Re: corrupted images
This WebDNA talk-list message is from 2002
It keeps the original formatting.
numero = 40707
interpreted = N
texte = Kalin Mintchev wrote: > thanks... > the server is a Linux box and the drives are IBMs i don't know the exact > model of the hdd... > it is finding all the files - it just doesn't display them all > correctly... > i'm searching for some kind of bitmap integrity checking software. not > much of a luck so far...FTP binary vs ASCII transfer mode is likely to be the culprit; some images will transfer fine in ASCII mode and others require BIN mode (depending on the presence of whatever the O/S considers a new line character). Make sure your client is using BIN mode when uploading...Even Linux will slow down if there are multi-10k's files in a directory; I have a small Perl script which we use to move the files into subdirectories, and then use this:[text]jpgpath=[grep search=^([0-9][0-9])([0-9][0-9][0-9])[0-9X]*&replace=\1/\2/][SKU][/grep][/text]to map to the heirarchy of subdirectories. My SKU's just happen to be ISBN's (9 numbers plus a possible 10th number or an 'X'). The above algorithym seems to spread our files around more or less equally; you could do first two characters, next two characters, next three characters, or whatever to try and get an efficient hashing.John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4720 Boston Way Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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Kalin Mintchev wrote: > thanks... > the server is a Linux box and the drives are IBMs i don't know the exact > model of the hdd... > it is finding all the files - it just doesn't display them all > correctly... > i'm searching for some kind of bitmap integrity checking software. not > much of a luck so far...FTP binary vs ASCII transfer mode is likely to be the culprit; some images will transfer fine in ASCII mode and others require BIN mode (depending on the presence of whatever the O/S considers a new line character). Make sure your client is using BIN mode when uploading...Even Linux will slow down if there are multi-10k's files in a directory; I have a small Perl script which we use to move the files into subdirectories, and then use this:[text]jpgpath=[grep search=^([0-9][0-9])([0-9][0-9][0-9])[0-9X]*&replace=\1/\2/][SKU][/grep][/text]to map to the heirarchy of subdirectories. My SKU's just happen to be ISBN's (9 numbers plus a possible 10th number or an 'X'). The above algorithym seems to spread our files around more or less equally; you could do first two characters, next two characters, next three characters, or whatever to try and get an efficient hashing.John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4720 Boston Way Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/
John Peacock
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