GeeksforGeeks » Java specific Questions
piped strems
(3 posts)-
what is piped stream? give the example in detail
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cat abc.txt | grep "open"
output of cat is input to grep command through pipe.
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piped stream r those stream which r used to transfer result of command (in left of pipe ( | ) ) to the command present in right side of pipe
for example :
cat abc.txt | wc -l
will result the number of line in file abc.txt but remember abc.txt must exist in ur system..
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