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Trim a File name

Posted on 2014-04-07
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Last Modified: 2014-04-07
In sql how would I remove the filename characters starting in position 22 for a length of 7    
eg. DXX_ENCOMPASS_OND_BULK_140407.txt
to become
      DXX_EMCOMPASS_OND_BULK.txt
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Question by:tesla764
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4 Comments
 
LVL 22

Assisted Solution

by:plusone3055
plusone3055 earned 100 total points
ID: 39984356
you are looking for a TRIM function.
The following link will explain how to do it in 60 seconds :)

Happy Viewing :)

http://blog.sqlauthority.com/2013/01/23/sql-server-trim-function-to-remove-leading-and-trailing-spaces-of-string-sql-in-sixty-seconds-040-video/
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LVL 22

Accepted Solution

by:
Steve Wales earned 400 total points
ID: 39984371
If it's always going to be the same format:

(assuming you have a variable called @file or something)

select @newfile = substring(@file,1,22)+substring(@file,30,len(@file)-28)

It's hard coded for a specific format (and there's probably a better way to do it, but that should work.

declare @file varchar(50)
declare @newfile varchar(50)
select @file='DXX_ENCOMPASS_OND_BULK_140407.txt'
select @newfile = substring(@file,1,22)+substring(@file,30,len(@file)-28)
print @file
print @newfile

Open in new window


Gives:
DXX_ENCOMPASS_OND_BULK_140407.txt
DXX_ENCOMPASS_OND_BULK.txt
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Author Closing Comment

by:tesla764
ID: 39984402
Thanks.
0
 
LVL 1

Expert Comment

by:JoseBarroso
ID: 39984408
Hi,

Use the SubString function

Use this example if you know the exact size name of the file:

  SELECT (substring(FileNameField ,1,21)  + '.TXT')  as sFileName  FROM TABLE__ ;

Or use this if that didn't solve with the previews answer:

  SELECT (substring(FileNameField ,1,21) +  
  substring(FileNameField,30,LEN(FileNameField))) as sFileName  FROM TABLE___;

Replace: "FileNameField" by your field name and TABLE___ by your table name.

Hope this help
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