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How do you continuously print lines that are being appended to file.log? TRY IT OUT! (Create a “file.log” file and keep adding new lines to the file while the command to continuously print lines is running in another terminal) *cat file.logless file.logtail -f file.loglast file.logPeer Discussions

Question

How do you continuously print lines that are being appended to file.log? TRY IT OUT! (Create a “file.log” file and keep adding new lines to the file while the command to continuously print lines is running in another terminal) *cat file.logless file.logtail -f file.loglast file.logPeer Discussions

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Solution

To continuously print lines that are being appended to a file.log, you can use the tail -f command in Unix-based systems. Here are the steps:

  1. Open a terminal window. Navigate to the directory where your file.log is located using the cd command.

  2. Type tail -f file.log and press Enter. This command will start displaying the last 10 lines of the file and then any new lines that are added to the file.

  3. To test this, open another terminal window. Navigate to the same directory as in step 1.

  4. Use a text editor or the echo command to append new lines to the file. For example, you can type echo "This is a new line" >> file.log and press Enter. This will append the text "This is a new line" to the end of the file.

  5. Switch back to the first terminal window. You should see the new line that you just added to the file.

Remember, this will only work as long as the tail -f command is running. If you stop the command or close the terminal window, it will stop displaying new lines.

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