmd): "Open a pipe for reuse, if already opened, return pipes" global pipes if 'pipes' not in globals().keys(): pipes = {} if cmd not in pipes.keys(): pipes[cmd] = os.popen3(cmd, 't', 0) return pipes[cmd] ### Unbuffered sys.stdout sys.stdout = os.fdopen(1, 'w', 0) ### Main entrance if __name__ == '__main__': try: stdin, stdout, stderr = dpopen('/usr/lpp/mmfs/bin/mmpmon -p -s') stdin.write('reset\n') readpipe(stdout) while True: stdin.write('io_s\n') for line in readpipe(stdout): print line except KeyboardInterrupt, e: print # vim:ts=4:sw=4