Ubuntu :: Command With The -r Option To Compare A Large Number Of Files And Files In Subdirectories
Jun 16, 2011
I am using the diff command with the -r option, to compare a large number of files and files in subdirectories. My main interest is to find out which files have been changed, and not what the actual changes are, and since a lot of files has been changed, it would be a lot easier to view the file names only. Is there and option for diff that might do this, or does there exist a similar tool/command that could do the job?
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Dec 6, 2010
in my middle of script i am using tar command to tar some 1000 images and size of each image is 5MB.
all the images are provided as argument as tar -cvf file.tar <all images as argument>
but my tar file file.tar does not contain all the images.
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Jul 20, 2010
This problem is not exclusive to Ubuntu, I've experienced it in Windows and OSX as well, but it seems that almost every time I transfer a large number of files (i.e. my music collection) between my desktop computer and laptop via my external hard drive, I end up losing files for no reason. I usually don't notice the files are missing until later on, because I am never informed of any data loss. Now, every time I make a large transfer of files, I just do it two or three times to ensure that I don't lose any files.
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Feb 21, 2011
We recovered a large number of files from a HD I messed up. I am attempting to move large numbers of files of a type e.g. .txt .jpg , into a folder by type to more easily sort through them.
Here are the commands I have mainly been trying with various edits:
Code:
Code:
So far the most common complaint I have gotten "missing arguments to execdir".
This is on Ubuntu 10.04
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Feb 10, 2010
I've a directory containing around 2.8 lacs of files. I want to move them to another directory.If I use cp or mv then I get an error 'argument list too long'. If I write a script like
for file in ls *; do
cp {source} to {destination}
done
then because of ls command , its performance degrades.How can I do this?
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Mar 15, 2011
I am facing problem in copying a large number of file 18 lakh (18,000,000) files from my personal hardisk to another hardisk each file is very small and size of folder is around 3.95 GB copying files using copy given by Windows is frustrating and I am not even able to compress file its giving me error that its not readable.And problem is I am not able to open this drive in Linux it showing me error there saying do diskchk in Windows and Windows disk check is also not able to repair this drive and goes into some mode unsolvable.Is there any way to open disk with error to open in Windows and if not any way I can copy data faster?ERROR: Disk labled EDU is corrupt go to windows and chkdsk /f there and reboot into window 2 times.
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Aug 17, 2010
I understand that chroot is usually used to provide security, however, for my issue, security is a big don't care. I am very new to using chroot and don't fully understand how the chroot'd env works.
problem: Trying to use a vendor supplied cross compile environment. The environment runs as a chroot'd env and works just fine. I have a large number of additional modules that I wish to compile in the chroot'd environment. FYI, these modules are also (succesfully) compiled for other targets not using chroot'd env's. Copying the source files into the the chroot environment is not an option (don't have hours to wait for copies to finish and it would break the make system). Having them live in the environment is also not an option (the chroot build is a tiny part of the build process and we cannot revamp our entire source tree to accommodate it).
I am looking for a way to have the compiler in the chroot'd env have access to a path that is outside of the env and typically higher up in the same path that holds the chroot'd env. I have tried soft links (they don't work as expected). Hard links only work for single files and there are 10's of thousands of files that would need to be linked. I am not sure how I would go about exporting the additional files and then mounting the exported files in the chroot'd env (or if that would even work).
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May 28, 2011
I have the standard problem of trying to count a large number of files in a directory (>100k)
I have tried: ls ~/user/images/* -l | wc -l and find ~/user/images/* -maxdepth 1 -type f | wc -l
In both cases, I get the argument list too long error message.
I have tried using xargs but I can't seem to get it to work right.
The command
returns a valid answer but it includes all the subdirectories in the file count.
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Nov 18, 2010
I'm trying to extract the sender id from a fairly large number of files and am having trouble assigning variables from a file. Here is what I have so far, (which is fairly kludgy I know, but it's been some years since I've done any scripting or programming, and I find that I have lost the knack to a large degree).
[Code]...
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Sep 18, 2010
I want to move files from a $SOURCEDIR to a $DESTBASE/$DESTDIR. Under $DESTBASE there are many directories, and I need to test beforehand if a file from $SOURCEDIR already exists in any of them.
This is obviously extremely slow, and the real use case involves dozens of dirs and thousands of files. Creating a temporary "index" file for the find command (instead of running it every iteration) speeds it up a little, but it's still very clumsy.
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Jan 13, 2011
i have file1 and file2.
[Code]...
Here i want to compare these two files with diff command and need to take the common things in a separate file. File contents are 7 strings in length and everything will start with the character e. File 3 contents should be
[Code]...
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Nov 18, 2010
This question is very similar to this one except that I want to maintain the file's original subdirectories.
For example if I had
/temp/a/a.txt
/temp/a/a.jpg
/temp/a/b.txt
/temp/b/c.txt
/temp/d/d.txt
/temp/d/d.jpg
/temp/d/e.txt
/temp/f.txt
[Code]...
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Jun 10, 2010
I need to copy all subdirectories and files from one directory to another ever 5 minutes or so, with the old data automatically being overwritten with the new data. I'd also like this to run at startup. Is there any way this can be done? If so, what program would I need to schedule the automation and what is the command line I would need.
