Alternatives to XCopy for copying lots of files? -

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the situation: have pieceofcrapuous laptop. 1 of things make pieceofcrapuous battery dead, , power cable pulls out of little effort.

i received non-pieceofcrapuous laptop, , in process of copying old new. i'm trying xcopy c:*.* old machine external hard drive, because cord pulls out frequently, xcopy interrupted often.

what need switch in xcopy copy eveything except files exist in destination folder -- exact opposite of behavior of /u switch.

does know of way this?

/d may looking for. find works quite fast backing-up existing files not copied.

xcopy "o:\*.*" n:\whatever /c /d /s /h   /c continues copying if errors occur.  /d:m-d-y copies files changed on or after specified date.      if no date given, copies files source time      newer destination time.  /s copies directories , subdirectories except empty ones.  /h copies hidden , system files also.

more information: http://www.computerhope.com/xcopyhlp.htm


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