How to substitute two lines in same text files
21054
Find and Replace Inside a Text File from a Bash Command
5460
How do I replace characters only on certain lines?
32721
Removing lines from text file that contain string at beginning and string at end - and keep one
57242
How to search and replace text in a file?
72914
How to replace ${} placeholders in a text file?
117459
Emacs copy matching lines
29509
What is the easiest way to swap occurrences of two strings in Vim?
11214
How can I write multiple lines in a subscript?
41151
Search and replace a line in a file in Python
131346
Find and replace text within multiple files
91952
How can I swap or replace multiple strings in code at the same time?
145602
Prepend a line to an existing file in Python
53151
How to concatenate all lines from a file in Bash?
129779
How to insert multiple blank lines after every line
2164
How to make \left, \right pairs of delimiter work over multiple lines?
66424
How to replace text between quotation marks with something from another file?
22590
How to insert text before the first line of a file?