cp - Command-line tool to copy a file

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22
votes
10answers
9k views

Is there a faster alternative to cp for copying large files (~20 GB)?

I am a graduate student, and the group in which I work maintains a Linux cluster. Each node of the cluster has its own local disk, but these local disks are relatively small and are not equipped with ...
3
votes
3answers
79 views

Copy a file and overwrite the existing file

I have two images (image1.png and image2.png) in the same folder on my server, I want to run a command that overwrites image2.png to image1.png. I prefer to overwrite the image instead of deleting it ...
2
votes
3answers
45 views

copying parallel directories Why does cp -r work this way?

The following works correctly (ie does what I want) cd /var/www/release/ mkdir wiki cp -rp ../html/wiki ./ However if I do (what seems more intuitive) cp -r ../html/wiki ./wiki it will ...
0
votes
2answers
19 views

Copy over existing files without confirmation?

I need to copy and over-write a large amount of files, I've used the following command: # cp -Rf * ../ But then whenever a file with the same name exists on the destination folder I get this ...
39
votes
6answers
73k views

How do I copy a folder keeping owners and permissions intact?

So I was going to back up my home folder by copying it to an external drive as follows: sudo cp -r /home/my_home /media/backup/my_home With the result that all folders on the external drives are ...
-1
votes
1answer
48 views

How do I properly allow user jenkins to write to a specific directory under user minecraft home directory?

I am using Jenkins, I want to copy a file from the Jenkins directory in to the minecraft user directory, but I am not sure how to go about this, as when I run cp build/versions/*.info ...
1
vote
1answer
336 views

Can I get the backup option of cp and mv to work with directories?

--backup[=CONTROL] make a backup of each existing destination file The man page does say that it works on file. It doesn't seem to have any effect on directories. Is there anyway to make this ...
2
votes
1answer
36 views

Copy file from USB drive to a desktop loaded via a LiveCD

I have booted my computer using a LiveCD and want to copy a file from a USB drive to the LiveCD loaded desktop. I want to copy a file from the USB drive to the desktop environment in memory, which ...
2
votes
2answers
72 views

Use output from head to copy files with spaces

I have 11 files with spaces in its name in a folder and I want to copy the newest 10. I used ls -t | head -n 10 to get only the newest 10 files. When I want to use the expression in a cp statement I ...
3
votes
6answers
784 views

Make directory copies using find

I have a directory with a bunch of subdirectories in it. Thus /usr/local/src/ccl/ccl-1.8/x86-headers$ ls elf gl gmp gnome2 gtk2 jni libc Each of these directories has a further subdirectory C ...
5
votes
3answers
633 views

Batch copy to multiple directories

I have about 9000 files in a directory and I want to mv them into 90 files in 100 directories by filename order, ignoring any remainder. In Copy multiple files from filename X to filename Y?, Caleb ...
1
vote
0answers
89 views

Copy files to parent directory using relative pathnames [closed]

If I'm in the current working directory of oxford. How would I copy outline.doc, and place it into the sample_dir directory using relative pathnames? I've tried cp outline.doc ../outline.doc
1
vote
3answers
36 views

Sharing a project tree between environments

To save space and time I copied a large project tree on a network drive as hard links, i.e. cp -a -r --link proj proj_B (background: it's huge, needs to be rebuilt from two incompatible ...
3
votes
5answers
3k views

Copy specific file type keeping the folder structure

I have a folder structure with a bunch of *.csv files scattered across the folders. Now I want to copy all *.csv files to another destination keeping the folder structure. it works using: cp ...
7
votes
5answers
5k views

How to copy directories with preserving hardlinks?

How to move directories that have files in common from one to another partition ? Let's assume we have partition mounted on /mnt/X with directories sharing files with hardlinks. How to move such ...
27
votes
4answers
11k views

Difference Between cp -r and cp -R (copy command)

cp- r is meant to copy files recursively, and cp -R for copying directories recursively. But I've checked, and both appear to copy both files and directories, the same thing. So, what's the difference ...
0
votes
1answer
47 views

How use `rsync -R` with multiple subdirs or install -D with multiple files?