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Oct 5, 2010
I know I can do find . -type f, but that includes binary file and I couldn't find a way to exclude them with find
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Oct 20, 2010
I have two servers, one has an empty / and the other has a subdirectory with a large number (4 gig) with many, many files. I need a way to transfer the files en masse from the server with the large number of files to the one that is essentially blank.I don't have space on the used host to simply gzip all the files. I've googled this and see that there may be some combination of tar and/or gzip that will let me do this with some sort of redirection.
I really need and example line of how this can be accomplished. If my explanation seems rather sparse, I can supply more details.
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Oct 15, 2010
What command will provide you with the number of files in your current directory?
Choose one answer.
A. ls -c
B. ls | wc -w (this one)
C. ls -n | count
D. ls -wc (this one ?)
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Feb 14, 2010
I've discovered that Dolphin seems to lose random files when copying many large folders.
I first noticed this a few months ago when I tried to copy my music library from one folder to another on the same HDD. It consisted of around 600 folders and 6500 files. During the copy there were no errors but after the copy I found that some of the newly copied folders were missing files. I put it down to human error or a glitch.
Yesterday I tried to copy 13 folders containing rips of some of my DVDs. Each folder basically had one film of either 700MB or 1.4GB. Again no errors showed up during the copy but I found 3 of the newly copied folders were empty.
It's not so critical with music or films but I can't afford to lose work data like this.
Has anyone experienced or seen a similar problem with Dolphin? I'm going to have to do some more extensive testing but this is not good.
The first time I noticed the problem I was running KDE4.3.4 (I think) and now the latest was with KDE4.4.0.
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Jan 20, 2009
I want to automate this using script.How to automate it?
File1:
s.no# 1 name:aaaaaa
city:abcd
[code]...
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Sep 4, 2010
i currently have hundreds of files all in a single directory. What I would like to do is create 8 subdirectories and move the files into the subdirectories based on the first character of the file name. Ideally, the script would omit any 'the' or 'a' and use the second word for filing purposes. No filenames have spaces. Instead they use periodsThe subdirectories will be:
0-9
a-d
e-h
[code]...
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Jun 25, 2011
I have a large directory tree with my ebooks and some of these files are zipped. I would like to move all of the zip files to another one so I can manipulate them. Since they are all scattered inside the tree, I would like to do it quickly and painfully with CLI. How should I proceed?
[code]...
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Feb 22, 2010
How can I remove all .swp files in all of my subdirectories under Linux?
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Mar 10, 2011
How can I search for a string (for example, a constant) in all the (.cpp) files in the current direcotire and subdiretories.
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Jun 20, 2011
I am not able to print multiple files when using the -#X (number of copies) option using lpr command.
The below is the command that i use :
lpr -#2 -o landscape -o deliver-to=Location -Pmyprinter file-name.pdf
Is there any configuration files that i need to modify for this option to be available ?
The printer that i have is using Postscript driver.
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Mar 1, 2010
I've found several posts discussing how to do this in with the terminal, but none exactly fit what I am trying to do. And since I'm still very new, I was hoping for some help.
I have a parent directory called "Music." The subdirectories all start with "artist", some go further as in "artist/album/cd1". So right now the structure varies in the following ways code...
How can I move all the files (or the file types that I choose) to the parent directory "music"?
(By the way, for any who are interested, this is so that I can use an external hd with a PS3. ("playstation 3"--for anyone who was in my predicament searching the threads)
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Dec 18, 2010
Two machines -- both 64-bit, both the latest Truecrypt installed, one Windows, one Linux. I created encrypted pendrive (using partition mode; not file-partition on regular partition) with FAT system on it. I copied several files/directories there -- using Windows. Then I unmounted it, mounted in Linux, but when I checked if everything is OK, it appeared that only the highest level of file hierarchy is visible -- i.e. only files and directories at mount point. Directories are seen as empty (in fact they are NOT empty). When I unmount pendrive and mount it again on Windows, all files/subdirectories are visible again. It is not an issue with older version of TC on Linux, because the version is the same. The question: how to make files in subdirectories visible on Linux?
[code]...
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Dec 26, 2010
In reading the rsync man page and browsing a lot of websites, I ended up a bit confused, or maybe it was just too much eggnog. Anyway, to exclude a directory "videos" with everything in it, which is /home/user1/camera/videos and I'm rsyncing the whole user1 directory to an external drive
[code]...
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Mar 10, 2010
How can I compare two pdf files for text differences
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Dec 20, 2010
I would like to compare them, in terms of amplitude, length, tempo, ... Which program could basically analyse them giving an sufficient output data
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Feb 11, 2010
I'm able to use the following to remove the target directory and recursively all of its subdirectories and contents. find '/target/directory/' -type d -name '*' -print0 | xargs -0 rm -rf
However, I do not want the target directory to be removed. How can I remove just the files in the target, the subdirectories, and their contents?
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Aug 9, 2011
file 1 :
DB_NAME FIRST_ACTIVE_LOG DBPARTITIONNUM
-------- -------------------- --------------
BP1 279231 0
BP1 12735 1
BP1 12734 2
BP1 12735 3
BP1 12616 4
[Code]...
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