cp - Command-line tool to copy a file

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4
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3answers
3k views

convert soft- to hardlinks with cp

The cp command's infopage offers on the option --preserve= the following: links Preserve in the destination files any links between corresponding source files. Note that with -L' ...
3
votes
1answer
287 views

cp --attributes-only documented but not working “now”?

PROBLEM: cp --attributes-only Source Target results in two files unchanged, where the attributes from Source should be copied to Target. Attempts to solve: As I have the 8.13 version of coreutils ...
4
votes
2answers
613 views

Copying large file causes excessive swap

On a mid-class CentOS 6.4/64 server with 32 GB RAM, 3 TB free disk space, operating as KVM hypervisor, I start copying a 200 GB file to a destination in the same local filesystem. In fact, this file ...
0
votes
2answers
79 views

How do I copy and paste seperately? [closed]

I know for the cp command you have to specify the source(s) and destination. But what if I have to copy say all folders under src folder, do some other operations, and then paste later on? In short, ...
3
votes
2answers
156 views

Shell-independent way to cp dotfiles from a folder to another [duplicate]

I have two existing directories : foo: directory with dotfiles in it foo2: empty directory I would like to have a solution to copy all dotfiles in foo to foo2. I would like a solution that is not ...
15
votes
4answers
1k views

Why not always use rsync?

I wanted to ask is there any reason not to use rsync for everything and abandon cp? I wasn't aware of rsync and now I don't know why cp is ever needed.
7
votes
3answers
921 views

cp or mv files to same directory they are already in when I am in another?

If I am in ~/blob and I have a file in ~/blob/a_long_directory_name/c/x.x I can type mv blob/a_long_directory_name/c/x.x blob/a_long_directory_name/even_more/y.y Is there any shortcut whereby I ...
2
votes
1answer
83 views

Why don't I see a file being copied right away with ls?

Is it due to the buffering in memory? I did cp /network/large_file . & and I kept doing ls -lh to monitor progress, but the file didn't appear until it was about 400MB. Linux 2.6 kernel, Bash 4, ...
8
votes
5answers
6k views

cp with a single argument containing wildcards [duplicate]

If I have the following 2 files and 1 folder: someuser@computer:~/Desktop/test$ ls -l total 340 -rw-r--r-- 1 someuser someuser 45082 ago 5 09:56 file1.pdf -rw-r--r-- 1 someuser someuser 291836 ago ...
3
votes
3answers
124 views

cp SOMEFILE .. copies to a different directory after cd'ing via a symbolic link

Consider the following setup: ~/Desktop/Public/subdir ~/Desktop/subdir --> ~/Desktop/Public/subdir (symbolic link) Now I do: cd ~/Desktop/subdir Which leads me into the linked directory. If ...
12
votes
5answers
14k 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 by doing: cp ...
2
votes
4answers
12k views

How to copy or move files without being asked to overwrite?

What I've tried: root@host [/home1]# cp -f hello /home3 cp: omitting directory `hello' root@host [/home1]# cp -rf hello /home3 cp: overwrite `/home3/hello/.buildpath'? y cp: overwrite ...
0
votes
0answers
22 views

file modified while doing scp/cp [duplicate]

I'm doing scp to a database while it's active. Its not very critical but I would like to know what will happen to a file when it is modified in the middle of a cp process? Does it get corrupted or it ...
4
votes
2answers
518 views

When wouldn't one want `cp` to be recursive?

Under what conditions might one wish to use the cp command on a directory yet have it not be recursive? Consider: $ tree . └── old └── inner └── a.txt 2 directories, 1 file $ cp ...
3
votes
3answers
76 views

Can I forbid the creation of files with certain permissions?

I have a directory with a certain group ID, and I only want files with the same ID to be in that directory. So I set the SGID bit on that directory, so that everytime a file is created inside it, it ...
25
votes
10answers
20k 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 ...
1
vote
1answer
512 views

Symlink Copy a Directory Non-recursively

So I want to symlink copy all the files and folders in one directory to another directory. When I use cp -s though without the -r option I get a bunch of "omitting directory" warnings, and I don't ...
2
votes
1answer
81 views

How can I make multiple copies of one folder without merging?

