How can I copy the contents of a folder to another folder in a different directory using terminal?

You can copy the content of a folder /source to another existing folder /dest with the command

cp -a /source/. /dest/

The -a option is an improved recursive option, that preserve all file attributes, and also preserve symlinks.

The . at end of the source path is a specific cp syntax that allow to copy all files and folders, included hidden ones.

An alternate is rsync:

rsync -a source/ destination

The advantages of rsync are:

1. After the initial sync, it will then copy only the files that have changed.
2. You can use it over a network, convenient for files in $HOME, especially config files.

Lets say you have a folder called folder1 in your ~, inside folder1 is 1 file called file1 and 2 folders called sub1 and sub2 each with other files and folders inside them.

To copy all the contents of ~/folder1 to ~/new_folder1 you would use

cp -r ~/folder1/. ~/new_folder1

new_folder1 would then contain all the files and folders from folder1.

cp is the command to copy using a terminal, -r makes it recursively (so, current directory + further directories inside current) ~/folder1 is the origin folder, ~/new_folder1 is the destination folder for the files/folders inside the origin.

Simple example.

Copy the directory dir_1 and its contents (files) into directory dir_2:

cp -r ./dir_1 ./dir_2
# or
cp -r ./dir_1/ ./dir_2/
# Results in: ./dir_2/dir_1/_files_

Copy only the contents (files) of dir_1 into directory dir_2:

cp -r ./dir_1/. ./dir_2
# or
cp -r ./dir_1/. ./dir_2/
# Results in: ./dir_2/_files_

_files_ is a placeholder for the actual files located in the directory.

Check this http://www.cyberciti.biz/faq/copy-folder-linux-command-line/ for more information on copying folder. Hope this helps.

cp Command

cp is a Linux command for copying files and directories. The syntax is as follows:

cp source destination
cp dir1 dir2
cp -option  source destination
cp -option1 -option2  source destination

In this example copy /home/vivek/letters folder and all its files to /usb/backup directory:

cp -avr /home/vivek/letters /usb/backup

Where,

-a : Preserve the specified attributes such as directory an file mode, ownership, timestamps, if possible additional attributes: context, links, xattr, all.

-v : Explain what is being done.

-r : Copy directories recursively. Example

Copy a folder called /tmp/conf to /tmp/backup:

$ cp -avr /tmp/conf/ /tmp/backup

I like this command

rsync -av --progress ~/code/project-source/. ~/code/project-destination --exclude .git --exclude node_modules

Some of the commonly used options in rsync command are listed below:

• -v, –verbose: Verbose output
• -q, –quiet: suppress message output
• -a, –archive: archive files and directory while synchronizing ( -an equal to following options -rlptgoD)
• -r, –recursive: sync files and directories recursively
• -b, –backup: take the backup during synchronization
• -u, –update: don’t copy the files from source to destination if destination files are newer
• -l, –links: copy symlinks as symlinks during the sync
• -n, –dry-run: perform a trial run without synchronization
• -e, –rsh=COMMAND: mention the remote shell to use in rsync
• -z, –compress: compress file data during the transfer
• -h, –human-readable: display the output numbers in a human-readable format
• –progress: show the sync progress during transfer

If there are two folders: (with write permission)

drwxr-xr-x 4 vimal vimal  4096 Sep  9 12:17 .
drwxr-xr-x 3 root  root   4096 Aug 18 14:35 ..
drwxrwxrwx 6 vimal vimal  4096 Sep  9 12:15 DATA
drwxrwxrwx 7 vimal vimal  4096 Sep  9 12:15 PORTAL

If you are inside the folder called PORTAL where you want to copy all content of another folder say DATA at the same level then you will do

vimal@vimal-D3H:/var/www/html/PORTAL$ cp -a ../DATA/. .

You have to notice 2 dots. Last dot says copy here in present folder

and

one following /DATA/. says that all the CONTENTS inside DATA folder to be copied, and not the DATA folder itself.

If you remove this trailing "." from /DATA/

then whole DATA folder will be copied inside PORTAL(from where you are coping).

This code with Flag "-R" copies perfectly all the contents of "folder1" to existing "folder2":

cp -R folder1/. folder2

Flag "-R" copies symbolic links as well but Flag "-r" skips symbolic links so Flag "-R" is better than Flag "-r".

• The latest GNU Grep 3.7:

-R, --dereference-recursive

For each directory operand, read and process all files in that directory, 
recursively, following all symbolic links.

-r, --recursive

For each directory operand, read and process all files in that directory, 
recursively. Follow symbolic links on the command line, but skip symlinks 
that are encountered recursively. Note that if no file operand is given, 
grep searches the working directory. This is the same as the 
‘--directories=recurse’ option.