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Setedit Command -Meet Alex, a system administrator who needs to modify a large number of configuration files on a Linux server. The files contain a specific setting that needs to be updated, but there are hundreds of files to change. Manually editing each file would be a tedious and time-consuming task. That's when Alex discovers the power of the sed command. The Problem Alex has a file called config.txt with the following contents: sed -i 's/old_password/new_password/' *.txt This command updates the password in all files with the .txt extension in the current directory. Here's an example use case in a Bash script: Setedit Command # Update password in config files sed -i 's/old_password/new_password/' /path/to/config/*.txt Meet Alex, a system administrator who needs to sed 'expression' file.txt In this case, Alex wants to replace old_password with new_password in the config.txt file. The sed command to achieve this is: That's when Alex discovers the power of the sed command sed -i 's/old_password/new_password/' config.txt This command updates the original file config.txt with the new password. What if Alex needs to update the password in multiple files? sed can handle that too: #!/bin/bash | Â | ||
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