When two or more identically named folders are to be copied into or moved to the same location, the default option either in the GUI file manager, or using in a terminal cp -r --backup=numbered or ...
5
votes
3answers
644 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.
4
votes
3answers
234 views

Back up logs to a new directory

I need help to write a script to copy log files. There are two format of logs: System_<date_timestamp>.log trace_<date_timestamp>.log New files are generated when trace log reaches ...
5
votes
1answer
625 views

What is causing this Copy command to enter sleep state?

I am trying to recursively copy a huge directory of installables over 25G and want to preserve the owner and group id, permission modes and so on. So I ran the below commands: bash-3.2$ date; cp ...
0
votes
1answer
405 views

Simple bash script taking too long to execute

I wrote the following function in my .bashrc for use instead of rm * : function re() { cp . -R /home/glset/ritwik/trash/ rm * } It works .. but it is very slow. Even for small files it takes ...
1
vote
3answers
13k views

`cp` permission denied when copy a file owned by `root`

I have a folder udp_folder2 d------r-T 41 root root 4096 Apr 26 21:17 udp_folder2 when I'm with user other than root, I can't cp -r it into a new folder it says: Permission denied ...
2
votes
1answer
115 views

exec cp failes from script, yet works when issued directly

I have a script that copies SQL backups to a windows server. Here's the line from /etc/fstab: //my.win.box/share$ /winshare cifs ...
0
votes
4answers
145 views

concatenating multiple files with multiple headers

Im trying to concatenate multiple files with multiple headers to have one file with all the information in it for example. File 1: Numbers 1 2 3 Letters A B C File 2: Numbers 4 5 6 Letters D E ...
5
votes
1answer
6k views

Unzip file contents, but without creating archive folder

I have a file myarchive.zip that contains many directories, files, etc. Let's say this myarchive.zip file lives in a directory called "b". Well, when I use the "unzip myarchive.zip" command, the ...
1
vote
3answers
485 views

Why does this work: “cp image.bin /dev/mapper/loop0p1”?

Why does this work? cp image.bin /dev/mapper/loop0p1 image.bin is a partition image. I have tried it and works, but why? Shouldn't a dd be used?
4
votes
3answers
4k views

`cp -al` snapshot whose hard links get directed to a new file when edited

I am trying to take snapshots of a massive folder regularly. I have read here: http://www.mikerubel.org/computers/rsync_snapshots/#Incremental that cp -al takes a snapshot of a folder by simply ...
2
votes
1answer
1k 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 ...
1
vote
1answer
64 views

How rename directories tree entry by entry

I have text file contain two columns: current directory name the new name of the last entry d_7154/d_7161/ 'Main Integration' ...
2
votes
2answers
926 views

Can one copy a relpath in one command?

I find myself doing this often enough that I wonder if there's a standard Unix way to do it: % mkdir -p /TARGETDIR/relative/path/to % cp ./relative/path/to/somefile /TARGETDIR/relative/path/to In ...
2
votes
1answer
2k views

Minimal command to make a copy of a file [duplicate]

I often find myself copy-pasting long path in order to create a copy of a file cp /path/to/file/file1 /path/to/file/file1.bkp Is there an alternative utility that will NOT require me to type the ...
23
votes
9answers
31k views

How to check progress of running cp?

Is it possible to check the progress of running cp process? Some processes respond to various KILL signals so that you can check what is their status. I know that I can run cp with parameter -v but ...
2
votes
2answers
11k views

faster alternative to cp -a

For a simple transfer of /home to another disk i use cp -a that seems to me an extremely slow way. Should like know a more efficient way to complete the task. I have /home mounted as logical volume, ...
8
votes
2answers
347 views

Why do `cp` and `rm` treat directories separately?

