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.

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3
votes
2answers
171 views

How to check which file is older

Is there a command in Mathematica to check the date when a file was last modified? Suppose I have two notebooks: File1.nb and ...
5
votes
2answers
262 views

How to remove an expression from a file?

To read in expressions from a file, one can do ReadList[file, Expression, 3]. How to do the opposite, i.e. remove a number of expressions from a file, modifying ...
14
votes
3answers
968 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 ...
77
votes
1answer
3k 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 ...