MAX Number of charachters in a file name

Hi,
what is the maximum length of the file name if I have to write a TEXT filr in /tmp folder on the application server.
Thanks,
Gaurav

there is no max length defined to write a file into application server. But when u look up in AL11 it shows only 255 characters. To view whole data u need to use CG3Y/CG3Z (one of these) to download to text file and view it.

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Max 255 characters in MS Office file name problem

When saving files via WebDAV to KM folders within collaboration rooms we often hit this limit of 255 characters that Office documents allow for file names (218 for MS Excel).
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File name too long cannot copy (cont'd)

This is a continuation of the post started September 01, 2009, with the last post on
October 17, 2011 named File name too long cannot copy
Since this is an ongoing unsolved issue, and the thread was locked, it continues here.
It is ever so easy to create a long file/path using explorer.exe as will be shown below.
What needs to be solved is, what is an easy way (no, not by listing out all the files in a directory to a text file and counting characters), perhaps using a shell extension, to find out which files in a directory and it's subdirectories will be (or were)
too long to copy, (and then perhaps even copying those over either intact or renamed)?
Maflagulator said:
I'm running the 7100 build...enjoying it except for one big thing:
While attempting to copy 402gb from my main storage volume onto a spare 500gb drive (for the purpose of changing to a new RAID array) I've come across something that I would expect a Windows 98 OS to give me.
It tells me that a file has TOO LONG of a file name, then provides with two unhelpful options: SKIP or CANCEL
I never had XP give me an issue like this at all, so what gives? And while some specific files did have long file names (such as for songs, etc.) it had 7 issues with folders stating that their name was too long, but in fact they were not since they were
titled '07-06-07' for the date that I dumped the audio files in them. However, they may have contained FILES with long file names though.
Anyone else get this same situation? Perhaps the RTM version does not do this? Can anyone verify this regarding their install of the RC or the RTM?
It made it through 400gb out of the 402gb transfer.
I'm just happy to see that it doesn't spazz out about an issue like this until it has done all the other transfers that it can do because it saves the issues it has with files until the very end. In XP it would spazz about it the moment it came across it
causing the transfer process to halt.
Since long path/file names can so easily be created on Win7, it might be useful to see a typical way this happens, which might then give clues how to work with them.
In Windows Vista, we learnt from:
File names and file name extensions: frequently asked questions that:
Windows usually limits file names to 260 characters. But the file name must actually be shorter than that, since the complete path (such as C:\Program Files\filename.txt) is included in this character count.
In Windows 7, we are told here:
File names and file name extensions: frequently asked questions that:
It depends on the length of the complete path to the file (such as C:\Program Files\filename.txt). Windows limits a single path to 260 characters. This is why you might occasionally get an error when copying a file with a very long file name to a location
that has a longer path than the file's original location.
From the Windows Dev Center - Desktop, we read about Maximum Path Length Limitation here:
Naming Files, Paths, and Namespaces
This helps us understand why a folder can be a maximum of 244 characters, from the defined 260 length of MAX_PATH as follows:
260 minus C:\ (3) minus <NUL> (1) = 256
256 minus 8.3 file name (12) = 244
We also learn there that: The Windows API has many functions that also have Unicode versions to permit an extended-length path for a maximum total path length of 32,767 characters.
And we read the claim that: The shell and the file system have different requirements. It is possible to create a path with the Windows API that the shell user interface is not be able to interpret properly.
There is also a comment below this document that reads: In a previous iteration of this document, it is mentioned that The Unicode versions of several functions permit a maximum path length of approximately 32,000 characters composed of components up to
255 characters in length. This information is now gone.
So we are in a position where the file system and Windows API can create long path/flies that the shell cannot handle.
But then we need to be able to handle it, so a little exploration might lead to a better understanding of how to do this.
For most tasks being performed on long folder/files, Windows 7 and other Windows programs balk when the Path+Filename length > 260
Let's create a long path/file.
Create a folder called A at the root of a Drive.
Create a sub-folder of A called: B
Create a sub-folder of B called: C
Make a FILE in sub-folder C called (no spaces or break, one long continuous string): 123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J 123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T
123456789U123456789V123456789W123456789X123456.txt
Rename sub-folder C to the string (no spaces or break, one long continuous string) (The actual directory created will be slightly shorter than this full length): 123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J
123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T 123456789U123456789V123456789W123456789X123456789Y123456789Z
Rename sub-folder B to the same full string above. (The actual directory created will be slightly shorter than this full length but 2 characters longer than the step above.)
Rename folder A to that same full original string. (Again the actual directory created will be slightly shorter than this full length but 2 characters longer than the step above.)
You now have the lovely file placed at (the breaks are just so it fits into the screen):
C:\123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J 123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T 123456789U123456789V123456789W123456789X1234\ 123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J
123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T 123456789U123456789V123456789W123456789X12\ 123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J 123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T
123456789U123456789V123456789W123456789X\ 123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J 123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T 123456789U123456789V123456789W123456789X123456.txt
You have a folder length of over 700 and a file length of over 250 for a total of over 950
However you will notice that each folder, when created, could only be a maximum of 247 charachters including the path (example C:\ , & C:\A , & C:\A\B
This only applies backwards, that is up the path. It did not matter what was further down the path.
Now, you can't easily access or rename the file, but you can rename the folders easily.
For best results, start renaming from the top of the Tree, working down the subfolders, because renaming from down up will limit you, and in fact won't work if the folder lengths are too long.
So how might knowing this help us?
Well, to copy this long_file from the C:\ drive to the D:\ drive, and keeping the path structure, this should work:
Note the name of the top folder. Rename it to something very short, say: A (Make sure C:\A does not exist)
Note the name of the 2nd folder. Rename it to something very short, say: B (Make sure C:\A\B does not exist)
Note the name of the 3rd folder. Rename it to something very short, say: C (Make sure C:\A\B\C does not exist)
Make sure D:\A does not exist - then copy the A folder on disk C: to disk D: (which gives you D:\A\B\C\long_file
Rename D:\A\B\C to D:\A\B\Original_3rd_Folder_name
Rename D:\A\B to D:\A\B\Original_2nd_Folder_name
Rename D:\A to D:\Original_top_Folder_name
Rename C:\A\B\C back to their original names, in this same reverse order starting with C, then B, then A
Note: If using Explorer, at some points you might have to press the F5 refresh key.
This is of course how you might copy such long path/files without using the other more "easy" techniques for the "normal" everyday user like:
sharing a sub-folder
using the commandline to assign a drive letter by means of SUBST
using AddConnectionunder VB to assign a drive letter to a path
using the "\\?\" prefix to a path string to tell the Windows APIs to disable all string parsing and to send the string that follows it straight to the file system
and so on.
See how simple Windows can be for Dummies!
But then, how can we know that files to be copied exceed this MAX_PATH? Or also after a copy has taken place, know exactly which files that have NOT been copied because of exceeding the MAX_PATH limit, and then a procedure to copy these either by renaming
them, or by copying them intact as they are?
There have been suggestions to use
LongPathTool, but this does not have a facility to check a series of folders and tell you which files are going to be caught by the error when copying. So once a copy has taken place using Windows 7, one does not know which files did not get copied, and
where exactly they are located.
Neither does the free
Old Path Scanner do that. It can only check for overly long directory paths, but misses out when the directory path is within limits, but adding in the file name puts it out of bounds.
So, as shown above, it is ever so easy to create a long file/path using explorer.exe
So, what then is an easy way (no, not by listing out all the files in a directory to a text file and counting characters), perhaps using a shell extension, to find out which files in a directory and it's subdirectories will be (or were) too long to copy,
(and then perhaps even copying those over either intact or renamed)?

