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Is there such a thing as a filename that is too long?


Is there such a thing as a filename that is too long?

By : user2172505
Date : October 23 2020, 08:10 PM
I hope this helps you . For NTFS file systems (i.e. Windows), an individual filename is limited to 255 characters. The same goes for any parts of a path, like directory names. Full paths should be shorter than the constant MAX_PATH, which is 260 characters.
See Maximum filename length in NTFS (Windows XP and Windows Vista)?
code :


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selecting similar values in mysql (some thing, sömé thińg, some-thing, some¤thing should be the same)

selecting similar values in mysql (some thing, sömé thińg, some-thing, some¤thing should be the same)


By : kim
Date : March 29 2020, 07:55 AM
I hope this helps . I'm building a tagging system and I need to retrieve similar tags, so when a user would punch in "some thing" or "somé thing" or "söme thing" or "some¤thing" etc he would get all the matching rows in the table. , Yes, the convert :-
code :
mysql> select convert( "söme thing" using utf8) = 
convert( "some thing" using utf8);
+------------------------------------------------------------------------+
| convert( "söme thing" using utf8) = convert( "some thing" using utf8)  |
+------------------------------------------------------------------------+
|                                                                      1 |
+------------------------------------------------------------------------+
Convert long filename to short filename (8.3)

Convert long filename to short filename (8.3)


By : Ci Wooi
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , This ruby code uses getShortPathName and don't need additional modules to be installed.
code :
def get_short_win32_filename(long_name)
    require 'win32api'
    win_func = Win32API.new("kernel32","GetShortPathName","PPL"," L")
    buf = 0.chr * 256
    buf[0..long_name.length-1] = long_name
    win_func.call(long_name, buf, buf.length)
    return buf.split(0.chr).first
end
Convert long filename to short filename (8.3) using cmd.exe

Convert long filename to short filename (8.3) using cmd.exe


By : Praveen Kumar
Date : March 29 2020, 07:55 AM
To fix the issue you can do I am trying to convert a long filename to a short filename (8.3) on Windows.
code :
cmd /c for %A in ("C:\Documents and Settings\User\NTUSER.DAT") do @echo %~sA
FAT32: set long filename and 8.3 filename separately

FAT32: set long filename and 8.3 filename separately


By : HarrySchenke
Date : March 29 2020, 07:55 AM
This might help you The short file name is automatically and compulsorily constructed from the LFN using the algorithm you mentioned. (Also detailed in the FAT32 specifications). This is done by the file-system driver (at least on Windows and Linux).You really can't change that, unless you modify the driver which is not advisable. If you want to do this only for one directory, then you could achieve this by modifying the disk image in a hex editor being wary of not creating duplicate entries with the same name.
Here is what I tried on Linux:
code :
#dd if=/dev/zero of=fatImage bs=1048576 count=256
#mkfs.vfat -F 32 fatImage
#mount -o loop fatImage  /mnt
#cd /mnt
#mkdir ThisIsALongDirectoryName
#cd /mnt/ThisIsALongDirectoryName
#cd /mnt/THISIS~1
#cd /mnt/ThisIsALongDirectoryName
#cd /mnt/MYNEWDIR
Process launch exception "filename or extension is too long", can it be caused by arg line and not filename?

Process launch exception "filename or extension is too long", can it be caused by arg line and not filename?


By : NuttyNeko
Date : March 29 2020, 07:55 AM
like below fixes the issue Yes. That text is the error message corresponding to ERROR_FILENAME_EXCED_RANGE, and other users report that it applies to the overall command length and not just the executable filename. See also
What processing/validation is performed on command line arguments before a process starts?
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