Search for files with phone numbers
You have 50,000 html files, some of which contain phone numbers. How would you create a list of all the files which contain phone numbers?
Note : Phone numbers are in format ddd[- OR ' ']ddd[- OR ' ']dddd
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You have 50,000 html files, some of which contain phone numbers. How would you create a list of all the files which contain phone numbers?
Note : Phone numbers are in format ddd[- OR ' ']ddd[- OR ' ']dddd
grep -lr "[0-9]\{3\}[ -][0-9]\{3\}[ -][0-9]\{4\}" *