This is a not a "solution" ....but a "work around": a low tech fix....for error message "your file name is too long to be copied, deleted, renamed, moved" :
1. problem is this: the "file name" has a limit on number of characters.....the sum of characters really includes the entire path name; you gotta shorten it first (i.e, if the total number of characters in the file name + Path name are over the
limit, the error appears). The deeper your file folder sub levels are, the more this problem will come up, especially when you copy to a subfolder of a subfolder/subfolder of another path ...adds to character limit)
2. How do you know which combined file names + path names are too long if you are in the middle of a copy operation and this error pops up? Some files copied but the "long files error message" says "skip" or "cancel" ... but not which
files are the "too long" ones. If you hit "skip" or "cancel" the "too long" files are left behind...but are mixed in with non-offender "good" "short name" files. Sorting thru 1000s of "good" files to find a few "bad" ones manually is impractical.
3. Here's how you sort out the "bad" from the "good":
4. Let's say you want to copy a folder ..."Football" ...that has five layers of subfolders; each subfolder contains numerous files:
C:/1 Football / 2 teams/ 3 players/ 4 stats/ 5 injuriessidelineplayerstoolong
 There are five levels root "1 football" with subfolders 2, 3, 4 and lastly "5 injuries"
5. Use "cut" and "paste" (for example to backup all five levels to a new backup folder):
 select "1 football" ....cut....select target folder....paste
 ("cut" command means as the files are copied to the target destination, the file is deleted from the source location)
 Hint: avoid "cut" and "paste" to a target folder that is itself a sub/sub/sub folder ...that compounds the "characters over the limit" problem ...because the characters in the sub/sub/sub folder are included in the "file name
character limit"...instead "paste" to a C:/ root directory.
 Suppose in the middle of this operation...error pops up: "5 files have file names that are too long" Skip or cancel?
 select "skip" ...and let operation finish
6. Now go back and look at the source location: since the software allows only the "good" "short name" files to be copied (and because you "skipped" the "bad" "Long name" files so they are not copied or deleted) ...all that remains
in the source location are the "bad" "long name files" (because "good" ones were deleted from the source location after the "cut" operation...the bad ones stick out like a sore thumb.
7. You will find ....all that remains in source folders are: the "bad" "too long" files; in this example the "bad" file is in level 5:
 C:/ 1 football / 2 teams /3 players /4 stats /5 injuriessidelineplayerstoolong
8. select folder 5 injuriessidelineplayerstoolong (that's right...select folder, not file) gotta rename the folder first.
9. hit F2 rename folder..folder name highlighted...delete some of the letters in the folder name:
 like this: 5 injuriessidelineplayers ....you should delete 'toolong'....from the folder name
10. then go into folder 5....and do the same operation ...with the too long file name:
 hit F2 rename file....file name hightlighted...delete some of the letters
 like this: injuriessidelineplayers.....you should delete 'toolong' from the file name
11. Now..."cut and paste" the renamed file to the target backup folder.
The Error message will pop up again if you missed any "bad" files....for example, it will indicate "5 files too long" ....then repeat process 5 times until you fix all of them
12. Finally, copy the target destination files back to the source location (when you are certain all source location file folder locations are empty)
Of course, this "makeshift" solution would not be necessary if MSFT would fix the problem...

