How to copy a directory without specific files?


 
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# 1  
Old 07-27-2014
How to copy a directory without specific files?

Hi

I need to copy a huge directory with thousands of files onto another directory but without *.WMV files (and without *.wmv - perhaps we need to use *.[wW][mM][vV]).

Pls advise how can I do that.

Thanks
# 2  
Old 07-27-2014
Quote:
Originally Posted by reddyr
I need to copy a huge directory with thousands of files onto another directory but without *.WMV files (and without *.wmv - perhaps we need to use *.[wW][mM][vV])
Use "find":

Code:
cd /path/to/sourcedir
find . ! -name "*.[wW][mM][vV]" -exec cp {} /path/to/targetdir \;

Note that you have to change into the directory first, because "find" will find ./file, which can used in the cp-command directly, while with an absolute path you'd get the absolute path /path/to/sourcedir/file which you'd need to modify first.

I hope this helps.

bakunin
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# 3  
Old 07-27-2014
Should you use a recent bash with extended pattern matching, you could try:
Code:
shopt -s extglob
ls !(*.wmv|*.WMV)

These 2 Users Gave Thanks to RudiC For This Post:
# 4  
Old 07-27-2014
Thanks bakunin and RudiC for your replies.

Your solutions are correct as per the requirement i mentioned in my post. My bad, I missed to mention that the directory has sub-directories (and further sub-directories) too which have *.wmv files. The solution you offered working only for non-recursive directories. I tried cp -r with find but it copies all wmv as its parent directory doesn't wmv.

Please suggest a solution for the scenario where I have *.wmv files in sub-directories (any depth) too. Thanks a lot.
# 5  
Old 07-27-2014
Unless there is something else you haven't told us, bakunin's script does exactly what you have requested: find all files in or under a source directory with names not ending in *.wmv or *.WMV and copy them into a single destination directory. (I would have used + instead of \; to terminate the -exec to make it run much faster when copying thousands of files, but that only affects speed; not which files will be copied.)

Oops, I take it back, he missed a key point. His script copied directories as well as regular files. And, you can't use -exec ... + when {} is not the last argument. Try:
Code:
cd /path/to/sourcedir
find . -type f ! -name "*.[wW][mM][vV]" -exec cp {} /path/to/targetdir \;


Last edited by Don Cragun; 07-27-2014 at 09:25 PM.. Reason: Missed that bakunin's script was copying subdirectories... and + won't work in this case.
# 6  
Old 07-27-2014
You should also have a look at some of the options available to the cp command in the manual.

You will need to make some decisions on what you want to do with any file links, file/directory permissions/ACLs, date/time stamps owners and groups for directories and files in the tree.

gnutar has quite a sensible set of defaults for all this stuff and the following has a good chance of doing what you want:

Code:
cd /path/to/sourcedir
tar -c -f - --ignore-case --exclude=*.wmv . | (cd /path/to/targetdir ; tar xf - )

This User Gave Thanks to Chubler_XL For This Post:
# 7  
Old 07-28-2014
Quote:
Originally Posted by Don Cragun
Oops, I take it back, he missed a key point. His script copied directories as well as regular files.
True - my bad. My only excuse is one shouldn't answer threads before the second coffee.

Code:
cd /path/to/sourcedir
find . -type f ! -name "*.[wW][mM][vV]" -exec cp {} /path/to/targetdir \;

This will probably not work either, because now the directory hierarchy will not become copied and some files (the one in sub-subdirectories) will have no proper targets. I suggest to do it in a two-pass way:

Code:
cd /path/to/sourcedir
find . -type d  -exec mkdir -p /path/to/targetdir{} \;
find . -type f ! -name "*.[wW][mM][vV]" -exec cp {} /path/to/targetdir +

The first pass creates a copy of the directory structure, the second copies all the files. If you need to copy filemodes, ownerships, etc. too, you need to modify the "cp"-command accordingly: "cp -p ...".

@Chubler_XL: using "tar" for that was my first impulse, but it would limit the solution to a system where the GNU-tar is available.

I hope this helps.

bakunin
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