Is possible with rsync to copy multiple files from a source directory to a dest directory with multiple subdirectories that don't exist? Or use install -D with multiples files to a directory that ...
1
vote
1answer
107 views

Copy directory, but fail if file already exists at destination

cp -a foo/* bar/ will copy the contents of foo into bar, replacing any files that already exist. I can use the -n flag to make cp not overwrite existing files or -i to make it ask interactively ...
0
votes
2answers
48 views

How can I cp different files to an alias that is changing

I would like to be able to replace cp x.x ~/some/long/directory/that/is/deeply/nested/ with cp x.x s1 where s1 is an alias that points to /some/long/directory/that/is/deeply/nested/ However the ...
6
votes
2answers
254 views

Copying one file to multiple directories

I have a file that I want to copy to another 60 directories. The best way I can think of doing this is by making a bash script that has instructions to every folder like this: cp script.sh ...
5
votes
7answers
519 views

Can I avoid enter key in cp -i?

I often need to selectively archive a long list of files using cp -iar, or similar, and to speed up the process I would like to press just one key instead of y or n followed by ENTER on every file. In ...
2
votes
3answers
47 views

How can I use an “alias” for the destination directory when copying?

I frequently edit startup files such as my .bashrc file Then I copy them to another direction such as ~/Dropnot/level1/setups/bash1 Is there any way I can cp such files to the above location with ...
5
votes
2answers
147 views

copying a directory+renaming it

I want to copy a directory from: path1/dir1 to path2/dir2 the first time I invoke cp -r path1/dir1 path2/dir2 there's no problem, dir2 is created under path2 ls path2/dir2 bu the 2nd time, ...
7
votes
5answers
511 views

copy smallest files first?

I have a large directory containing subdirectories and files that I wish to copy recursively. Is there any way to tell cp that it should perform the copy operation in order of file size, so that the ...
1
vote
2answers
318 views

cp and mv if the file named already exists

What happens when you give the following commands if the file named done already exists? $ cp to_do done $ mv to_do done
6
votes
1answer
363 views

preserving extended attributes with cp/rsync

When copying with cp, the extended attributes are not preserved, even with explicit cp -a --preserve=all /source /dest or cp -a --preserve=xattr /source /dest The same is with rsync, i.e. ...
0
votes
2answers
39 views

Prompt when copying multiple files?

When copying multiple files from one directory to another is there a way to get bash to run through each file and ask for y/n? I vaguely remember adding something to the end of my command like 'ok?' ...
1
vote
2answers
86 views

moving files of certain formats from subdirectoris to directories with same folder names

I’ve got a weird situation. I have 100s of folders with flac and mp3 copies of the same tracks. I need to separate the mp3s from the flacs and put them into similarly named directories. for example: ...
22
votes
3answers
8k views

Why unix mv program doesn't need -R (recursive) option for directories but cp does need it?

This is a kind of "wtf?" question, so I'm sorry if I will disturb someone's vision of how things should be or if I will just annoy you with the "stupid" question. I always get messed up when need to ...
1
vote
0answers
75 views

Copy file if no error was encountered, else delete copied portion

I am copying a folder in Linux with plenty of files. Some of the files give me error like this: Error splicing file: Input/output error The problem is that it keeps the file in new location though ...
4
votes
3answers
219 views

Search for specified keywords in files and copy to a new filename based on the keyword

I'm trying to create an .sh script where if any keyword is found in a file then copy that file to the directory /pathtofolder/keywords/$thefirstkeywordfound (overwrite the file if it already exists). ...
0
votes
2answers
557 views

copy files modified after specific date using cp switches

When I execute the command find . -mtime -60 I get the list of files modified within the last 60 days. So when I execute find . -mtime -60 -exec cp {} /tmp/1 \; I can copy these files to a new ...
1
vote
2answers
90 views

How can i keep the mtime of files and directories in bash when I use rsync or cp? For use in Backup/Incremental Backup

I have a new NAS box and after looking through numerous backup solutions I've found doing it manually through PuTTy to work the best. After logging in to the box through PuTTy as root, I first need ...
5
votes
3answers
264 views

How to alias cp with cp -i by default

Is there a good way to alias the command cp file1 file2 to cp -i file1 file2? Apologies if this is a dumb question, I'm a Unix novice.
25
votes
2answers
7k views

Why doesn't cp have a progress bar like wget?