Infopackage routine for changing file name

Hi Everyone,
 I have to load flat files from application server directories. I get these files from different locations and they are saved in own (location) folders by a script). I would like to run these file from infopackage through process chain. the problem is that these files have changing names. The format is like this
Canada_co3300.csv
I can write a routine is my infopackage but "co3300" keeps changing as it represents different companies code in that particular location (Canada).
I have a routine
data: F1 type string value 'D:\usr\sap\FLAT_FILES\Inbound\Cayman\Canada_co3300_',
F2 type string '.csv'.
concatenate f1 f2 into p_filename.
How can I get a variable co---- in my routine so my infopackage can read the file if co has different value like co2000. Thanks In advance.
Regards,
Asad

Hi Saugata,
 My flat file name has a naming convention based on company code in application server folder, so I get files with name
 Canadaco3000.csv or
 Canadaco2000.csv or
 Canadaco4000.csv or something else (co number keeps changing)
So My file name keeps changing all the time. I would like my infopackage to read these files automatically thorugh a routine or logical file name. I have tried both, but donot know how to configure this scenerio thorugh my infopackage. Please give me steps to use that table you mentioned. Thanks .

Variable substitution: (delete leading zeros from file name)

Hi All,
I am configuring an IDOC to FILE (fcc scenario) with a requirement of using the IDOC number in the output file name.
Using variable substitution, I manged to get the IDOC number from incoming Idoc-control record but it comes in its entitre length with a few leading zeroes like '00000001234'.
So my output file name looks like 'Output_000000001234.txt' . I want it to be like 'Output_1234.txt'.
Is it possible to achieve it ?
Thanks
Shirin

Hi Shirin,
First supress the leading zeros of IDOC number by using the following code:
Create a user defined funciton zerosuppress and take the cache as value and take one argument input. Then put the code below:
//write your code here
String output = input.replaceFirst("^0+","");
return output;
Then use variable substitution for generating ur IDOC number in the out put file name.
Regards,
Vinod.

How do I map the source file name to a target table?

I am mapping a source fixed length flat file to oracle target tables. One of the tables is a parent transaction table that stores the date, record number, status, etc. and the file name of the source flat file. The file name will change daily because the date is part of the naming convention. Is there an easy way to determine the source file name and map it?
One option a co-worker is working on is writing a pre-mapping stored procedure. It would insert the file name into a table prior to the mapping. But I was hoping for a cleaner solution.
Thanks!

