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How do I delete a line in Linux?

by Rhyley Bryan

How do I delete a line in Linux?

Deleting a Line

  1. Press the Esc key to go to normal mode.
  2. Place the cursor on the line you want to delete.
  3. Type dd and hit Enter to remove the line.

How do you delete a line in 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.
  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.

How do I delete a grep line?

Use the grep command to delete the line containing the specified string. Grep command, we use it more to match the specified string in the text file. Since it can be matched, it can also be excluded, you need to use the grep -v option.

How to delete some lines?

bring your cursor to the line you want to delete.

  • Press the ” Esc ” key to change the mode.
  • and press ” Enter ” to delete the line or quickly press ” dd “.

    • How can I delete a line in the textfile?

    write

  • seek through it until the start of the line you want to delete
  • Set the write pointer to the current read pointer
  • Read through to the end of the line we’re deleting and skip the newline delimiters (counting the number of characters as…
  • Read byte-by-byte and write each byte to the file

    • How do I delete a line in a list?

    Press the Esc key to go to normal mode.

  • Place the cursor on the line you want to delete.
  • Type dd and hit Enter to remove the line.

    • What is sed command?

    Sed Command in Linux/ Unix with examples. SED command in UNIX is stands for stream editor and it can perform lot’s of function on file like, searching, find and replace, insertion or deletion. Though most common use of SED command in UNIX is for substitution or for find and replace.