cp - Command-line tool to copy a file

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146
votes
7answers
241k 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 ...
0
votes
2answers
199 views

Copy a full folder to another location on the same server

I would like to make a backup of a WordPress uploads folder from a a master site to a development site. I thought I would give this code a try: cp -urp /home/my_site/public_html/wp-content/uploads/* ...
0
votes
1answer
42 views

FreeBSD 9.3 and OSX color tags

I am using nas4Free 9.3.2 and FreeBSD 9.3-RELEASE-p22. I noticed after using cp, that my moved files no longer had the color coded labels I had applied in OSX. Share mounted in AFP. To test this, I ...
2
votes
2answers
3k views

How to view progress with sshpass and scp in linux?

In my Linux terminal, I am using this command sshpass -p "pass" scp -r me8@host.ca:/cmshome/me/file /home/me/Desktop to download a file with a password in it. Without the sshpass, I can see the ...
3
votes
1answer
48 views

How to ensure proper file permissions when running installer bash as sudo?

I am making a installer bash, playing with it a little too. But I just came across a serious problem: As I run the bash with sudo ./install.sh, all the files it copies are owned by root and therefore ...
0
votes
1answer
229 views

Copy all files matching criteria on find command with -exec

Below are my attempts at copying all files except .out and .class files into a subdirectory titled homework21/. Note homework21 is a subdirectory of the folder in which I am working in. ...
18
votes
2answers
2k views

What is the difference between * and *.* while copying?

What is the difference between following 2 commands? cp -rp /dir1/*.* /dir2/ cp -rp /dir1/* /dir2/
-2
votes
3answers
285 views

Understanding permissions properly for cp [duplicate]

I am trying to understand the permission usage for the cp command in unix. What are the permissions required for copying a file into a directory What are the permissions required for copying out of ...
37
votes
3answers
29k 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 ...
2
votes
2answers
14k 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 ...
27
votes
6answers
1k views

How to copy a folder recursively in an idempotent way using cp?

When I use cp -R inputFolder outputFolder the result is context-dependent: if outputFolder does not exist, it will be created, and the cloned folder path will be outputFolder. if outputFolder ...
-2
votes
1answer
74 views

Error while trying to copy file to many files using cp [closed]

Error when running this command, I think the command is clear to get the idea. cp file.txt /folder/*/*/*/file.txt I found out cp dosen't support *, so how can I do the same thing in bash or ...
5
votes
2answers
17k 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, ...
1
vote
1answer
321 views

Text file busy when I copy some files

I have this error when I want to copy some files My command: cp -rf /sasech/xgedff/pur/liv/v15h30050-DLIV0177521/dmesa/bin/* /applis/rgedff/pur/bin Results: cp: ...
17
votes
5answers
2k views

Why use diff/patch when it is easier to just use cp

diff -u file1.txt file2.txt > patchfile creates a patch file which consists of instruction for patch to convert file1.txt to be exactly like file2.txt As the title says, Can't this be done using ...
2
votes
0answers
27 views

Files appear in a different timezone after transferring to another computer (even though both computers have same timezone) [closed]

I copied some files from an Archlinux computer to an Ubuntu one, but the time on the files after being moved showed as exactly 2 hours earlier than on the computer they were originally. (2 hours I'm ...
2
votes
1answer
29 views

Copying directories unrelated file names

Apologies for the dumb question. I'm trying to copy directories of data sets that pertain to the a certain case but the data sets are currently stored in different directories and with different (non ...
20
votes
4answers
1k views

Surprised by behavior of cp with hardlinks

I understand the notion of hardlinks very well, and have read the man pages for basic tools like cp --- and even the recent POSIX specs --- a number of times. Still I was surprised to observe the ...
-1
votes
2answers
48 views

Is there a variant of the “cp -a” command that avoids copying from other filesystems?

Let's say I have a directory /data/something with the following subdirs: /data/something/iowa /data/something/wyoming /data/something/burkinafaso /data/something/slovenia All four subdirs have ...
1
vote
1answer
91 views

Folder permissions with cp --parents doesn't allow to copy another file

Scenario: with a script run by a normal user I want to copy several files, and replicate the dir structure. For example: cp --parents /lib/libacl.so /tmp/my_root/ cp --parents /lib/libc.so.6 ...
1
vote
2answers
184 views

What command should I use to move these particular elements?

Here is my initial situation: In a folder named for example Father, are stored some files in the following way: Father contains 24 children folders (let's call them Child1, Child2, ...), and each one ...
0
votes
1answer
126 views

How to backup all the files that I'm copying before being overwritten?

I have a folder like this: ./folder-a/index.html ./folder-b/index.html ./folder-c/subdir/index.html ./new-content/folder-a/index.html ./new-content/folder-b/index.html ...
-1
votes
1answer
216 views

Argument list too long with just 5000 files [duplicate]

I have a folder with 5000 files that I want to copy somewhere else. When I do cp ../folder* ., I get the following error: -bash: /bin/cp: Argument list too long However, getconf ARG_MAX returns ...
0
votes
2answers
2k views

How to use cp command in bash script to copy files with spaces ans $ characters in it? [duplicate]

I am trying to copy some files with spaces and $, @ symbols in their file names in a bash script but the script fails to copy the files stating it cannot find the file. I can see that it is treating ...
0
votes
1answer
33 views

Folder organization

I have several folders ("amazon", "niger", "rhine",...). Inside each of them I have several subfolders ("gfdl", "hadgem", "ipsl",...). Each subfolders is composed by 5 subfolders (e.g. in "amazon", ...
7
votes
1answer
657 views

Why does “cp -R --reflink=always” perform a standard copy on a btrfs filesystem?

