he file "CellNumbers.txt" has a list of phone numbers(10 digits), credit card numbers(16 digits) and usernames(single word string) in each line in the specified order. The entries in a row are separated by spaces. For e.g. one entry could be `2897442728 5688372212331253 user24` . Which of the following command will extract the credit card numbers and usernames from the file.
Question
he file "CellNumbers.txt" has a list of phone numbers(10 digits), credit card numbers(16 digits) and usernames(single word string) in each line in the specified order. The entries in a row are separated by spaces. For e.g. one entry could be 2897442728 5688372212331253 user24 . Which of the following command will extract the credit card numbers and usernames from the file.
Solution
To extract the credit card numbers and usernames from the file "CellNumbers.txt", you can use the following command:
awk '{print $2, $3}' CellNumbers.txt
This command uses the awk tool to print the second and third fields (credit card number and username) from each line of the file. The fields are separated by spaces, so awk automatically splits the lines into fields based on the space delimiter. The output will display the credit card numbers and usernames from each line of the file.
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