Hi
Use extarnel table to load the data from the file into the table.
Create a procedure which changes the external table definition as the filename chnages.
Use this proceudre in the mapping as a premapping process.
Ott Karesz
http://www.trendo-kft.hu

Destination file characters too long (File names) , while copying from one external to another

I have a external my book fat32 formated and a new mybook ntfs formated external as well. Now when I copy my files from the fat32 to the ntfs external all files copy fine but some give that destination location file characters are too long, meaning that the file names are too long. Now I could change the file names but that would conflict with programs that need that file name. I am using vista ultimate and would like to copy all the files over from the fat32 to ntfs so I can reformat the fat32 to ntfs. The files got on the ntfs from a simple drag and drop from my IDE NTFS internal hard drive.
I hope you guys to tell me what to do.
Thank you :)

Here's the fix....for error message "your file name is too long to be copied, deleted, renamed, moved" :
1.   problem is this: the "file name" has a limit on number of characters.....the sum of characters really includes the entire path name; you gotta shorten it first (i.e, if the total number of characters in the file name + Path name are over the
limit, the error appears). The deeper your file folder sub levels are, the more this problem will come up, especially when you copy to a subfolder of a subfolder/subfolder of another path ...adds to character limit)
2. How do you know which combined file names + path names are too long if you are in the middle of a copy operation and this error pops up? Some files copied but the "long files error message" says "skip" or "cancel" ... but not which
files are the "too long" ones. If you hit "skip" or "cancel" the "too long" files are left behind...but are mixed in with non-offender "good" "short name" files.   Sorting thru 1000s of "good" files to find a few "bad" ones manually is impractical.
3.   Here's how you sort out the "bad" from the "good":
4.    Let's say you want to copy a folder ..."Football" ...that has five layers of subfolders; each subfolder contains numerous files:
C:/1 Football / 2 teams/ 3 players/ 4 stats/ 5 injuriessidelineplayerstoolong
       There are five levels root "1 football" with subfolders 2, 3, 4 and lastly "5 injuries"
5.    Use "cut" and "paste" (for example to backup all five levels to a new backup folder):
       select "1 football" ....cut....select target folder....paste
       ("cut" command means as the files are copied to the target destination, the file is deleted from the source location)
      Hint: avoid "cut" and "paste" to a target folder that is itself a sub/sub/sub folder ...that compounds the "characters over the limit" problem ...because the characters in the sub/sub/sub folder are included in the "file name
character limit"...instead "paste" to a C:/ root directory.
       Suppose in the middle of this operation...error pops up: "5 files have file names that are too long" Skip or cancel?
       select "skip" ...and let operation finish
6.    Now go back and look at the source location: since the software allows only the "good" "short name" files to be copied (and because you "skipped" the "bad" "Long name" files so they are not copied or deleted) ...all that remains
in the source location are the "bad" "long name files" (because "good" ones were deleted from the source location after the "cut" operation...the bad ones stick out like a sore thumb.
7.   You will find ....all that remains in source folders are: the "bad" "too long" files; in this example the "bad" file is in level 5:
      C:/ 1 football / 2 teams /3 players /4 stats /5 injuriessidelineplayerstoolong
8.   select folder 5 injuriessidelineplayerstoolong (that's right...select folder, not file) gotta rename the folder first.
9. hit F2 rename folder..folder name highlighted...delete some of the letters in the folder name:
       like this:   5 injuriessidelineplayers ....you should delete 'toolong'....from the folder name
10. then go into folder 5....and do the same operation ...with the too long file name:
        hit F2 rename file....file name hightlighted...delete some of the letters
           like this: injuriessidelineplayers.....you should delete 'toolong' from the file name
11. Now..."cut and paste" the renamed file to the target backup folder.
The Error message will pop up again if you missed any "bad" files....for example, it will indicate "5 files too long" ....then repeat process 5 times until you fix all of them
12.    Finally, copy the target destination files back to the source location (when you are certain all source location file folder locations are empty)

How to add increment number to file name properly

Hi, all:
I have a simple question. As shown in the attached code, I need to add an increment number to file name and save the file. The problem is, if you run the code and put something like ".dat" in the extension name, you will see a blank space between the number and the dot in the file name. What should I do to eliminate the blank space? I can't specify the format of the file name since the file name would vary from case to case.
Thanks a lot for any suggestion and correction in advance.
Attachments:
temp.vi ‏11 KB

