file(s)_to_copy : A list of files or a wildcard.
(defaults to copying *.*)
/S : Copy Subfolders
/E : Copy Subfolders, including Empty Subfolders.
/COPY:copyflag[s] : What to COPY (default is /COPYAT).
(copyflags : D=Data, A=Attributes, T=Timestamps).
(S=Security=NTFS ACLs, O=Owner info, U=aUditing info).
/COPYALL : Copy ALL file info (equivalent to /COPYATSOU).
/NOCOPY : Copy NO file info (useful with /PURGE).
/A : Copy only files with the Archive attribute set.
/M : like /A, but remove Archive attribute from source files.
/LEV:n : only copy the top n LEVels of the source tree.
/MAXAGE:n : MAXimum file AGE - exclude files older than n days/date.
/MINAGE:n : MINimum file AGE - exclude files newer than n days/date.
(If n < 1900 then n = no of days, else n = YYYYMMDD date).
/FFT : assume FAT File Times (2-second granularity).
/256 : turn off very long path (> 256 characters) support.
/L : List only - don't copy, timestamp or delete any files.
/MOV : MOVe files (delete from source after copying).
/MOVE : Move files and dirs (delete from source after copying).
/Z : copy files in restartable mode (survive network glitch).
/B : copy files in Backup mode.
/ZB : use restartable mode; if access denied use Backup mode.
/IPG:n : Inter-Packet Gap (ms), to free bandwidth on slow lines.
/R:n : number of Retries on failed copies - default is 1 million.
/W:n : Wait time between retries - default is 30 seconds.
/REG : Save /R:n and /W:n in the Registry as default settings.
/TBD : wait for sharenames To Be Defined (retry error 67).
/A+:[R][A][S][H] : set file Attributes on destination files - add.
/A-:[R][A][S][H] : set file Attributes on destination files - remove.
/FAT : create destination files using 8.3 FAT file names only.
/CREATE : CREATE directory tree structure + zero-length files only.
/PURGE : delete dest files/folders that no longer exist in source.
/MIR : MIRror a directory tree - equivalent to /PURGE plus all subfolders (/E)
/L : List only - don't copy, timestamp or delete any files.
/NP : No Progress - don't display % copied.
/LOG:file : output status to LOG file (overwrite existing log).
/LOG+:file : output status to LOG file (append to existing log).
/TS : include source file Time Stamps in the output.
/FP : include Full Pathname of files in the output.
/NS : No Size - don't log file sizes.
/NC : No Class - don't log file classes.
/NFL : No File List - don't log file names.
/NDL : No Directory List - don't log directory names.
/TEE : output to console window, as well as the log file.
/NJH : No Job Header.
/NJS : No Job Summary.
Repeated Copy Options
/MON:n : MONitor source; run again when more than n changes seen.
/MOT:m : MOnitor source; run again in m minutes Time, if changed.
/RH:hhmm-hhmm : Run Hours - times when new copies may be started.
/PF : check run hours on a Per File (not per pass) basis.
/JOB:jobname : take parameters from the named JOB file.
/SAVE:jobname : SAVE parameters to the named job file
/QUIT : QUIT after processing command line (to view parameters).
/NOSD : NO Source Directory is specified.
/NODD : NO Destination Directory is specified.
/IF : Include the following Files.
Advanced options you'll probably never use
/XO : eXclude Older - if destination file exists and is the same date
or newer than the source - don't bother to overwrite it.
/XC | /XN : eXclude Changed | Newer files
/XX | /XL : eXclude eXtra | Lonely files and dirs.
An "extra" file is present in destination but not source,
excluding extras will delete from destination.
A "lonely" file is present in source but not destination
excluding lonely will prevent any new files being added to the destination.
/IS : Overwrite files even if they are already the same.
/XF file [file]... : eXclude Files matching given names/paths/wildcards.
/XD dirs [dirs]... : eXclude Directories matching given names/paths.
XF and XD can be used in combination e.g.
ROBOCOPY c:\source d:\dest /XF *.doc *.xls /XD c:\unwanted /S
/MAX:n : MAXimum file size - exclude files bigger than n bytes.
/MIN:n : MINimum file size - exclude files smaller than n bytes.
/IT : Include Tweaked files.
/XJ : eXclude Junction points. (normally included by default).
/MAXLAD:n : MAXimum Last Access Date - exclude files unused since n.
/MINLAD:n : MINimum Last Access Date - exclude files used since n.
(If n < 1900 then n = n days, else n = YYYYMMDD date).
/XA:[R][A][S][H] : eXclude files with any of the given Attributes
/IA:[R][A][S][H] : Include files with any of the given Attributes
/X : report all eXtra files, not just those selected & copied.
/V : produce Verbose output log, showing skipped files.
/ETA : show Estimated Time of Arrival of copied files.
Don't make me smack you - pianoman
I've used Beyond Compare in the past, although its been more than a year since I've last used it, so I'm not sure how the latest version stacks up to other utilities. It's shareware, but I'm pretty sure you can download a trial without paying for anything. The version I used was incredibly easy to use, but very powerful (for that sort of utility, anyway). Great for version control, which is what I was using it for at the time.
Originally Posted by Joss Whedon
"What was I going to call it? 'Big Smash Bang With Boobies'? Which was, of course my second choice."
xxcopy can do what you want. It will compare both locations and only copy those files that have been updated. And then you can add various switches with your intentinos (yes copy the file again since it's changed you stupid POS computer type of switches) so it will run without user intervention.
The non-registered copy gives you a small popup when you try to copy to a network device as they want you to register it, but for local copying there is no popup. The popup is just a register reminder, not spyware popup or something.
You can use the "/R:x" and "/W:x" switches (with "x" actually being an integer) with robocopy to control how many retries it attempts (it defaults to a million, I think, which seems crazy), and how long it waits (defaults to 30 seconds). Adjusting these values can potentially speed up the copying process tremendously, especially if it gets stuck on a single file.
If you throw in the "/REG" switch too, it'll save the values you specified with the "/R" and "/W" switches as the default values to use for subsequent executions, so that you don't have to specify them any more.
It's all fun and games, until someone loses an eye.