Is there A-B file copy utility?

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Looking for a program to copy files from one flash card to another one.

Just like on a PC with only one floppy disk drive: if you copy a file from A to B, it asks you to insert the source, then the target disk etc. many times depending on the file(s) size(s) and available RAM.

Multiple files handling with subdirectory trees is much appreciated!

If you're going to be re-inserting a new flash card anyway, you might as well temporarily drop the files to your desktop and then copy them back over to the B card. That's all the PC will do anyway, make a temp cache of the files.

Otherwise, get yourself another flash drive or one with two slots.

V

First of all, I mean such a software on my HTC TyTN, or, widely speaking, under WM5.

Then, because it should work on a phone, with limited internal storage space, and for the sake of useability, copying via the internal storage does not work.

I intentionally mentiones how DOS copy/xcopy/diskcopy commands worked between virtual drives: they were reading portions into RAM. You see, it also worked on PCs without a hard drive... you know, there were some...

Ahhm, I am just wondering how do you expect such program to work on your TyTN?

The smallest SD card sold today is 32MB (who buys that any way) and most people use 1 - 2 GB cards. No PPC device available today has enough RAM to hold that much data. In fact RAM is usually even more precious then internal storage.
Theoretically you could do it in portions, but do you really want to copy 2GB worth of data 10 - 20 MB at a time constantly switching between cards?

Floppies are not a good analogy in this case as they are usually about 1.3MB and even computers from 10 years ago had enough RAM to accomodate that.