How Do I Delete a Specific Line in Linux?

How do I remove lines from a file?

Use del to delete a line from a file where its position is known {#use-del)

1. a_file = open(“sample.txt”, “r”) get list of lines.
2. lines = a_file. readlines()
3. a_file. close()
4. del lines[1] delete lines.
5. new_file = open(“sample.txt”, “w+”) write to file without line.
6. for line in lines:
7. new_file. write(line)
8. new_file. close()

How do I remove an extra line in Unix?

Use the grep command to delete empty lines.

1. Use the awk command to delete empty lines in the file. …
2. Use the sed command to delete empty lines in the file. …
3. Use the grep command to delete empty lines in the file.

28 апр. 2020 г.