Hi,
Please take a look to the attached VI. I hope that I understood what you really want.
I've replaced the Vi: Format into string with Number to Decimal String plus a Concatenate String.
Now, this is working for me, I don't get a space anymore. If something is wrong, please let me know.
Regards,
Paul
Attachments:
temp_back.vi ‏11 KB

I have a question about extracting pages. When I do the function, adobe saves the individual files as " file name space page number ", so the files look like this "filename 1.pdf", "filename 2.pdf", "filename 3.pdf". Without too many gory details, I a

I have a question about extracting pages. When I do the function, adobe saves the individual files as "<file name><space><page number>", so the files look like this "filename 1.pdf", "filename 2.pdf", "filename 3.pdf". Without too many gory details, I am using excel to concatenate some data to dynamically build a hyperlink to these extraced files. It casues me problems, however, for the space to be the the file name. Is there any way to change the default behavoir of this function to perhaps use a dash or underscore instead of a space?

No, you can't change the default naming scheme. You can do it yourself if you extract the pages using a script instead of using the built-in command.

Is there a max number of names that can be put into Contacts

is there a max number of names that can be put into Contacts and still have the app work well?

Yes, there is. It's how many contacts your hard drive can take. So you can fill up the entire computer with nothing but contacts until your HDD/Flash has no space left. So if you have 250GB, it'd be less than if you had 500GB and you'd have more on 750GB.

Custom File Name-Original File Number doesn't work. Why?

I want to export and rename some files with the "Custom File Name-Original File Number" option. Yet this doesn't seem to work, and I wondered what I might be doing wrong. The filename will only rename as the custom text.
The sample file name shown underneath has a dash after the custom text bit, but then the extension only eg Newname-.tif
I am now using LR 4.2 but I seem to remember doing this renaming OK with an earlier version (though I can't remember which). This suggest that either there is a problem with this specific version or that I have something set differently to the way I had it initially. I am hoping the latter is the case. Any suggestions as to how to fix this would be welcome!

I am sorry to report that i don't know how to create a screenshot. However, what I am getting, exact;ly is this:
From Library grid view: F2 or Library>Rename Photo
Then little screen appears with heading Rename Photo:
File Naming> set to Custom Name - Original File Number
Custom Text> NewFilenameHere
Example: NewFilenameHere-.tif
Clicking on OK changes the filename to just the custom text without the original file number. Original File name shows in metadata eg DSC01129-Edit.tif
The only way i seem to be able to get the original file number with the custom text is to include it manually as part of the custom text.

ITunes appends incrementing number to file name

Hi,
I noticed that with some of my mp3 files iTunes 6 keeps on creating copies of them, appends an incrementing number to the file name and adds the new file to my iTunes library, which means I end up with multiple copies of the same song in my library.
So if I have got a file called "03 All I Need.mp3" iTunes will create
03 All I Need 1.mp3
03 All I Need 2.mp3
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etc...
Perhaps it could be related to the fact that I have got two computers accessing the same mp3 folder via a network?
I really can't explain to myself why iTunes would be doing this, but it is terribly annoying, as I end up with the same song over and over again in my iTunes library.
Does anybody know how I can prevent iTunes from doing that?
Thanks heaps!

Hi,
Please take a look to the attached VI. I hope that I understood what you really want.
I've replaced the Vi: Format into string with Number to Decimal String plus a Concatenate String.
Now, this is working for me, I don't get a space anymore. If something is wrong, please let me know.
Regards,
Paul
Attachments:
temp_back.vi ‏11 KB

How to hide the file name (the bizarre number assigned by the camera) when exporting an image version in aperture from an album. Pl understand I want to keep the file name in the project library version.

how to hide the file name (the bizarre number assigned by the camera) when exporting an image version in aperture from an album. Pl understand I want to keep the file name in the project library version.

Within Aperture you have Images, which are constructed on-the-fly from two files (the Master and the Version). You get an image-format file _only_ when you export an Image. You select the file name (usually a scheme) when you create an image-format file (that is, when you export). Look under "Aperture→Presets→File Naming" for built-in Presets. You can, of course, create your own or customize any provided.
The Preset is applied to only the file newly created by your "export" command. It is not applied to the Image in Aperture (unless you rename your Versions or your Masters).

MAX Number of charachters in a file name

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