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Uncompress File Through Cmd Shell

Posted on 2010-11-17
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Last Modified: 2012-05-10
Hi all im using sql server 2000 and windows 2003 and i want to be able to uncompress a file using a cmd shell and wondered if anyone had the syntax to do this?
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Question by:LBGUC04
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Expert Comment

by:EvilPostIt
ID: 34154063
When you say uncomress a file....

Do you mean the file has the compress attribue assigned to it?

Is the file compressed with a third party tool?

Is the file in a windows compressed folder?
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Expert Comment

by:Bogeholm
ID: 34154165
Try this VBScript:


http://www.robvanderwoude.com/vbstech_files_zip.php
Be sure to go to the "UNZIP with System.Shell Folder's CopyHere method", last on the page
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Author Comment

by:LBGUC04
ID: 34154175
thank you for yoru response but this must be done using a sql statement
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Expert Comment

by:EvilPostIt
ID: 34154189
If you already have the command then just use

EXEC xp_cmdshell N'COMMAND'

Open in new window

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Author Comment

by:LBGUC04
ID: 34155302
I have tried the following but i just get an error

exec master..xp_cmdshell 'Extract "U:\TestExtract\test.zip","U:\TestExtract"'


Extract - Verity, Inc. Version 5.0.0 (_nti40, May 13 2003)
Usage: extract [-xnv] -credentials user[:password][:domain][:mailbox] basename collname [query]
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Expert Comment

by:Bogeholm
ID: 34155437
Hi LBGUC04

The internal command EXTRACT is not capable of extracting a ZIP-archieve!

You could use the VBScript i posted earlier. It can be executed using cscript.exe

E.g: "cscript.exe unzip.vbs"
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Author Comment

by:LBGUC04
ID: 34155465
I need to find a way to do this using sql code, i can esily compress a file so there must be a way to unompress
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Expert Comment

by:EvilPostIt
ID: 34155511
Does the extract command that you ran inside of the xp_cmdshell work normally?
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Author Comment

by:LBGUC04
ID: 34155514
i have never used it before i got it from the link above
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Expert Comment

by:EvilPostIt
ID: 34155586
Could you answer my original questions please?
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Author Comment

by:LBGUC04
ID: 34155632
i did

Does the extract command that you ran inside of the xp_cmdshell work normally?

What does this mean?

If i run exec master..xp_cmdshell 'Extract'

then i get this

Extract - Verity, Inc. Version 5.0.0 (_nti40, May 13 2003)
Usage: extract [-xnv] -credentials user[:password][:domain][:mailbox] basename collname [query]

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Expert Comment

by:EvilPostIt
ID: 34155644
Sorry i waas refering to my first post.

When you say uncomress a file....

Do you mean the file has the compress attribue assigned to it?

Is the file compressed with a third party tool?

Is the file in a windows compressed folder?
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Accepted Solution

by:
LBGUC04 earned 0 total points
ID: 34162363
Dotn worry i founf out how to do it using UNZIP in cmd shell
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Expert Comment

by:Bogeholm
ID: 34162962
Hi LBGUC04,

Please share your solution :-)
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Author Comment

by:LBGUC04
ID: 34163179
--Uncompress Files
declare @sql varchar(8000)
set @sql = 'exec master..xp_cmdshell ''UNZIP -j -o U:\TestExtract\test.zip -d U:\TestExtract'''

print @sql
exec (@SQL)
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Author Closing Comment

by:LBGUC04
ID: 34186511
i have the answer
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