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07-27-2008
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Using /dev/null with grep and find
Hi,
I am trying to display the filename in which a string was found after using find and grep. For this after some googling I found that this works: find -name "*.java" -exec grep "searchStr" {} /dev/null \; I wanted to know the difference between the above and the following: find -name "*.java" -exec grep "searchStr" {} \; When I use the first command with /dev/null I get the filename as well in which the string was found which is not the case in second. Since /dev/null is a null device how does the flow work such that appending it starts displaying the file name. TIA Gaurav |
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