Most efficient way to modify the last line of a large text file in Python
61570
Get last n lines of a file, similar to tail
127060
What command(s) will feed a tab-delimited text file and cut each line to 80 characters?
36982
How do I insert and delete some characters in the middle of a file?
132982
How to delete and replace last line in the terminal using bash?
92783
How to detect file ends in newline?
54896
Break a long command to multiple lines
4793
C++ deleting line of text in a file
8337
How to append multiple lines of text to a file?
30288
How to print all lines after a match up to the end of the file?
130719
How to print the longest line in a file?
78189
Is there a command like head but for line truncation?
43396
Modify the content of specific line in text file
20932
Edit a specific Line of a Text File in C#
64144
Ensure minimal length of last line
145602
Prepend a line to an existing file in Python
131164
how to replace a particular line in a text file using php?
41826
Is there a way to modify a file in-place?