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How to shows incessantly output in bash?

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linux-howto

http://forums.fedoraforum.org – Hello! I have a code in my bash script Code: OUTPUT=""`yum update` echo $OUTPUT echo $OUTPUT >> mylogfile Code: yum update is a very long command and without my script it always output something to console, but in my script it starts, for the long time nothing outputs and after a while outputs a lof of data. Is any way in my script to output data as soon as it is available, but not all data in the same time after long waiting? (HowTos)