mirror of
https://github.com/LCTT/TranslateProject.git
synced 2025-01-07 22:11:09 +08:00
134 lines
5.8 KiB
Markdown
134 lines
5.8 KiB
Markdown
(翻译中......)
|
||
gcp – Advanced Command Line File Copier Inspired By cp
|
||
================================================================================
|
||
A few weeks back, we discussed [advanced copy][1] (modified cp command that shows progress bar). A reader dropped in a comment pointing out another utility that also provides basic cp command functionality but along with some advanced features. So, in this article, lets discuss the very same command line utility — **gcp**.
|
||
|
||
### gcp – Advanced Command Line File Copier ###
|
||
|
||
gcp — as the manual suggests — is an advanced command line file copier that is inspired by the standard [cp command][2] but provides various advanced features like progress bar indicator, source lists, continuous copying even if there is a problematic file etc.
|
||
|
||
Here is a complete list of options :
|
||
|
||
|
||
|
||
### Testing Environment ###
|
||
|
||
- OS – Ubuntu 13.04
|
||
- Shell – Bash 4.2.45
|
||
- Application – gcp 0.1.3
|
||
|
||
### A Brief Tutorial ###
|
||
|
||
Here are some of the examples of gcp command :
|
||
|
||
**1. Transfer Progress Indicator**
|
||
|
||
The gcp command provides transfer progress indicator so that the user is aware of the current status of the copying process.
|
||
|
||
Here is an example :
|
||
|
||
|
||
|
||
So you can see that the gcp command provides details like complete file size, percentage of copy complete, transfer rate and time left for the copy operation to complete.
|
||
|
||
**2. Copy Directories Recursively Through -r Option**
|
||
|
||
To copy complete directories recursively, use -r option.
|
||
|
||
Here is an example :
|
||
|
||
|
||
|
||
So you can see that the gcp command shows the transfer indicator taking in account the complete size of the folder.
|
||
|
||
**3. Elaborate Error Descriptions**
|
||
|
||
In case of any error, the gcp command displays descriptive error messages pinning down the individual culprit file.
|
||
|
||
Here is an example :
|
||
|
||
|
||
|
||
So you can see that the gcp command provided a detailed error message related to the file **August Rush.avi** that was already present inside the destination folder. But an error did not disrupt the copy of other file(s).
|
||
|
||
**4. Get Detailed Output Through -v Option**
|
||
|
||
The verbose option -v can be used to keep track of all the details that the gcp command is up to.
|
||
|
||
Here is an example :
|
||
|
||
|
||
|
||
So you can see that extended details were provided in output when -v option was used.
|
||
|
||
**5. Create And Use Sources List**
|
||
|
||
One of the shining features of the gcp command is that it lets you create a list of source files that you can use later.
|
||
|
||
For example, I saved the list of source file in the following copy operation using the option **–sources-save**.
|
||
|
||
|
||
|
||
The list name in this case is **SOURCES_SAVE**. You can confirm the saved list through **–sources-list** option.
|
||
|
||
|
||
|
||
So you can see that a list named **SOURCES_SAVE** is saved.
|
||
|
||
Now, I deleted the files that I copied in the first step :
|
||
|
||
|
||
|
||
and repeated the first step again but without mentioning the source file names. The option **–sources-load** was use to load the source file names from the list **SOURCES_SAVE**.
|
||
|
||
|
||
|
||
So you can see that the gcp command picked up the source file names from the list **SOURCES_SAVE** and the copy process started normally.
|
||
|
||
Here are other options related to source file lists :
|
||
|
||
|
||
|
||
The gcp command provides various other useful options. For complete list of options, read the [man page of gcp][3].
|
||
|
||
### Download/Installation/Configuration ###
|
||
|
||
Here are some of the important links related to the gcp command :
|
||
|
||
- [Home Page][4]
|
||
- [Download Link][5]
|
||
- [Another useful gcp Tutorial][6]
|
||
|
||
You can alternatively download and install the gcp command through command line package managers like yum, apt-get etc. Ubuntu users can also use Ubuntu software centre to download and install this utility.
|
||
|
||
### Pros ###
|
||
|
||
- Status bar and source lists are the USP of this utility.
|
||
- Skips the problematic file(s) but the copy operation is not hampered.
|
||
- Usage is similar to that of the standard cp command.
|
||
|
||
### Cons ###
|
||
|
||
- While copying folders, it could be better if copy status of each file is displayed.
|
||
- Doesn’t come pre-installed in most of the Linux distributions.
|
||
|
||
### Conclusion ###
|
||
|
||
If you are fed up of waiting blindly while copying large files through standard cp command the gcp is a good alternative. System administrators will love the source list feature. It’s a must have utility.
|
||
|
||
**Have you ever used gcp or any other advanced cp-like command line utility? Share your experience with us.**
|
||
|
||
--------------------------------------------------------------------------------
|
||
|
||
via: http://mylinuxbook.com/gcp-advanced-command-line-file-copier-inspired-by-cp/
|
||
|
||
译者：[runningwater](https://github.com/runningwater) 校对：[校对者ID](https://github.com/校对者ID)
|
||
|
||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
|
||
|
||
[1]:http://mylinuxbook.com/advanced-copy-cp-command/
|
||
[2]:http://www.cyberciti.biz/faq/cp-copy-command-in-unix-examples/
|
||
[3]:http://manpages.ubuntu.com/manpages/precise/en/man1/gcp.1.html
|
||
[4]:http://wiki.goffi.org/wiki/Gcp/en
|
||
[5]:http://wiki.goffi.org/wiki/Gcp/en
|
||
[6]:http://www.hecticgeek.com/2012/03/gcp-command-line-file-copy-ubuntu-linux/ |