Btrfs support Copy-On-Write. I tried to use that feature to clone a directory: cp -R --reflink=always foo_directory foo_directory.mirror I expected the command to finish almost instantly (like a ...
0
votes
0answers
11 views

csp where both source and destination are local or how to make cp show a progress bar [duplicate]

csp shows a nice progress bar when copying a file to/from a remote host. Since cp doesn't have such a nicety, it ocurred to me that I could use scp to copy files in the same machine (no remote host), ...
1
vote
2answers
94 views

Randomly copy certain amount of certain file type from one directory into another

Sometimes I have a folder full of jpg's and I need to randomly choose 8 or so of them. How could I automate this so my account randomly chooses 8 jpg's from the folder and copies them to another ...
4
votes
3answers
398 views

How to copy recursively and change file names to be unique

I have a large tree containing a lot of photos on an external drive that was formatted with one of the linux filesystem types (don't remember which one). It's mounted on my mac and I'm trying to copy ...
5
votes
2answers
177 views

`sudo cp -a` changes ownership to root (instead of preserving the original user)

I was trying to backup some directories and some of the copies made by sudo cp -av resulted in being owned by root while others preserved their attributes. Is this a known issue or am I missing ...
1
vote
1answer
154 views

What is the actual process name when nautilus is copying files?

I am copying some files from an external drive to my desktop running Ubuntu. I can see the "File Operations" dialog which shows copying process. How do I find this particular process in ps aux | grep ...
4
votes
3answers
987 views

copy all files that have no extension

We can copy some file by extensions like this: cp *.txt ../new/ but how can I copy all files that have no extension?
0
votes
1answer
39 views

Copying directories to directories with different names

How can I copy a number of directories: directory_01 directory_02 directory_03 to different directories tmp_directory_01 tmp_directory_02 tmp_directory_03 where each tmp_directory_* directory ...
1
vote
2answers
52 views

How to find file that has read permissions from root directory?

I am trying to find files with read permissions from root directory and save them under /home/student/abc direcory: find / -type f -perm a+r -exec cp /home/student/abc {} + but it shows me the ...
2
votes
3answers
3k views

How to I copy the directory and subfolders but ignore certain files in the subfolder?

I believe the question is best asked with an example. /home test1.txt test2.txt /home/my-folder test3.txt test4.txt test1.txt, test2.txt and my-folder folder are inside /home. ...
-1
votes
1answer
22 views

Copy Month wise folders

Main_Dir | --------------------------------------------------------------------- Subdir1 ...
5
votes
4answers
4k views

Copying specific subfolders with directory structure to a new folder

I am having a the following directory structure: Main_Dir | ----------------------------------- Subdir1 Subdir2 Subdir3 | | ...
1
vote
1answer
726 views

“wget --restrict-file-names=windows” seems to fail converting links for NTFS

I've downloaded a website from the net using the wget command-line tool with --restrict-file-names=windows so that once the download is complete I could copy the downloaded files to a mounted Windows ...
28
votes
5answers
38k 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
1answer
326 views

Is `--reflink=auto` safe to set as default for cp?

I am currently a user of BTRFS and would like to take advantage of the CoW such that when files are copied on the same btrfs filesystem, they are automatically deduplicated by reusing the existing ...
0
votes
1answer
169 views

Copying files containing specific text preserving directory structure

Using the code in this answer, I can easily copy a file containing specific text from one folder to another. With the -r option I can also search inside directories recursively. The result is that ...
2
votes
2answers
243 views

Copy certain files from specified subdirectories into a separate subdirectory

I want to copy all .fastq files from every subdirectory that ends in '_CSF' into another already created subdirectory, dir1_CSF. I understand how to copy certain files but not from certain ...
0
votes
1answer
68 views

Are cp -r and cp -R the same? [duplicate]

A tutorial shows cp -r http://cli.learncodethehardway.org/book/ex10.html but http://ss64.com/osx/ only shows -R.
0
votes
0answers
19 views

What is the bash path difference if asterisk is inside doublequotes or outside doublequotes? [duplicate]

Task is to copy all the files (*). I have this command failed (no path found): cp -r "somedir with space/*" /tmp But this works fine: cp -r "somedir with space/"* /tmp So, what's wrong with path ...
8
votes
4answers
7k 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 ...
4
votes
4answers
34k 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 ...
8
votes
1answer
407 views

cp says it's removing files, but shouldn't be

Making a quick backup: root@guilmon:/mnt/backup/guilmon/home# cp -uvfrx --preserve=all /home/rena/ . The output is surprising - some files are said to be removed! removed ...
2
votes
2answers
230 views

Copy files with parent folder to a new directory

I want to copy some files and include their parent directory in the process. The current structure is similar to: /Module1/A/downloads/m13312/file.pdf /Module1/A/downloads/m17312/file.pdf ...
36
votes
3answers
10k 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 ?
0
votes
1answer
198 views

cp options --no-clobber vs. --update

I want to copy a single file if (and only if) the destination does not exist. The source file changes rarely, maybe once a month. The destination almost never exists. Are there any differences ...