Modify a file without creating another file
59294
Can I make `cut` change a file in place?
117860
Create file/folder permission without delete permission
37401
Undo working copy modifications of one file in Git?
86666
Edit file based on existence of a string
110755
Rename file onto another in java
122372
How do I make my program watch for file modification in C++?
151879
Concatenate multiple files without header
152583
Is it possible to reference the most recently modified file in a command line argument?
53070
How to modify a text file?
43396
Modify the content of specific line in text file
135976
Restrict file access to append only
144045
Where can I permanently modify Directory[]?
69294
Overwrite previous output in Bash instead of appending it
52398
Manipulate a file in code (VB.NET) without executing the file's macros
143847
Stop Notepad++ warning if file has been modified from outside
126194
How to maintain a file's 'last modified' date?
84526
Text editor that updates file without prompting