saving files to custom file extension
44367
Zip folder in C#
105206
Programmatically attaching files
131821
Save text area to file
70444
Grabbing the extension in a file name
67761
How to override Save method in standard controller extension?
32466
Moving all files of a certain type or extension
93352
Attaching existing server files to filefield
67590
How do I unit-test saving file to the disk?
114231
What is the relationship between MIME types and File .extensions?
23240
How do I save a stream to a file in C#?
63225
How to copy file path to clipboard?
153419
How to copy multiple files but keep their extensions the same?
66447
How can I get file extensions with JavaScript?
70242
How can I create files on Windows with embedded slashes, using Python?
76161
How do I get the file extension of a file in Java?
16358
How do I change the extension of multiple files?
72314
File permissions and saving