Questions on obtaining files and directory structure/information and manipulating the said structure/information, searching/renaming particular files in a directory, etc., in an OS independent manner.
65
votes
1answer
2k views
File-backed lists/variables for handling large data
Background
Currently I am working with some large data (most of it generated by Mathematica itself). I usually find it a hassle to do this. For example, I just exported a large amount of data to ...
35
votes
3answers
549 views
How can I set up a versioning system within a notebook?
Since the Frontend crashes a lot, for important work it would be nice to have the notebook automatically branch and save itself every so many minutes.
For instance, commands like ...
14
votes
4answers
327 views
ReadList problem related to Record type
A simple file reading issue is baffling me here. I am reading a around 200 MB textual file in .dat format. Now the file contains many lines but to phrase my problem ...
9
votes
2answers
251 views
Mathematica “prelude”
Is there any way to have the functions from a mathematica file be loaded on startup?
For example, in this excellent answer, Jens helps me out and gives me some functions for creating legends for ...
8
votes
1answer
512 views
Relative paths for portable notebooks in Mathematica
I cannot find how to use relative paths in Mathematica. My directory structure is simple.
...
13
votes
3answers
472 views
List all the directories under the current one
I feel like I am forgetting something obvious, and will remember or be ashamed as soon as an answer turns up. However, I cannot for the life of me get all of the directories in the current working ...
10
votes
5answers
214 views
Using ReadList and Skip to read a file with periodic alternation of useful and useless data
I am trying a read a file that's arranged such that there's alternating set of rows containing data that I don't need and data that I need. So for my case the first n lines in the files are useless to ...
6
votes
1answer
140 views
How to save data using FileNameSetter or similar
I would like to export data to a file using a SaveAs type dialog, using something like FileNameSetter[name,"Save"] to give a browse button.
Any help with this ...
5
votes
2answers
130 views
How do I Export through a standard system file save dialog activated by a Button?
As near as I can tell, Export cannot be configured through arguments or options, to present a standard system file save dialog to the user, so that he can specify a ...

