- Suppose you have a file with the following content:
Hello, sed is a powerful editing tool. I love working with sed
If you master sed, you will be a professional one
And suppose you use the following command:
$ sed 's/Sed/Linux sed/g' myfile
How many lines will be substituted?
- Suppose you have the same file that was used in the previous question and you use the following command:
$ sed '2d' myfile
How many lines will be deleted from the file?
- What is the location of the inserted line in the following example?
$ sed '3a\Example text' myfile
- Suppose you have the same previous sample file and you run the following command:
$ sed '2i\inserted text/w outputfile' myfile
How many lines will be saved to the output file?