Why do tools like cp and rm treat directories separately from regular files? They both require the user to explicitly specify she wants a recursive behavior, or else they won't deal with directories ...
2
votes
1answer
243 views

What happens when I copy a file from one network location to another

Suppose I have three networked computers: A, B and C. A mounts a directory from B and from C. A/mnt/im-on-B/ A/mnt/im-on-C/ A then copies a file: cp /mnt/im-on-B/file ../im-on-C/ What happens ...
2
votes
3answers
348 views

How to copy a list of files and adjust destination filenames on the fly?

When I don't need to adjust destination filenames I can do something like this: $ find -type f -name '*.pat' -print0 | xargs -O cp -t /path/to/dest It is safe because the filenames may even ...
54
votes
8answers
46k 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 ...
1
vote
1answer
402 views

Killed `rm` and `cp` on nfs share

I am just testing an rsnapshot installation on my laptop which should backup to a NAS mounted via nfs on my laptop. On one test rsnapshot died with a cp -al problem (i.e. a problem with hard links) ...
1
vote
2answers
188 views

Shell : Сopy one directory to multiple directories

There is a directory YYY and a structure on the site: site1.ru/wp-content/plugins/ site2.ru/wp-content/plugins/ ... site10.ru/wp-content/plugins/ Task: YYY directory to copy all directories plugins ...
2
votes
3answers
304 views

How to cp or rm files based on ownership / permission

After a problem with spam, I stopped postfix postfix stop and checked through the mailq manually to find hundreds of thousands of unsent spam. The spam was sent from one of the sites hosted ...
8
votes
1answer
108 views

Is there a way to express: `--link` or fall back to ordinary copy in cp (from GNU coreutils)?

Is there a way to tell cp to --link (i.e. create hard links), but fall back in the case where I am attempting inter-device hardlinks? Inter-device links aren't possible and would cause cp to fail. ...
2
votes
3answers
581 views

Use find + sed + cp to find files and copy them to a directory with a different name

I'm trying to copy a bunch of files named folder.jpg into a folder. The problem is because all the files are named the same thing, I need to rename them in the process. I know I can probably do it ...
2
votes
1answer
282 views

How can I copy a git repo from a Makefile?

I'm writing a Makefile to sync my local dotfiles with GitHub. I recently decided to also add my .vim folder to the repo. But when trying to copy the .vim folder I keep getting a Permission denied ...
0
votes
0answers
46 views

Move files replacing? [duplicate]

Possible Duplicate: ‘mv’ equivalent of drag and drop with replace? I'd like to take a folder /a/b/c, and copy all files in /a/b/x into /a/b/c, replacing all files in /a/b/c with the ones in ...
1
vote
1answer
1k views

How to copy symbolic links while preserving the validity of the link?

Say under directory /usr/local/boost_1_52_0/stage/lib, I have a symbolic link: libboost_timer.so, which points to the regular file libboost_timer.so.1.52.0 in the same directory. How can I cp the ...
8
votes
2answers
7k views

tar files from another directory without copying them

This should be very simple for experts in here. I have a Linux account with user disk quota of only 6GB. There is some data-folder in /opt with about 3GB of data with when compressed comes up 1GB. ...
9
votes
6answers
2k views

How to copy every 4th file in a folder

I have a lot of files in a folder, named like 00802_Bla_Aquarium_XXXXX.jpg. Now I need to copy every 4th file to a subfolder, saying in selected/. 00802_Bla_Aquarium_00020.jpg <= this one ...
1
vote
2answers
760 views

Copying only differences?

I want to recursively copy one directory over another, however I only want to copy differences. The reason is that I'm doing this on Solaris on a volume which is snapshot, i.e. if I'm copying 100gig ...
4
votes
2answers
281 views

Copy files with deleting suffix in name

How can be done coping files that have some suffix at the end, into same dir with the smallest command possible: Example have directory containing files: cassandra.yml.example database.yml.example ...