Please note that I don't ask how. I already know options like pv and rsync -P. I want to ask why doesn't cp implement a progress bar, at least as a flag ?
5
votes
1answer
1k views

cannot create regular file 'filename': File exists

I've been getting this strange error message in one of my build scripts - cp fails, returning the error "File exists". I've even tried using cp -f, which should overwrite the file if it exists, but ...
2
votes
2answers
122 views

Is there a --parents option for mv like for cp?

cp has a useful feature --parents that allows a file's directory structure to be copied to another directory: $ cp -v --parents source/directory/from target/ ‘source/directory/from’ -> ...
6
votes
2answers
11k views

Using rsync to move (not copy) files between directories?

I have been using rsync to copy files for some time. My understanding is that rsync is faster than cp when some of the files to transfer are already in the destination directory, transferring only the ...
5
votes
3answers
1k views

recursively copy only images and preserve path

I'm working on a website migration. I have a scrape of the site, with all the files and directory structure as you would see them in the URL. I want to pull all images, maintaining the directory ...
8
votes
4answers
2k views

pv for directory copy

I need to copy a very large directory (talking in terabytes here) and want to monitor the progress. I found that pv is a nice utility, but how can I use it for copying directories recursively? (pv ...
1
vote
1answer
96 views

Will files created under source directory after running `cp` be copied?

Suppose I use cp to copy a directory to another place. If the process takes long, and I create a new file under the source directory, will it be copied, or does it depend on something?
2
votes
1answer
33 views

Confusion on the cp command when creating a new directory

Let me explain my problem with a simpler scenario. We have these two directories: ~/Foo and ~/Bar. Foo contains the files test1.txt and test2.txt. If I run the command cp -R Foo Bar, the Bar directory ...
4
votes
2answers
500 views

CP: max source files number arguments for copy utility

Consider that there are countless number of files under /src/ cp /src/* /dst/ How many files cp will successfully process?
2
votes
2answers
68 views

Copying recursively files with spaces

At the moment I have a set of files of the form of: /dir one/a picture.jpg /dir two/some picture.jpg What I want to do is copy and change the end to -fanart.jpg to the filename to: /dir one/a ...
2
votes
3answers
1k views

cp --no-target-directory explained

Question: I need a simple example of how to use cp --no-target-directory. I do experience some difficulties in understanding cp --no-target-directory. I do understand the explanation for mv ...
2
votes
1answer
765 views

Copying a working Linux instead of installing a new one [duplicate]

It is possible to move an installed Linux from one drive to another or from one disk to another by two methods: dd command which copies sector by sector including boot sector cp command, and then ...
4
votes
2answers
3k views

issue with find -exec cp

Consider this example (newbie alert): touch test0 touch timestamp touch test1 sudo find /var/www/import -iname 'test*' -newer timestamp -exec cp {} new \; It actually copies file test1, but it ...
3
votes
1answer
43 views

**/ not working with a mounted volume

I'm trying to recursively extract a set of .jpgs from a mounted volume using SMB1, to a folder on my computer. Here's what I've got: cp -a **/97*.jpg /Users/.../All_Covers This works as long as my ...
24
votes
4answers
13k views

Is it possible to see cp speed and % copied?

I'm having problems when copy large files using nautilus (it gets stuck) so I need to copy using cp. I would like to know if there is any parameter that shows the % copied and also the transfer ...
4
votes
1answer
75 views

When do I use cp --attributes-only

Doing some study on basic Unix commands and trying to get an example when I want to use the following command line option --attributes-only for command cp here is from cp man page --attributes-only ...