However, when recently unzipping some of the files on the USB drive (that JD had verified as ok when downloaded onto C:) 7zip reported CRC errors. I assumed the OS ‘Copy’ command would, like JDownloader and other 3rd party utilities, automatically perform a CRC or equivalent check on each copied file, and inform the user if the copy was bad. I then normally move infrequently accessed large files onto an (also new, and unpowered unless in-use) external USB Western Digital Passport drive to maintain space on internal drive. When I download typically large films using JDownloader to the C: drive, JD checks the file CRC (actually MD5) and tells me if there are any file errors. I recently bought a Nettop using Win7, mainly for use as a HTPC, but also for general purpose use, and have just noticed an apparent weakness with the Windows ‘Copy’ command. Simular to ftp products.ĬRC Errors using Windows File Copy command and best solution It is like it needs one thread for processing and one for adding files to the queue. The dos start window is not applicable in this case.Īlso, you program can be much faster if it would start processing the copy as soon as it has a few files in the queue instead of adding them all and then beginning the processing. Not sure if there is a command line option to make it auto minimized. Also, Even if the windows are minimized, any new window created by the command prompt is automatically visible and on top. This is simular to the auto minimize you have except this will make sure TT.exe is out of memory and the window is closed. I have so many that never get stated as they wait forever for something to complete but there are no other active Teracopies busy doing transfers.Īlso, it seems that the window doesn’t close itself after a while and I need a command option to tell it to hold the window open for x seconds then close it for sure. The Copy waiting feature needs a command line to disable this feature.
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